X-ray imaging of silicon die within fully packaged semiconductor devices (2021)
Journal Article
Tanner, B. K., McNally, P. J., & Danilewsky, A. N. (2021). X-ray imaging of silicon die within fully packaged semiconductor devices. Powder Diffraction, 36(2), 78-84. https://doi.org/10.1017/s088571562100021x

X-ray diffraction imaging (XRDI) (topography) measurements of silicon die warpage within fully packaged commercial quad-flat no-lead devices are described. Using synchrotron radiation, it has been shown that the tilt of the lattice planes in the Anal... Read More about X-ray imaging of silicon die within fully packaged semiconductor devices.

Rational design of iridium–porphyrin conjugates for novel synergistic photodynamic and photothermal therapy anticancer agents (2021)
Journal Article
Zhang, L., Geng, Y., Li, L., Tong, X., Liu, S., Liu, X., …Bryce, M. R. (2021). Rational design of iridium–porphyrin conjugates for novel synergistic photodynamic and photothermal therapy anticancer agents. Chemical Science, 12(16), 5918-5925. https://doi.org/10.1039/d1sc00126d

Near-infrared (NIR) emitters are important probes for biomedical applications. Nanoparticles (NPs) incorporating mono- and tetranuclear iridium(III) complexes attached to a porphyrin core have been synthesized. They possess deep-red absorbance, long-... Read More about Rational design of iridium–porphyrin conjugates for novel synergistic photodynamic and photothermal therapy anticancer agents.

Difluorodithieno[3,2-a:2′,3′-c]phenazine as a strong acceptor for materials displaying thermally activated delayed fluorescence or room temperature phosphorescence (2021)
Journal Article
Cardeynaels, T., Paredis, S., Danos, A., Harrison, A., Deckers, J., Brebels, S., …Maes, W. (2021). Difluorodithieno[3,2-a:2′,3′-c]phenazine as a strong acceptor for materials displaying thermally activated delayed fluorescence or room temperature phosphorescence. Dyes and Pigments, 190, https://doi.org/10.1016/j.dyepig.2021.109301

A novel strong electron-acceptor unit, 9,10-difluorodithieno[3,2-a:2′,3′-c]phenazine (DTPz), is synthesized and applied in the design of two donor-acceptor type emitters displaying long-lived delayed emission. Using either 9,9-dimethyl-9,10-dihydroac... Read More about Difluorodithieno[3,2-a:2′,3′-c]phenazine as a strong acceptor for materials displaying thermally activated delayed fluorescence or room temperature phosphorescence.

Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence (2021)
Journal Article
Pander, P. H., Daniels, R., Zaytsev, A., Horn, A., Sil, A., Penfold, T., …Dias, F. B. (2021). Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence. Chemical Science, 6172-6180. https://doi.org/10.1039/d1sc00160d

A novel dinuclear platinum(II) complex featuring a ditopic, bis-tetradentate ligand has been prepared. The ligand offers each metal ion a planar O^N^C^N coordination environment, with the two metal ions bound to the nitrogen atoms of a bridging pyrim... Read More about Exceptionally Fast Radiative Decay of a Dinuclear Platinum Complex Through Thermally Activated Delayed Fluorescence.

Investigation of Intramolecular Through-Space Charge-Transfer States in Donor–Acceptor Charge-Transfer Systems (2021)
Journal Article
Kumar, S., Gomes Franca, L., Stavrou, K., Crovini, E., Cordes, D. B., Slawin, A. M., …Zysman-Colman, E. (2021). Investigation of Intramolecular Through-Space Charge-Transfer States in Donor–Acceptor Charge-Transfer Systems. Journal of Physical Chemistry Letters, 12(11), https://doi.org/10.1021/acs.jpclett.1c00265

Commonly, thermally activated delayed fluorescence (TADF) emitters present a twisted donor–acceptor structure. Here, electronic communication is mediated through-bond via π-conjugation between donor and acceptor groups. A second class of TADF emitter... Read More about Investigation of Intramolecular Through-Space Charge-Transfer States in Donor–Acceptor Charge-Transfer Systems.

Large Area Emission in p-Type Polymer-Based Light-Emitting Field-Effect Transistors by Incorporating Charge Injection Interlayers (2021)
Journal Article
Acar, G., Iqbal, M. J., & Chaudhry, M. U. (2021). Large Area Emission in p-Type Polymer-Based Light-Emitting Field-Effect Transistors by Incorporating Charge Injection Interlayers. Materials, 14(4), https://doi.org/10.3390/ma14040901

Organic light-emitting field-effect transistors (LEFETs) provide the possibility of simplifying the display pixilation design as they integrate the drive-transistor and the light emission in a single architecture. However, in p-type LEFETs, simultane... Read More about Large Area Emission in p-Type Polymer-Based Light-Emitting Field-Effect Transistors by Incorporating Charge Injection Interlayers.

Conformational Dependence of Triplet Energies in Rotationally Hindered N‐ and S‐Heterocyclic Dimers: New Design and Measurement Rules for High Triplet Energy OLED Host Materials (2021)
Journal Article
Wright, I. A., Danos, A., Montanaro, S., Batsanov, A. S., Monkman, A. P., & Bryce, M. R. (2021). Conformational Dependence of Triplet Energies in Rotationally Hindered N‐ and S‐Heterocyclic Dimers: New Design and Measurement Rules for High Triplet Energy OLED Host Materials. Chemistry - A European Journal, 27(21), 6545-6556. https://doi.org/10.1002/chem.202100036

A series of four heterocyclic dimers has been synthesized, with twisted geometries imposed across the central linking bond by ortho‐alkoxy chains. These include two isomeric bicarbazoles, a bis(dibenzothiophene‐S,S‐dioxide) and a bis(thioxanthene‐S,S... Read More about Conformational Dependence of Triplet Energies in Rotationally Hindered N‐ and S‐Heterocyclic Dimers: New Design and Measurement Rules for High Triplet Energy OLED Host Materials.

Hot Vibrational States in a High-Performance Multiple Resonance Emitter and the Effect of Excimer Quenching on Organic Light-Emitting Diodes (2021)
Journal Article
Stavrou, K., Danos, A., Hama, T., Hatakeyama, T., & Monkman, A. (2021). Hot Vibrational States in a High-Performance Multiple Resonance Emitter and the Effect of Excimer Quenching on Organic Light-Emitting Diodes. ACS Applied Materials and Interfaces, 13(7), 8643-8655. https://doi.org/10.1021/acsami.0c20619

The photophysics of multiple resonance thermally activated delayed fluorescence molecule ν-DABNA is described. We show coupling of a 285 cm–1 stretching/scissoring vibrational mode of peripheral phenyl rings to the S1 state, which dictates the ultima... Read More about Hot Vibrational States in a High-Performance Multiple Resonance Emitter and the Effect of Excimer Quenching on Organic Light-Emitting Diodes.

The Critical Role of nπ* States in the Photophysics and Thermally Activated Delayed Fluorescence of Spiro Acridine-Anthracenone (2021)
Journal Article
Gomes Franca, L., Long, Y., Li, C., Danos, A., & Monkman, A. (2021). The Critical Role of nπ* States in the Photophysics and Thermally Activated Delayed Fluorescence of Spiro Acridine-Anthracenone. Journal of Physical Chemistry Letters, 12(5), 1490-1500. https://doi.org/10.1021/acs.jpclett.0c03314

The molecular photophysics and thermally activated delayed fluorescence (TADF) in spiro compounds are distinct because of the rigid orthogonal C–C bridging bond between donor and acceptor. The photophysics is found to be highly complex, with unpreced... Read More about The Critical Role of nπ* States in the Photophysics and Thermally Activated Delayed Fluorescence of Spiro Acridine-Anthracenone.

Fabrication and characterization of cellulose acetate-based nanofibers and nanofilms for H2S gas sensing application (2021)
Journal Article
Abdel Rahman, N. S., Greish, Y. E., Mahmoud, S. T., Qamhieh, N. N., El-Maghraby, H. F., & Zeze, D. (2021). Fabrication and characterization of cellulose acetate-based nanofibers and nanofilms for H2S gas sensing application. Carbohydrate Polymers, 258, Article 117643. https://doi.org/10.1016/j.carbpol.2021.117643

Electrospun nanofibers and solution-casting nanofilms were produced from an environmentally friendly cellulose acetate (CA) blended with glycerol (as an ionic liquid (IL)), mixed with polypyrrole (PPy, a conducting polymer) and doped with tungsten ox... Read More about Fabrication and characterization of cellulose acetate-based nanofibers and nanofilms for H2S gas sensing application.

Enhancement of thermally activated delayed fluorescence properties by substitution of ancillary halogen in a multiple resonance-like diplatinum(ii) complex (2021)
Journal Article
Pander, P., Zaytsev, A. V., Sil, A., Williams, J. G., Kozhevnikov, V. N., & Dias, F. B. (2022). Enhancement of thermally activated delayed fluorescence properties by substitution of ancillary halogen in a multiple resonance-like diplatinum(ii) complex. Journal of Materials Chemistry C Materials for optical and electronic devices, 10(12), 4851-4860. https://doi.org/10.1039/d1tc05026e

We present an in-depth investigation of the influence of chloro-to-iodo exchange on the thermally activated delayed fluorescence (TADF) of a dinuclear platinum(II) complex featuring monodentate halide ancillary ligands. The complexes are constructed... Read More about Enhancement of thermally activated delayed fluorescence properties by substitution of ancillary halogen in a multiple resonance-like diplatinum(ii) complex.

Extended curly arrow rules to rationalise and predict structural effects on quantum interference in molecular junctions (2021)
Journal Article
O'Driscoll, L. J., & Bryce, M. R. (2021). Extended curly arrow rules to rationalise and predict structural effects on quantum interference in molecular junctions. Nanoscale, 13(2), 1103-1123. https://doi.org/10.1039/d0nr07819k

The ability to easily and reliably predict quantum interference (QI) behaviour would facilitate the design of functional molecular wires with potential applications in switches, transistors and thermoelectric devices. A variety of predictive methods... Read More about Extended curly arrow rules to rationalise and predict structural effects on quantum interference in molecular junctions.

‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation (2020)
Journal Article
Gasper, G. E., & Tanner, B. K. (2020). ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation. Endeavour, 44(4), Article 100750. https://doi.org/10.1016/j.endeavour.2021.100750

Despite some scepticism, the suggestion by Hartung in 1976 that the report in the chronicle of Gervase of Canterbury corresponded to a meteorite impact with the moon in 1178, creating the Giordano Bruno crater, retains considerable support, particula... Read More about ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation.

Platinum(II) Complexes of Tridentate ‐Coordinating Ligands Based on Imides, Amides, and Hydrazides: Synthesis and Luminescence Properties (2020)
Journal Article
Puttock, E. V., Sturala, J., Kistemaker, J. C., & Williams, J. G. (2021). Platinum(II) Complexes of Tridentate ‐Coordinating Ligands Based on Imides, Amides, and Hydrazides: Synthesis and Luminescence Properties. European Journal of Inorganic Chemistry, 2021(4), 335-347. https://doi.org/10.1002/ejic.202000879

Five Pt(II) complexes are described in which the metal ion is bound to anionic urn:x-wiley:14341948:media:ejic202000879:ejic202000879-math-0003 ‐coordinating ligands. The central, deprotonated N atom is derived from an imide Ar−C(=O)−NH−C(=O)−Ar {PtL... Read More about Platinum(II) Complexes of Tridentate ‐Coordinating Ligands Based on Imides, Amides, and Hydrazides: Synthesis and Luminescence Properties.

Synthesis, Mesomorphism, Photophysics and Device Performance of Liquid-crystalline Pincer Complexes of Gold(III) (2020)
Journal Article
Parker, R. R., Liu, D., Yu, X., Whitwood, A. C., Zhu, W., Williams, G., …Bruce, D. W. (2021). Synthesis, Mesomorphism, Photophysics and Device Performance of Liquid-crystalline Pincer Complexes of Gold(III). Journal of Materials Chemistry C Materials for optical and electronic devices, https://doi.org/10.1039/d0tc04839a

Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation (2020)
Journal Article
Hempe, M., Harrison, A. K., Ward, J. S., Batsanov, A. S., Fox, M. A., Dias, F. B., & Bryce, M. R. (2021). Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation. Journal of Organic Chemistry, 86(1), 429-445. https://doi.org/10.1021/acs.joc.0c02174

The synthetic methodology to covalently link donors to form cyclophane-based thermally activated delayed fluorescence (TADF) molecules is presented. These are the first reported examples of TADF cyclophanes with “electronically innocent” bridges betw... Read More about Cyclophane Molecules Exhibiting Thermally Activated Delayed Fluorescence: Linking Donor Units to Influence Molecular Conformation.

Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs (2020)
Journal Article
Shafikov, M. Z., Pander, P., Zaytsev, A. V., Daniels, R., Martinscroft, R., Dias, F. B., …Kozhevnikov, V. N. (2021). Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs. Journal of Materials Chemistry C Materials for optical and electronic devices, 9(1), 127-135. https://doi.org/10.1039/d0tc04881j

Near infrared (NIR) emission from molecular materials is typically targeted by using more extended conjugated systems compared to visible-emitting materials. But efficiencies usually fall off due to the combined effects of increasing non-radiative an... Read More about Extended ligand conjugation and dinuclearity as a route to efficient platinum-based near-infrared (NIR) triplet emitters and solution-processed NIR-OLEDs.

Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters (2020)
Journal Article
Salah, L., Etherington, M., Shuaib, A., Danos, A., Nazeer, A., Ghazal, B., …Makhseed, S. (2021). Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters. Journal of Materials Chemistry C Materials for optical and electronic devices, 9(1), 189-198. https://doi.org/10.1039/d0tc04222f

Ideal emitters for organic light-emitting diodes (OLEDs) are capable of efficiently harvesting non-emissive triplet states, have high colour stabilities, and possess high photoluminescence quantum yields (PLQYs). Maintaining colour stability and PLQY... Read More about Suppressing Dimer Formation by Increasing Conformational Freedom in Multi-Carbazole Thermally Activated Delayed Fluorescence Emitters.

Designing magnesium-selective ligands using coordination chemistry principles (2020)
Journal Article
Walter, E. R., Hogg, C., Parker, D., & Gareth Williams, J. (2021). Designing magnesium-selective ligands using coordination chemistry principles. Coordination Chemistry Reviews, 428, Article 213622. https://doi.org/10.1016/j.ccr.2020.213622

Progress in the selective binding and detection of magnesium ions has been slower than other biologically important divalent metal ions like calcium and zinc. The most widely used ligands for Mg2+ are by no means optimal, as they are not selective fo... Read More about Designing magnesium-selective ligands using coordination chemistry principles.

Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging (2020)
Journal Article
Mendis, B. G., Barthel, J., Findlay, S. D., & Allen, L. J. (2020). Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging. Microscopy and Microanalysis, 26(6), 1147-1157. https://doi.org/10.1017/s1431927620024605

Electron backscatter diffraction (EBSD) and electron channeling contrast imaging (ECCI) are used to extract crystallographic information from bulk samples, such as their crystal structure and orientation as well as the presence of any dislocation and... Read More about Inelastic Scattering in Electron Backscatter Diffraction and Electron Channeling Contrast Imaging.