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Large area arrays of discrete single-molecule junctions derived from host-guest complexes. (2023)
Journal Article
Escorihuela, E., Del Barrio, J., Davidson, R. J., Beeby, A., Low, P. J., Prez-Murano, F., …Martin, S. (2024). Large area arrays of discrete single-molecule junctions derived from host-guest complexes. Nanoscale, 16(3), 1238-1246. https://doi.org/10.1039/d3nr05122f

The desire to continually reduce the lower limits of semiconductor integrated circuit (IC) fabrication methods continues to inspire interest in unimolecular electronics as a platform technology for the realization of future (opto)electronic devices.... Read More about Large area arrays of discrete single-molecule junctions derived from host-guest complexes..

Connectivity-Dependent Conductance of 2,2′-Bipyridine-Based Metal Complexes (2023)
Journal Article
Chelli, Y., Ferri, N., Vezzoli, A., Davidson, R. J., Morris, J., Nichols, R. J., …Beeby, A. (2023). Connectivity-Dependent Conductance of 2,2′-Bipyridine-Based Metal Complexes. ACS Omega, 8(51), 48958-48965. https://doi.org/10.1021/acsomega.3c06555

The present work provides an insight into the effect of connectivity isomerization of metal-2,2′-bipyridine complexes. For that purpose, two new 2,2′-bipyridine (bpy) ligand systems, 4,4′-bis­(4-(methylthio)­phenyl)-2,2′-bipyridine (Lmeta) and 5,5′-b... Read More about Connectivity-Dependent Conductance of 2,2′-Bipyridine-Based Metal Complexes.

Single-Molecule Conductance Behavior of Molecular Bundles (2023)
Journal Article
Bara-Estaún, A., Planje, I. J., Almughathawi, R., Naghibi, S., Vezzoli, A., Milan, D. C., …Beeby, A. (2023). Single-Molecule Conductance Behavior of Molecular Bundles. Inorganic Chemistry, 62(51), 20940-20947. https://doi.org/10.1021/acs.inorgchem.3c01943

Controlling the orientation of complex molecules in molecular junctions is crucial to their development into functional devices. To date, this has been achieved through the use of multipodal compounds (i.e., containing more than two anchoring groups)... Read More about Single-Molecule Conductance Behavior of Molecular Bundles.

The Pigments of British Medieval Illuminators: A Scientific and Cultural Study (2023)
Book
Gameson, R., Beeby, A., Fiorillo, F., Nicholson, C., Ricciardi, P., & Reynolds, S. (2023). R. Gameson (Ed.), The Pigments of British Medieval Illuminators: A Scientific and Cultural Study. London: Archetype

This comprehensive and richly illustrated volume is the first-ever history of British medieval illuminators’ pigments. It rests on first-hand investigation, with optimal scientific techniques, of a wide selection of manuscripts, ranging in date from... Read More about The Pigments of British Medieval Illuminators: A Scientific and Cultural Study.

Concerns over colour durability in the nineteenth-century industrial revolution: insights from John Ruskin’s teaching collection (2023)
Journal Article
Ghigo, T., Occhipinti, M., Beeby, A., Domoney, K., & Bone, D. (2023). Concerns over colour durability in the nineteenth-century industrial revolution: insights from John Ruskin’s teaching collection. Heritage Science, 11(1), Article 168. https://doi.org/10.1186/s40494-023-01010-6

The numerous new pigments that gradually became available to artists during the nineteenth-century Colour Revolution were received with contrasting attitudes. The initial enthusiasm for new chromatic possibilities was soon nuanced by concerns about t... Read More about Concerns over colour durability in the nineteenth-century industrial revolution: insights from John Ruskin’s teaching collection.

Single-Molecule Junction Formation in Deep Eutectic Solvents with Highly Effective Gate Coupling (2023)
Journal Article
Qiao, X., Vezzoli, A., Smith, S., Higgins, S. J., Davidson, R. J., Beeby, A., & Nichols, R. J. (2023). Single-Molecule Junction Formation in Deep Eutectic Solvents with Highly Effective Gate Coupling. Journal of Physical Chemistry C, 127(26), 12802-12810. https://doi.org/10.1021/acs.jpcc.3c03129

The environment surrounding a molecular junction affects its charge-transport properties and, therefore, must be chosen with care. In the case of measurements in liquid media, the solvent must provide good solvation, grant junction stability, and, in... Read More about Single-Molecule Junction Formation in Deep Eutectic Solvents with Highly Effective Gate Coupling.

Tuning Emission Lifetimes of Ir(C^N)2(acac) Complexes with Oligo(phenyleneethynylene) Groups (2023)
Journal Article
Davidson, R., Hsu, Y., Fox, M. A., Aguilar, J. A., Yufit, D., & Beeby, A. (2023). Tuning Emission Lifetimes of Ir(C^N)2(acac) Complexes with Oligo(phenyleneethynylene) Groups. Inorganic Chemistry, 62(6), 2793-2805. https://doi.org/10.1021/acs.inorgchem.2c03934

Emissive compounds with long emission lifetimes (μs to ms) in the visible region are of interest for a range of applications, from oxygen sensing to cellular imaging. The emission behavior of Ir(ppy)2(acac) complexes (where ppy is the 2-phenylpyridyl... Read More about Tuning Emission Lifetimes of Ir(C^N)2(acac) Complexes with Oligo(phenyleneethynylene) Groups.

Material Characterisation of William Burges’ Great Bookcase within the Disruption of a Global Pandemic (2022)
Journal Article
Ghigo, T., Bone, D., Howell, D., Domoney, K., Gironda, M., & Beeby, A. (2022). Material Characterisation of William Burges’ Great Bookcase within the Disruption of a Global Pandemic. Studies in Conservation, https://doi.org/10.1080/00393630.2022.2153463

This contribution presents the results of a technical investigation on the pigments of William Burges’ Great Bookcase (1859–62), preserved at the Ashmolean Museum. It is the first thorough material investigation of a remarkable piece of Gothic Reviva... Read More about Material Characterisation of William Burges’ Great Bookcase within the Disruption of a Global Pandemic.

Excited‐State Intramolecular Charge‐Transfer Dynamics in 4‐Dimethylamino‐4′‐cyanodiphenylacetylene: An Ultrafast Raman Loss Spectroscopic Perspective (2022)
Journal Article
Barak, A., Dhiman, N., Sturm, F., Rauch, F., Lakshmanna, Y. A., Findlay, K. S., …Umapathy, S. (2022). Excited‐State Intramolecular Charge‐Transfer Dynamics in 4‐Dimethylamino‐4′‐cyanodiphenylacetylene: An Ultrafast Raman Loss Spectroscopic Perspective. ChemPhotoChem, 6(12), Article e202200146. https://doi.org/10.1002/cptc.202200146

The D-π-A compound 4-dimethylamino-4′-cyanodiphenylacetylene (DACN-DPA) exhibits intramolecular charge transfer (ICT) upon photoexcitation. Ultrafast Raman Loss Spectroscopy (URLS) measurements show distinct spectral and temporal dynamics of C≡C and... Read More about Excited‐State Intramolecular Charge‐Transfer Dynamics in 4‐Dimethylamino‐4′‐cyanodiphenylacetylene: An Ultrafast Raman Loss Spectroscopic Perspective.

Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons (2022)
Journal Article
Edkins, R. M., Hsu, Y., Fox, M. A., Yufit, D., Beeby, A., & Davidson, R. J. (2022). Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons. Organometallics, https://doi.org/10.1021/acs.organomet.2c00292

Bis-heteroleptic cyclometalated iridium complexes of the form Ir(La)2(acac), where La is a substituted 2-phenylpyridine derivative and acac is an acetylacetonato ligand, are a useful class of luminescent organometallic complexes for a range of applic... Read More about Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons.

The Admiral, the Virgin, and the Spectrometer: Observations on the Coëtivy Hours (Dublin, Chester Beatty Library, W082) (2020)
Journal Article
Gameson, R., Nicholson, C., & Beeby, A. (2020). The Admiral, the Virgin, and the Spectrometer: Observations on the Coëtivy Hours (Dublin, Chester Beatty Library, W082). Gesta, 59(2), 203-231. https://doi.org/10.1086/710024

This article examines the nature and implications of the extensive Marian texts and imagery in the mid-fifteenth-century Parisian Coëtivy Hours (Dublin, Chester Beatty Library, MS W082), and reports the findings from scientific investigation of the i... Read More about The Admiral, the Virgin, and the Spectrometer: Observations on the Coëtivy Hours (Dublin, Chester Beatty Library, W082).

Enolization rates control mono- versus di-fluorination of 1,3-dicarbonyl derivatives (2019)
Journal Article
Rozatian, N., Beeby, A., Ashworth, I. W., Sandford, G., & Hodgson, D. R. (2019). Enolization rates control mono- versus di-fluorination of 1,3-dicarbonyl derivatives. Chemical Science, 10(44), 10318-10330. https://doi.org/10.1039/c9sc04185k

Fluorine-containing 1,3-dicarbonyl derivatives are essential building blocks for drug discovery and manufacture. To understand the factors that determine selectivity between mono- and di-fluorination of 1,3-dicarbonyls systems, we have performed kine... Read More about Enolization rates control mono- versus di-fluorination of 1,3-dicarbonyl derivatives.

Wide-field time-correlated single photon counting-based fluorescence lifetime imaging microscopy (2019)
Journal Article
Suhling, K., Hirvonen, L. M., Becker, W., Smietana, S., Netz, H., Milnes, J., …Beeby, A. (2019). Wide-field time-correlated single photon counting-based fluorescence lifetime imaging microscopy. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 942, Article 162365. https://doi.org/10.1016/j.nima.2019.162365

Wide-field time-correlated single photon counting detection techniques, where the position and the arrival time of the photons are recorded simultaneously using a camera, have made some advances recently. The technology and instrumentation used for t... Read More about Wide-field time-correlated single photon counting-based fluorescence lifetime imaging microscopy.

Highly Linearized Twisted Iridium(III) Complexes (2018)
Journal Article
Davidson, R., Hsu, Y., Griffiths, G. C., Li, C., Yufit, D., Pal, R., & Beeby, A. (2018). Highly Linearized Twisted Iridium(III) Complexes. Inorganic Chemistry, 57(22), 14450-14462. https://doi.org/10.1021/acs.inorgchem.8b02818

Sonogashira coupling with alkyne iridium(phenylpyridine)2(acetylacetone) synthons is used to produce highly linearized twisted iridium(III) complexes with lengths of up to 5 nm. These complexes were mechanically aligned in a polymer matrix, showing a... Read More about Highly Linearized Twisted Iridium(III) Complexes.

Conductance of ‘bare-bones’ tripodal molecular wires (2018)
Journal Article
Davidson, R. J., Milan, D. C., Al-Owaedi, O. A., Ismael, A. K., Nichols, R. J., Higgins, S. J., …Beeby, A. (2018). Conductance of ‘bare-bones’ tripodal molecular wires. RSC Advances, 8(42), 23585-23590. https://doi.org/10.1039/c8ra01257a

Controlling the orientation of molecular conductors on the electrode surfaces is a critical factor in the development of single-molecule conductors. In the current study, we used the scanning tunnelling microscopy-based break junction (STM-BJ) techni... Read More about Conductance of ‘bare-bones’ tripodal molecular wires.

Novel synthesis and properties of hydrogen-free detonation nanodiamond (2018)
Journal Article
Batsanov, S. S., Osavchuk, A. N., Naumov, S. P., Gavrilkin, S. M., Leskov, A. S., Mendis, B. G., …Batsanov, A. S. (2018). Novel synthesis and properties of hydrogen-free detonation nanodiamond. Materials Chemistry and Physics: Including Materials Science Communications, 216, 120-129. https://doi.org/10.1016/j.matchemphys.2018.05.072

Practically hydrogen-free nanodiamond (HFND), a prospective neutron-optical material, was prepared (in up to 3% yield) by detonating pure or graphite-doped RDX in an ice shell and comprehensively characterized by elemental analysis, X-ray diffraction... Read More about Novel synthesis and properties of hydrogen-free detonation nanodiamond.

There’s More to Reflectance Spectroscopy Than Lux (2018)
Journal Article
Beeby, A., Garner, L., Howell, D., & Nicholson, C. E. (2018). There’s More to Reflectance Spectroscopy Than Lux. Journal of the Institute of Conservation, 41(2), 142-153. https://doi.org/10.1080/19455224.2018.1463920

Fibre-optic reflectance spectroscopy is widely used as a tool for the analysis of coloured materials such as pigments and paints. We describe a new design for a FORS probe which is held some 5cm away from the sample surface and interrogates a spot of... Read More about There’s More to Reflectance Spectroscopy Than Lux.

Raman spectroscopic library of medieval pigments collected with five different wavelengths for investigation of illuminated manuscripts (2018)
Journal Article
Marucci, G., Beeby, A., Parker, A., & Nicholson, C. (2018). Raman spectroscopic library of medieval pigments collected with five different wavelengths for investigation of illuminated manuscripts. Analytical Methods, 10(10), 1219-1236. https://doi.org/10.1039/c8ay00016f

Raman spectroscopy is widely applied in the cultural heritage field to perform non-destructive measurements in situ, in order to identify materials, specifically pigments. The spectra collected can be challenging to interpret because certain source l... Read More about Raman spectroscopic library of medieval pigments collected with five different wavelengths for investigation of illuminated manuscripts.

Sky-blue emitting bridged diiridium complexes: beneficial effects of intramolecular π–π stacking (2018)
Journal Article
Congrave, D. G., Hsu, Y., Batsanov, A. S., Beeby, A., & Bryce, M. R. (2018). Sky-blue emitting bridged diiridium complexes: beneficial effects of intramolecular π–π stacking. Dalton Transactions, 47(6), 2086-2098. https://doi.org/10.1039/c7dt04201a

The potential of intramolecular π–π interactions to influence the photophysical properties of diiridium complexes is an unexplored topic, and provides the motivation for the present study. A series of diarylhydrazide-bridged diiridium complexes funct... Read More about Sky-blue emitting bridged diiridium complexes: beneficial effects of intramolecular π–π stacking.

Assembly of High-Potency Photosensitizer–Antibody Conjugates through Application of Dendron Multiplier Technology (2017)
Journal Article
Bryden, F., Maruani, A., Rodrigues, J. M., Cheng, M. H., Savoie, H., Beeby, A., …Boyle, R. W. (2018). Assembly of High-Potency Photosensitizer–Antibody Conjugates through Application of Dendron Multiplier Technology. Bioconjugate Chemistry, 29(1), 176-181. https://doi.org/10.1021/acs.bioconjchem.7b00678

Exploitation of photosensitizers as payloads for antibody-based anticancer therapeutics offers a novel alternative to the small pool of commonly utilized cytotoxins. However, existing bioconjugation methodologies are incompatible with the requirement... Read More about Assembly of High-Potency Photosensitizer–Antibody Conjugates through Application of Dendron Multiplier Technology.

Identifying eighteenth century pigments at the Bodleian library using in situ Raman spectroscopy, XRF and hyperspectral imaging (2017)
Journal Article
Mulholland, R., Howell, D., Beeby, A., Nicholson, C., & Domoney, K. (2017). Identifying eighteenth century pigments at the Bodleian library using in situ Raman spectroscopy, XRF and hyperspectral imaging. Heritage Science, 5(1), Article 43. https://doi.org/10.1186/s40494-017-0157-y

There are multiple challenges in analysing pigments in historic watercolour paintings on paper, and typically non-invasive, in situ methods are required. Recent developments in portable analytical instrumentation have made this more accessible to her... Read More about Identifying eighteenth century pigments at the Bodleian library using in situ Raman spectroscopy, XRF and hyperspectral imaging.

Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes (2017)
Journal Article
Davidson, R., Hsu, Y., Bhagani, C., Yufit, D., & Beeby, A. (2017). Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes. Organometallics, 36(15), 2727-2735. https://doi.org/10.1021/acs.organomet.7b00179

A simple and versatile route for modifying picolinate ligands coordinated to iridium is described. Reacting a μ-chloro iridium(C∧N) dimer (where C∧N is a phenylpyridine-based ligand) with bromopicolinic acid (HpicBr) yields the corresponding iridium(... Read More about Exploring the Chemistry and Photophysics of Substituted Picolinates Positional Isomers in Iridium(III) Bisphenylpyridine Complexes.

Understanding Ultrafast Dynamics of Conformation Specific Photo-Excitation: A Femtosecond Transient Absorption and Ultrafast Raman Loss Study (2017)
Journal Article
Roy, K., Kayal, S., Kumar, V. R., Beeby, A., Ariese, F., & Umapathy, S. (2017). Understanding Ultrafast Dynamics of Conformation Specific Photo-Excitation: A Femtosecond Transient Absorption and Ultrafast Raman Loss Study. The Journal of Physical Chemistry A, 121(35), 6538-6546. https://doi.org/10.1021/acs.jpca.7b03893

Excited state ultrafast conformational reorganization is recognized as an important phenomenon that facilitates light-induced functions of many molecular systems. This report describes the femtosecond and picosecond conformational relaxation dynamics... Read More about Understanding Ultrafast Dynamics of Conformation Specific Photo-Excitation: A Femtosecond Transient Absorption and Ultrafast Raman Loss Study.

Triphenylide-Based Molecular Solid—A New Candidate for a Quantum Spin-Liquid Compound (2017)
Journal Article
Štefančič, A., Klupp, G., Knaflič, T., Yufit, D. S., Tavčar, G., Potočnik, A., …Arčon, D. (2017). Triphenylide-Based Molecular Solid—A New Candidate for a Quantum Spin-Liquid Compound. Journal of Physical Chemistry C, 121(27), 14864-14871. https://doi.org/10.1021/acs.jpcc.7b02763

The reduction of polycyclic aromatic hydrocarbons with alkali metals results in solids having intriguing magnetic properties the understanding of which has been hitherto severely hampered by the lack of single-phase samples. Here, we report on the su... Read More about Triphenylide-Based Molecular Solid—A New Candidate for a Quantum Spin-Liquid Compound.

New light on old illuminations (2017)
Journal Article
Beeby, A., Gameson, R., & Nicholson, C. (2018). New light on old illuminations. Archives and Records, 39(2), 244-256. https://doi.org/10.1080/23257962.2017.1325729

This article describes a unique suite of mobile equipment designed for non-invasive, non-destructive identification of the inks and pigments in medieval manuscripts. It explains the circumstances which led to the development of the equipment, outline... Read More about New light on old illuminations.

Mode specific excited state dynamics study of bis(phenylethynyl)benzene from ultrafast Raman loss spectroscopy (2017)
Journal Article
Roy, K., Kayal, S., Ariese, F., Beeby, A., & Umapathy, S. (2017). Mode specific excited state dynamics study of bis(phenylethynyl)benzene from ultrafast Raman loss spectroscopy. The Journal of Chemical Physics, 146(6), Article 064303. https://doi.org/10.1063/1.4975174

Femtosecond transient absorption (fs-TA) and Ultrafast Raman Loss Spectroscopy (URLS) have been applied to reveal the excited state dynamics of bis(phenylethynyl)benzene (BPEB), a model system for one-dimensional molecular wires that have numerous ap... Read More about Mode specific excited state dynamics study of bis(phenylethynyl)benzene from ultrafast Raman loss spectroscopy.

Electrochemically grafted single molecule junctions exploiting a chemical protection strategy (2016)
Journal Article
Liang, J., Smith, R. E., Vezzoli, A., Xie, L., Milan, D. C., Davidson, R., …Nichols, R. J. (2016). Electrochemically grafted single molecule junctions exploiting a chemical protection strategy. Electrochimica Acta, 220, 436-443. https://doi.org/10.1016/j.electacta.2016.10.095

Diazonium grafted oligo(phenylene ethynylene) (OPE) monolayers suitable for single molecule conductance studies have been prepared. The surface-bound OPE is prepared from the amino tolan, 4-(2-(4-(2-(triisopropylsilyl)ethynyl)phenyl)ethynyl)benzamine... Read More about Electrochemically grafted single molecule junctions exploiting a chemical protection strategy.

Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report) (2016)
Journal Article
Ishida, H., Bünzli, J., & Beeby, A. (2016). Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report). Pure and Applied Chemistry, 88(7), 701-711. https://doi.org/10.1515/pac-2014-0706

Guidelines for measuring the luminescence of inorganic compounds, metal complexes, and organometallic compounds are described. Common textbooks and manuals describing luminescence measurements are usually targeted for organic compounds, and are not a... Read More about Guidelines for measurement of luminescence spectra and quantum yields of inorganic and organometallic compounds in solution and solid state (IUPAC Technical Report).

Illuminators' Pigments in Lancastrian England (2016)
Journal Article
Beeby, A., Gameson, R., & Nicholson, C. (2016). Illuminators' Pigments in Lancastrian England. Manuscripta, 60(2), 143-164. https://doi.org/10.1484/j.mss.5.111916

The pigments used in four high-status, datable, late medieval English manuscripts are identified by scientific methods. The palette and painting techniques of the illuminators responsible are studied individually then comparatively.

The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes (2016)
Journal Article
Davidson, R., Hsu, Y., Batchelor, T., Yufit, D., & Beeby, A. (2016). The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes. Dalton Transactions, 45(28), 11496-11507. https://doi.org/10.1039/c6dt01461e

A versatile palladium-free route for the synthesis of 4-aryl-substituted phenylpyridines (ppy), starting from tert-butyl 4-oxopiperidine-1-carboxylate, is reported. Reaction with an aryllithium, followed by trifluoroacetic acid dehydration/deprotecti... Read More about The use of organolithium reagents for the synthesis of 4-aryl-2-phenylpyridines and their corresponding iridium(III)complexes.

Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes (2016)
Journal Article
Zhang, W., Gan, S., Vezzoli, A., Davidson, R., Milan, D., Luzyanin, K., …Niu, L. (2016). Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes. ACS Nano, 10(5), 5212-5220. https://doi.org/10.1021/acsnano.6b00786

The local molecular environment is a critical factor which should be taken into account when measuring single-molecule electrical properties in condensed media or in the design of future molecular electronic or single molecule sensing devices. Supram... Read More about Single-Molecule Conductance of Viologen–Cucurbit[8]uril Host–Guest Complexes.

Anisotropic lanthanide-based nano-clusters for imaging applications (2016)
Journal Article
Yang, X., Wang, S., King, T. L., Kerr, C. J., Blanchet, C., Svergun, D., …Huang, S. (2016). Anisotropic lanthanide-based nano-clusters for imaging applications. Faraday Discussions, 191, 465-479. https://doi.org/10.1039/c6fd00018e

We have developed a new class of lanthanide nano-clusters that self-assemble using flexible Schiff base ligands. Cd–Ln and Ni–Ln clusters, [Ln8Cd24(L1)12(OAc)39Cl7(OH)2] (Ln = Nd, Eu), [Eu8Cd24(L1)12(OAc)44], [Ln8Cd24(L2)12(OAc)44] (Ln = Nd, Yb, Sm)... Read More about Anisotropic lanthanide-based nano-clusters for imaging applications.

Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations (2015)
Journal Article
Gluyas, J., Manici, V., Gückel, S., Vincent, K., Yufit, D., Howard, J., …Low, P. (2015). Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations. Journal of Organic Chemistry, 80(22), 11501-11512. https://doi.org/10.1021/acs.joc.5b02240

A series of cross-conjugated compounds based on an (E)-4,4′-(hexa-3-en-1,5-diyne-3,4-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) skeleton (1–6) have been synthesized. The linear optical absorption properties can be tuned by modification of the substitu... Read More about Cross-Conjugated Systems Based On An (E)-Hexa-3-en-1,5-diyne-3,4-diyl Skeleton: Spectroscopic and Spectroelectrochemical Investigations.

Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles (2015)
Journal Article
Lavado, A., Chauhan, V., Zen, A., Giuntini, F., Jones, D., Boyle, R., …Aylott, J. (2015). Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles. Nanoscale, 7(34), 14525-14531. https://doi.org/10.1039/c5nr00795j

Nanoparticles capable of generating controlled amounts of intracellular reactive oxygen species (ROS), that advance the study of oxidative stress and cellular communication, were synthesized by functionalizing polyacrylamide nanoparticles with zinc(I... Read More about Controlled intracellular generation of reactive oxygen species in human mesenchymal stem cells using porphyrin conjugated nanoparticles.

Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes (2015)
Journal Article
Davidson, R., Liang, J., Milan, D., Mao, B., Nichols, R., Higgins, S., …Low, P. (2015). Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes. Inorganic Chemistry, 54(11), 5487-5494. https://doi.org/10.1021/acs.inorgchem.5b00507

The ligands 4′-(4-(methylthio)phenyl)-2,2′:6′,2″-terpyridine (L1), 4′-((4-(methylthio)phenyl)ethynyl)- 2,2′:6′,2″-terpyridine (L2), and bis(tridentate) bridging ligand 2,3,5,6-tetra(pyridine-2-yl)pyrazine (tpp) were used to prepare the complexes [Ru(... Read More about Synthesis, Electrochemistry, and Single-Molecule Conductance of Bimetallic 2,3,5,6-Tetra(pyridine-2-yl)pyrazine-Based Complexes.

Applying green chemistry to the photochemical route to artemisinin (2015)
Journal Article
Amara, Z., Bellamy, J., Horvath, R., Miller, S., Beeby, A., Burgard, A., …George, M. (2015). Applying green chemistry to the photochemical route to artemisinin. Nature Chemistry, 7(6), 489-495. https://doi.org/10.1038/nchem.2261

Artemisinin is an important antimalarial drug, but, at present, the environmental and economic costs of its semi-synthetic production are relatively high. Most of these costs lie in the final chemical steps, which follow a complex acid- and photo-cat... Read More about Applying green chemistry to the photochemical route to artemisinin.

Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+) (2015)
Journal Article
Davidson, R., Wilson, L., Duckworth, A., Yufit, D., Beeby, A., & Low, P. (2015). Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+). Dalton Transactions, 44(25), 11368-11379. https://doi.org/10.1039/c5dt01278c

The ethynyl-phenylene substituted 2,2′:6′,2′′-terpyridine (tpy) derivatives, 4-(phenyl-ethynyl)-2,2′:6′,2′′-terpyridine (L1), 4-(methoxyphenyl-ethynyl)-2,2′:6′,2′′-terpyridine (L2), 4-(tolyl-ethynyl)-2,2′:6′,2′′-terpyridine (L3) and 4-(nitrophenyl-et... Read More about Alkyne substituted mononuclear photocatalysts based on [RuCl(bpy)(tpy)](+).

Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging (2015)
Journal Article
Stasiuk, G. J., Minuzzi, F., Sae-Heng, M., Rivas, C., Juretschke, H., Piemonti, L., …Long, N. J. (2015). Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging. Chemistry - A European Journal, 21(13), 5023-5033. https://doi.org/10.1002/chem.201406008

Despite the contribution of changes in pancreatic β-cell mass to the development of all forms of diabetes mellitus, few robust approaches currently exist to monitor these changes prospectively in vivo. Although magnetic-resonance imaging (MRI) provid... Read More about Dual-Modal Magnetic Resonance/Fluorescent Zinc Probes for Pancreatic β-Cell Mass Imaging.

Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay (2015)
Journal Article
Hirvonen, L. M., Petrášek, Z., Beeby, A., & Suhling, K. (2015). Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay. New Journal of Physics, 17(2), https://doi.org/10.1088/1367-2630/17/2/023032

Fast frame rate complementary metal–oxide–semiconductor cameras in combination with photon counting image intensifiers can be used for microsecond resolution wide-field fluorescence lifetime imaging with single photon sensitivity, but the time resolu... Read More about Sub-μs time resolution in wide-field time-correlated single photon counting microscopy obtained from the photon event phosphor decay.

Pigments of the Earliest Northumbrian Manuscripts (2015)
Journal Article
Gameson, R., Beeby, A., Duckworth, A., & Nicholson, C. (2015). Pigments of the Earliest Northumbrian Manuscripts. Scriptorium (Gent), 69, 33-59

This article reports the findings of a campaign of non-destructive pigment analysis on a group of seventh- and eighth-century Northumbrian manuscripts, including the Durham Gospels. Integrating this critical mass of new information with the previousl... Read More about Pigments of the Earliest Northumbrian Manuscripts.

Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs (2014)
Journal Article
De Ornellas, S., Slattery, J., Edkins, R., Beeby, A., Baumann, C., & Fairlam, I. (2015). Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs. Organic and Biomolecular Chemistry, 13(1), 68-72. https://doi.org/10.1039/c4ob02081b

C-modified 7-deazaadenosines containing a diphenylacetylene moiety have been synthesised using cross-coupling approaches. The C-modified nucleosides exhibit remarkable fluorescence properties, including high quantum yields. Solvatochromic studies sho... Read More about Design and synthesis of fluorescent 7-deazaadenosine nucleosides containing pi-extended diarylacetylene motifs.

Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption (2014)
Journal Article
Ji, L., Edkins, R., Sewell, L., Beeby, A., Batsanov, A., Fucke, K., …Marder, T. (2014). Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption. Chemistry - A European Journal, 20(42), 13618-13635. https://doi.org/10.1002/chem.201402273

Quadrupolar oligothiophene chromophores composed of four to five thiophene rings with two terminal (E)-dimesitylborylvinyl groups (4 V–5 V), and five thiophene rings with two terminal aryldimesitylboryl groups (5 B), as well as an analogue of 5 V wit... Read More about Experimental and Theoretical Studies of Quadrupolar Oligothiophene-Cored Chromophores Containing Dimesitylboryl Moieties as π-Accepting End-Groups: Syntheses, Structures, Fluorescence, and One- and Two-Photon Absorption.

Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical (2014)
Journal Article
Edkins, R., Probert, M., Robertson, C., Howard, J., Beeby, A., & Robertson, C. (2014). Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical. RSC Advances, 4(11), 5351-5356. https://doi.org/10.1039/c3ra43892a

The structure of an unusual dimerisation mode of a triphenylimidazolyl radical has been elucidated, revealing a relatively long C–C bond. The diffraction-quality single crystals were produced under continuous irradiation by photocrystallisation in an... Read More about Photocrystallisation of the 2C-2'C dimer of a triphenylimidazolyl radical.

Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives (2011)
Journal Article
Crawford, A., Dwyer, A., Liu, Z., Steffen, A., Beeby, A., Pålsson, L., …Marder, T. (2011). Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives. Journal of the American Chemical Society, 133(34), 13349-13362. https://doi.org/10.1021/ja2006862

Pyrene derivatives substituted at the 2- and 2,7-positions are shown to display a set of photophysical properties different from those of derivatives substituted at the 1-position. It was found that, in the 2- and 2,7-derivatives, there was little in... Read More about Experimental and Theoretical Studies of the Photophysical Properties of 2- and 2,7-Functionalized Pyrene Derivatives.

3-Hydroxypyridin-2-one Complexes of Near-Infrared (NIR) Emitting Lanthanides: Sensitization of Holmium(III) and Praseodymium(III) in Aqueous Solution (2008)
Journal Article
Moore, E., Szigethy, G., Xu, J., Pålsson, L., Beeby, A., & Raymond, K. (2008). 3-Hydroxypyridin-2-one Complexes of Near-Infrared (NIR) Emitting Lanthanides: Sensitization of Holmium(III) and Praseodymium(III) in Aqueous Solution. Angewandte Chemie International Edition, 47(49), 9500-9503. https://doi.org/10.1002/anie.200802337

Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions (2007)
Journal Article
Beeby, A., Findlay, K., Goeta, A., Porres, L., Rutter, S., & Thompson, A. (2007). Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions. Photochemical & Photobiological Sciences, 6(9), 982-986. https://doi.org/10.1039/b707750e

A series of 9,10-bis(phenylethynyl)anthracenes decorated with sterically demanding tert-butyl substituents have been prepared and spectroscopically characterised. We demonstrate that the introduction of two bulky substituents in the ortho position of... Read More about Engineering a Twist in 9,10-Diethynylanthracenes by Steric Interactions.

Cavity ring-down spectroscopy of the torsional motions of 1,4-bis(phenylethynyl)benzene (2006)
Journal Article
Greaves, S., Flynn, E., Futcher, E., Wrede, E., Lydon, D., Low, P., …Beeby, A. (2006). Cavity ring-down spectroscopy of the torsional motions of 1,4-bis(phenylethynyl)benzene. The Journal of Physical Chemistry A, 110(6), 2114-2121. https://doi.org/10.1021/jp054426h

The torsional motions of jet-cooled 1,4-bis(phenylethynyl)benzene (BPEB), a prototype molecular wire, were studied using cavity ring-down spectroscopy in the first UV absorption band (316-321 nm). The torsional spectrum of 1,4-bis(phenylethynyl)-2,3,... Read More about Cavity ring-down spectroscopy of the torsional motions of 1,4-bis(phenylethynyl)benzene.

Synthesis of new axially-disubstituted silicon-phthalocyanine derivatives : optical and structural characterisation. (2006)
Journal Article
Barker, C., Findlay, K., Bettington, S., Batsanov, A., Perepichka, I., Bryce, M., & Beeby, A. (2006). Synthesis of new axially-disubstituted silicon-phthalocyanine derivatives : optical and structural characterisation. Tetrahedron, 62(40), 9433-9439. https://doi.org/10.1016/j.tet.2006.07.046

This paper describes the synthesis of a range of new axially-disubstituted silicon-phthalocyanines with several ester and ether derivatives as axial ligands, including phenyl, terphenyl, thienyl and pyrenyl systems. Their absorption and emission spec... Read More about Synthesis of new axially-disubstituted silicon-phthalocyanine derivatives : optical and structural characterisation..

Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K (2006)
Journal Article
Batsanov, A., Collings, J., Ward, R., Goeta, A., Porres, L., Beeby, A., …Marder, T. (2006). Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K. CrystEngComm, 8, 622-628. https://doi.org/10.1039/b606327f

The crystal and molecular structures of 4-ethynyl-N,N-dimethylaniline (1), and 4-(trimethylsilylethynyl)-N,N-dimethylaniline (2), have been obtained from X-ray diffraction data. Crystals of 1 exhibit a phase transition at 122.5 ± 2 K. Both polymorphs... Read More about Crystal engineering with ethynylbenzenes Part 2. Structures of 4-trimethylsilylethynyl-N,N-dimethylaniline, and 4-ethynyl-N,N-dimethylaniline with Z '=12 and a single-crystal to single-crystal phase transition at 122.5 +/- 2 K.

Synthesis of new mer,trans-rhodium(III) hydrido-bis(acetylide) complexes: Structure of mer,trans- (PMe3)(3)Rh(C equivalent to C-C6H4-4-NMe2)(2)H (2006)
Journal Article
Zhu, X., Ward, R., Albesa-Jove, D., Howard, J., Porres, L., Beeby, A., …Marder, T. (2006). Synthesis of new mer,trans-rhodium(III) hydrido-bis(acetylide) complexes: Structure of mer,trans- (PMe3)(3)Rh(C equivalent to C-C6H4-4-NMe2)(2)H. Inorganica Chimica Acta, 359(9), 2859-2863. https://doi.org/10.1016/j.ica.2005.11.030

Terminal alkynes (R–Ctriple bond; length of mdashC–H, R = 1-naphthyl, 9-anthryl, 4-Me2N–C6H4–, or the longer analogue, 4-(4-Me2N–C6H4–Ctriple bond; length of mdashC–)–C6H4–) react with [Rh(PMe3)4Me] at ambient temperature, with loss of methane and on... Read More about Synthesis of new mer,trans-rhodium(III) hydrido-bis(acetylide) complexes: Structure of mer,trans- (PMe3)(3)Rh(C equivalent to C-C6H4-4-NMe2)(2)H.

The use of substituted iridium complexes in doped polymer electrophosphorescent devices : The influence of triplet transfer and other factors on enhancing device performance. (2006)
Journal Article
King, S., Al-Attar, H., Evans, R., Congreve, A., Beeby, A., & Monkman, A. (2006). The use of substituted iridium complexes in doped polymer electrophosphorescent devices : The influence of triplet transfer and other factors on enhancing device performance. Advanced Functional Materials, 16(8), 1043-1050. https://doi.org/10.1002/adfm.200500881

The problem of phosphorescence quenching by the host polymer of a dopant in a polyfluorene-based electrophosphorescent device has been extensively studied. This paper concentrates on reduction of the rate of triplet-energy transfer from the dopant to... Read More about The use of substituted iridium complexes in doped polymer electrophosphorescent devices : The influence of triplet transfer and other factors on enhancing device performance..

Metal cluster terminated "molecular wires" (2006)
Journal Article
Khairul, W., Porres, L., Albesa-Jove, D., Senn, M., Jones, M., Lydon, D., …Low, P. (2006). Metal cluster terminated "molecular wires". Journal of Cluster Science, 17(1), 65-85. https://doi.org/10.1007/s10876-005-0041-x

The gold complexes Au(C≡CC6H4C≡CC6H4Me)(PPh3) (3) and {Au(PPh3)}2(μ-C≡CC6H4C≡CC6H4C≡CC6H4C≡C) (6), prepared from the reaction of AuCl(PPh3) with the corresponding terminal or trimethylsilyl protected alkynes, react readily with Ru3(CO)10(μ-dppm) to a... Read More about Metal cluster terminated "molecular wires".

Guest-host interactions between dichroic dyes and anisotropic hosts. (2006)
Journal Article
Palsson, L., Vaughan, H., Smith, A., Szablewski, M., Cross, G., Roberts, T., …Bloor, D. (2006). Guest-host interactions between dichroic dyes and anisotropic hosts. Journal of Luminescence, 117(1), 113-122. https://doi.org/10.1016/j.jlumin.2005.03.017

The guest–host interaction between dichroic dyes and anistropic hosts has been investigated by means of optical spectroscopy. Two different TCNQ adducts; 2-{4-[(2,6-dimethylmorpholin-4-yl)(4-metylpiperidin-1-yl)methylene]cyclohexa-2,5-dien-1-ylidene}... Read More about Guest-host interactions between dichroic dyes and anisotropic hosts..

Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere (2006)
Journal Article
Porrès, L., Holland, A., -O. Pålsson, L., Monkman, A., Kemp, C., & Beeby, A. (2006). Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere. Journal of Fluorescence, 16(2), 267-273. https://doi.org/10.1007/s10895-005-0054-8

We demonstrate that absolute measurements of the photoluminescence quantum yield of solutions can be made using an integrating sphere and a conventional fluorimeter. With this method the need for measurements against a luminescence standard is overco... Read More about Absolute measurements of photoluminescence quantum yields of solutions using an integrating sphere.

Resorcin 4 arene cavitand-based molecular switches (2006)
Journal Article
Azov, V., Beeby, A., Cacciarini, M., Cheetham, A., Diederich, F., Frei, M., …Yamakoshi, Y. (2006). Resorcin 4 arene cavitand-based molecular switches. Advanced Functional Materials, 16(2), 147-156. https://doi.org/10.1002/adfm.200500181

Resorcin[4]arene cavitands with four quinoxaline bridges are a family of macrocycles that adopt, at elevated temperature, a contracted, vase-type conformation, capable of guest inclusion, whereas at low temperature they switch to an expanded, kite-ty... Read More about Resorcin 4 arene cavitand-based molecular switches.

2,5-di(aryleneethynyl)pyrazine derivatives: synthesis, structural and optoelectronic properties, and light-emitting device (2004)
Journal Article
Zhao, L., Perepichka, I., Turksoy, F., Batsanov, A., Beeby, A., Findlay, K., & Bryce, M. (2004). 2,5-di(aryleneethynyl)pyrazine derivatives: synthesis, structural and optoelectronic properties, and light-emitting device. New Journal of Chemistry, 28(8), 912-918

A series of 2,5-di(aryleneethynyl) pyrazine derivatives has been synthesised in 23-41% yields by two-fold reaction of 2,5-dibromo-3,6-dimethylpyrazine 3 with ethynylarenes (arene=phenyl, 2-pyridyl, 4-ethylphenyl, 4-chlorophenyl, 4-biphenyl) under sta... Read More about 2,5-di(aryleneethynyl)pyrazine derivatives: synthesis, structural and optoelectronic properties, and light-emitting device.

Structural studies of light-induced excited states (2004)
Journal Article
Thompson, A., Beeby, A., & Goeta, A. (2004). Structural studies of light-induced excited states. Journal of Applied Crystallography, 37(4), 652-653. https://doi.org/10.1107/s002188980401060x

Over the past few years there has been a marked increase in the number of structural studies carried out on light-induced excited states. Until now, however, there has been no systematic approach to the irradiation of samples, which can make data col... Read More about Structural studies of light-induced excited states.

Tuning the emission of cyclometalated iridium complexes by simple ligand modification (2003)
Journal Article
Beeby, A., Bettington, S., Samuel, I., & Wang, Z. (2003). Tuning the emission of cyclometalated iridium complexes by simple ligand modification. Journal of materials chemistry, 13(1), 80-83. https://doi.org/10.1039/b207502d

The photo-excitation and relaxation of a new cyclometalated complex, Ir(ppy)(2)fppy, is investigated through the measurement of absorption and photoluminescence spectra. Comparison of Ir(ppy)(2)fppy with Ir(ppy)(3) reveals that the lowest energy exci... Read More about Tuning the emission of cyclometalated iridium complexes by simple ligand modification.

Studies of the S₁ state in a prototypical molecular wire using picosecond time-resolved spectroscopies (2003)
Journal Article
Beeby, A., Findlay, K., Low, P., Marder, T., Matousek, P., Parker, A., …Towrie, M. (2003). Studies of the S₁ state in a prototypical molecular wire using picosecond time-resolved spectroscopies. Chemical Communications, 2406-2407. https://doi.org/10.1039/b307005k

Picosecond time-resolved resonance Raman spectroscopy, TR3, reveals an intense acetylenic band in the S1 state of the prototypical molecular wire 1,4-bis(phenylethynyl)benzene.

Synthesis of novel phthalocyanine-tetrathiafulvalene hybrids; Intramolecular fluorescence quenching related to molecular geometry (2002)
Journal Article
Farren, C., Christensen, C., FitzGerald, S., Bryce, M., & Beeby, A. (2002). Synthesis of novel phthalocyanine-tetrathiafulvalene hybrids; Intramolecular fluorescence quenching related to molecular geometry. Journal of Organic Chemistry, 67(26), 9130-9139

A number of silicon phthalocyanine bis-esters have been synthesized and characterized, with axial ligands containing one or more tetrathiafulvalene groups. Variations in the substitution positions around a central aromatic "hinge" within the ligands... Read More about Synthesis of novel phthalocyanine-tetrathiafulvalene hybrids; Intramolecular fluorescence quenching related to molecular geometry.

The first genuine observation of fluorescent mononuclear phthalocyanine aggregates (2002)
Journal Article
Farren, C., FitzGerald, S., Beeby, A., & Bryce, M. (2002). The first genuine observation of fluorescent mononuclear phthalocyanine aggregates. Chemical Communications, 572-573

An initial photophysical study of a tetra-solketal-substituted zinc phthalocyanine is reported; at low temperature this compound exhibits very strong aggregation, and a new red shifted emission peak is observed, lambda(max) approximate to750 nm, attr... Read More about The first genuine observation of fluorescent mononuclear phthalocyanine aggregates.

Structural, luminescence, and NMR studies of the reversible binding of acetate, lactate, citrate, and selected amino acids to chiral diaqua ytterbium, gadolinium, and europium complexes (2002)
Journal Article
Dickins, R., Aime, S., Batsanov, A., Beeby, A., Botta, M., Bruce, J., …Puschmann, H. (2002). Structural, luminescence, and NMR studies of the reversible binding of acetate, lactate, citrate, and selected amino acids to chiral diaqua ytterbium, gadolinium, and europium complexes. Journal of the American Chemical Society, 124(43), 12697-12705. https://doi.org/10.1021/ja020836x

The nature of the ternary complexes formed in aqueous media at ambient pH on reversible binding of acetate, lactate, citrate, and selected amino acids and peptides to chiral diaqua europium, gadolinium, or ytterbium cationic complexes has been examin... Read More about Structural, luminescence, and NMR studies of the reversible binding of acetate, lactate, citrate, and selected amino acids to chiral diaqua ytterbium, gadolinium, and europium complexes.

Fluorescent phthalocyanine dimers - a steady state and flash photolysis study (2002)
Journal Article
FitzGerald, S., Farren, C., Stanley, C., Beeby, A., & Bryce, M. (2002). Fluorescent phthalocyanine dimers - a steady state and flash photolysis study. Photochemical & Photobiological Sciences, 1(8), 581-587

Steady state and time resolved studies of a tetrakis[(+/-)-2,2-dimethyl-1,3-dioxan-4-ylmethanol] (solketal) substituted zinc phthalocyanine (1) and its derivatives (4a-c) are reported. These compounds form novel fluorescent dimers (or higher order ag... Read More about Fluorescent phthalocyanine dimers - a steady state and flash photolysis study.

A re-evaluation of the photophysical properties of 1,4-bis(phenylethynyl)benzene: A model for poly(phenyleneethynylene) (2002)
Journal Article
Beeby, A., Findlay, K., Low, P., & Marder, T. (2002). A re-evaluation of the photophysical properties of 1,4-bis(phenylethynyl)benzene: A model for poly(phenyleneethynylene). Journal of the American Chemical Society, 124(28), 8280-8284. https://doi.org/10.1021/ja025568h

Photophysical measurements, recorded in aerated cyclohexane at 283 K, indicate that 1,4-bis-(phenylethynyl) benzene behaves in a conventional manner, undergoing emission from the lowest vibrational level of the first excited singlet state; there is n... Read More about A re-evaluation of the photophysical properties of 1,4-bis(phenylethynyl)benzene: A model for poly(phenyleneethynylene).

Synthesis, structure and optical characterisation of silicon phthalocyanine bis-esters (2002)
Journal Article
Farren, C., FitzGerald, S., Bryce, M., Beeby, A., & Batsanov, A. (2002). Synthesis, structure and optical characterisation of silicon phthalocyanine bis-esters. Journal of the Chemical Society-Perkin Transactions 2, 59-66

A range of axially substituted silicon phthalocyanines has been synthesised using various carboxylates as the ligands. 4-tert-Butylbenzoic acid gives rigid, orthogonal axial substituents, whilst a thiophene-containing bis-acetate was conformationally... Read More about Synthesis, structure and optical characterisation of silicon phthalocyanine bis-esters.

Sensitised luminescence from phenanthridine appended lanthanide complexes: analysis of triplet mediated energy transfer processes in terbium, europium and neodymium complexes (2001)
Journal Article
Beeby, A., Faulkner, S., Parker, D., & Williams, J. (2001). Sensitised luminescence from phenanthridine appended lanthanide complexes: analysis of triplet mediated energy transfer processes in terbium, europium and neodymium complexes. Journal of the Chemical Society-Perkin Transactions 2, 1268-1273

Time resolved luminescence spectroscopy and laser flash photolysis have been used to probe the energy transfer processes in the europium, neodymium and terbium complexes of ligand, 1. The ligand, chosen because of the high kinetic stability of lantha... Read More about Sensitised luminescence from phenanthridine appended lanthanide complexes: analysis of triplet mediated energy transfer processes in terbium, europium and neodymium complexes.

Matrix dependence of light emission from TCNQ adducts (2001)
Journal Article
Bloor, D., Kagawa, Y., Szablewski, M., Ravi, M., Clark, S., Cross, G., …Rumbles, G. (2001). Matrix dependence of light emission from TCNQ adducts. Journal of materials chemistry, 11(12), 3053-3062. https://doi.org/10.1039/b104992p

The reactions of primary and secondary amines with 7,7,8,8-tetracyano-p-quinodimethane(TCNQ) lead to mono- and di-substituted adducts. Fluorescence emission has been observed for several of these compounds. The luminescence property of the TCNQ adduc... Read More about Matrix dependence of light emission from TCNQ adducts.

DNA binding studies of cationic lanthanide complexes bearing a phenanthridinium group (2001)
Journal Article
Bobba, G., Kean, S., Parker, D., Beeby, A., & Baker, G. (2001). DNA binding studies of cationic lanthanide complexes bearing a phenanthridinium group. Journal of the Chemical Society-Perkin Transactions 2, 1738-1741

The binding of tetracationic Lambda- and Delta -europium complexes of tetraamide and triamide ligands incorporating an N-methylphenanthridinium group to calf-thymus DNA, poly(dGdC) and super-coiled plasmid DNA has been monitored by absorption, lumine... Read More about DNA binding studies of cationic lanthanide complexes bearing a phenanthridinium group.

Time-resolved near-IR luminescence from ytterbium and neodymium complexes of the Lehn cryptand (2001)
Journal Article
Faulkner, S., Beeby, A., Carrie, M., Dadabhoy, A., Kenwright, A., & Sammes, P. (2001). Time-resolved near-IR luminescence from ytterbium and neodymium complexes of the Lehn cryptand. Inorganic Chemistry Communications, 4(4), 187-190

The Lehn cryptand has been widely applied to the study and application of luminescent lanthanide ions. We have demonstrated that the ytterbium and neodymium complexes are also luminescent. The luminescence lifetimes of the ytterbium complex fit well... Read More about Time-resolved near-IR luminescence from ytterbium and neodymium complexes of the Lehn cryptand.

Photochemistry of the pi-extended 9,10-bis(1,3-dithiol-2- ylidene)-9,10-dihydroanthracene system: Generation and characterisation of the radical cation, dication, and derived products (2001)
Journal Article
Jones, A., Christensen, C., Perepichka, D., Batsanov, A., Beeby, A., Low, P., …Parker, A. (2001). Photochemistry of the pi-extended 9,10-bis(1,3-dithiol-2- ylidene)-9,10-dihydroanthracene system: Generation and characterisation of the radical cation, dication, and derived products. Chemistry - A European Journal, 7(5), 973-978. https://doi.org/10.1002/1521-3765%2820010302%297%3A5%3C973%3A%3Aaid-chem973%3E3.0.co%3B2-%23

Flash photolysis of bis[4,5-di(methylsulfanyl)1,3-dithiol-2- ylidene]-9,10-dihydroanthracene (1) in chloroform leads to formation of the transient radical cation species 1(.+) which has a diagnostic broad absorption band at lambda (max) approximate t... Read More about Photochemistry of the pi-extended 9,10-bis(1,3-dithiol-2- ylidene)-9,10-dihydroanthracene system: Generation and characterisation of the radical cation, dication, and derived products.