Shapeshifting molecules: The story so far and the shape of things to come (2019)
Journal Article
Bismillah, A., Chapin, B., Hussein, B., & McGonigal, P. (2020). Shapeshifting molecules: The story so far and the shape of things to come. Chemical Science, 11(2), 324-332. https://doi.org/10.1039/c9sc05482k

Shapeshifting molecules exhibit rapid constitutional dynamics while remaining stable, isolable molecules, making them promising artificial scaffolds from which to explore complex biological systems and create new functional materials. However, their... Read More about Shapeshifting molecules: The story so far and the shape of things to come.

Carbazole‐Based Tetrapodal Anchor Groups for Gold Surfaces: Synthesis and Conductance Properties (2019)
Journal Article
Bryce, M. R., O'Driscoll, L., Wang, X., Jay, M., Batsanov, A., Sadeghi, H., …Robinson, B. (2020). Carbazole‐Based Tetrapodal Anchor Groups for Gold Surfaces: Synthesis and Conductance Properties. Angewandte Chemie International Edition, 59(2), 882-889. https://doi.org/10.1002/anie.201911652

As the field of molecular‐scale electronics matures and the prospect of devices incorporating molecular wires becomes more feasible, it is necessary to progress from the simple anchor groups used in fundamental conductance studies to more elaborate a... Read More about Carbazole‐Based Tetrapodal Anchor Groups for Gold Surfaces: Synthesis and Conductance Properties.

Reversible tricolour luminescence switching based on a piezochromic iridium(iii) complex (2019)
Journal Article
Yang, T., Wang, Y., Liu, X., Li, G., Che, W., Zhu, D., …Bryce, M. R. (2019). Reversible tricolour luminescence switching based on a piezochromic iridium(iii) complex. Chemical Communications, 55(97), 14582-14585. https://doi.org/10.1039/c9cc08545a

On the basis of rational molecular design, the tricolour luminescence switching of an Ir(III) complex is achieved for the first time. The transformation between two crystalline states and an amorphous state is responsible for the switching behaviour... Read More about Reversible tricolour luminescence switching based on a piezochromic iridium(iii) complex.

Exploring antiaromaticity in single-molecule junctions formed from biphenylene derivatives (2019)
Journal Article
Gantenbein, M., Li, X., Sangtarash, S., Bai, J., Olsen, G., Alqorashi, A., …Bryce, M. R. (2019). Exploring antiaromaticity in single-molecule junctions formed from biphenylene derivatives. Nanoscale, 11(43), 20659-20666. https://doi.org/10.1039/c9nr05375a

We report the synthesis of a series of oligophenylene-ethynylene (OPE) derivatives with biphenylene core units, designed to assess the effects of biphenylene antiaromaticity on charge transport in molecular junctions. Analogues with naphthalene, anth... Read More about Exploring antiaromaticity in single-molecule junctions formed from biphenylene derivatives.

Luminescent Platinum(II) Complexes of N^N–^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines (2019)
Journal Article
Mandapati, P., Braun, J. D., Killeen, C., Davis, R. L., Williams, J. G., & Herbert, D. E. (2019). Luminescent Platinum(II) Complexes of N^N–^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines. Inorganic Chemistry, 58(21), 14808-14817. https://doi.org/10.1021/acs.inorgchem.9b02480

A platform for investigating the impact of π-extension in benzannulated, anionic pincer-type N^N–^N-coordinating amido ligands and their Pt(II) complexes is presented. Based on bis(8-quinolinyl)amine, symmetric and asymmetric proligands bearing quino... Read More about Luminescent Platinum(II) Complexes of N^N–^N Amido Ligands with Benzannulated N-Heterocyclic Donor Arms: Quinolines Offer Unexpectedly Deeper Red Phosphorescence than Phenanthridines.

Balancing charge-transfer strength and triplet states for deep-blue thermally activated delayed fluorescence with an unconventional electron rich dibenzothiophene acceptor (2019)
Journal Article
Huang, R., Kukhta, N., Ward, J., Danos, A., Batsanov, A., Bryce, M., & Dias, F. (2019). Balancing charge-transfer strength and triplet states for deep-blue thermally activated delayed fluorescence with an unconventional electron rich dibenzothiophene acceptor. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(42), 13224-13234. https://doi.org/10.1039/c9tc02175b

Manipulation of the emission properties of deep-blue emitters exhibiting thermally activated delayed fluorescence (TADF) through molecular design is challenging. We present an effective strategy to probe deeper into the role of localized (LE) and cha... Read More about Balancing charge-transfer strength and triplet states for deep-blue thermally activated delayed fluorescence with an unconventional electron rich dibenzothiophene acceptor.

Achieving Conformational Control in RTP and TADF Emitters by Functionalization of the Central Core (2019)
Journal Article
Kukhta, N., Huang, R., Batsanov, A., Bryce, M., & Dias, F. (2019). Achieving Conformational Control in RTP and TADF Emitters by Functionalization of the Central Core. Journal of Physical Chemistry C, 123(43), 26536-26546. https://doi.org/10.1021/acs.jpcc.9b08238

Three new symmetrical donor–acceptor–donor (D–A–D)-type molecules were prepared with phenothiazine (PTZ) as electron donors and 9,9-dimethylthioxanthene (TX) as the electron acceptor. The PTZ groups are attached at different positions on the acceptor... Read More about Achieving Conformational Control in RTP and TADF Emitters by Functionalization of the Central Core.

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.

A family of readily synthesised phosphorescent platinum(II) complexes based on tridentate N^N^O-coordinating Schiff-base ligands (2019)
Journal Article
Puttock, E., Fradgley, J., Yufit, D., & Williams, J. (2019). A family of readily synthesised phosphorescent platinum(II) complexes based on tridentate N^N^O-coordinating Schiff-base ligands. Dalton Transactions, 48(40), 15012-15028. https://doi.org/10.1039/c9dt03156a

The synthesis and photophysical properties of 22 platinum(II) complexes featuring N^N^O-coordinating ligands are described. The complexes have the form Pt(N^N^O-Ln)Cl (n = 1 to 20). The tridentate ligands comprise lateral pyridine and phenolate rings... Read More about A family of readily synthesised phosphorescent platinum(II) complexes based on tridentate N^N^O-coordinating Schiff-base ligands.

Strategic modification of ligands for remarkable piezochromic luminescence (PCL) based on a neutral Ir(iii) phosphor (2019)
Journal Article
Li, D., Li, G., Xie, J., Zhu, D., Su, Z., & Bryce, M. R. (2019). Strategic modification of ligands for remarkable piezochromic luminescence (PCL) based on a neutral Ir(iii) phosphor. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(35), 10876-10880. https://doi.org/10.1039/c9tc03646f

A new aggregation-induced emission (AIE)-active neutral Ir(III) complex has been rationally designed and synthesized by introducing carboxyl and F substituents into the ancillary and cyclometalating ligands, respectively, to construct different kinds... Read More about Strategic modification of ligands for remarkable piezochromic luminescence (PCL) based on a neutral Ir(iii) phosphor.

Molecular Design Strategies for Color Tuning of Blue TADF Emitters (2019)
Journal Article
Stachelek, P., Ward, J. S., dos Santos, P. L., Danos, A., Colella, M., Haase, N., …Monkman, A. P. (2019). Molecular Design Strategies for Color Tuning of Blue TADF Emitters. ACS Applied Materials and Interfaces, 11(30), 27125-27133. https://doi.org/10.1021/acsami.9b06364

New thermally activated delayed fluorescence (TADF) blue emitter molecules based on the known donor−acceptor−donor (D−A−D)- type TADF molecule, 2,7-bis(9,9-dimethylacridin-10-yl)-9,9-dimethylthioxanthene- S,S-dioxide (DDMA-TXO2), are reported. The mo... Read More about Molecular Design Strategies for Color Tuning of Blue TADF Emitters.

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.

Revealing Resonance Effects and Intramolecular Dipole Interactions in the Positional Isomers of Benzonitrile-Core Thermally Activated Delayed Fluorescence Materials (2019)
Journal Article
Kukhta, N., Higginbotham, H., Matulaitis, T., Danos, A., Bismillah, A., Haase, N., …Monkman, A. (2019). Revealing Resonance Effects and Intramolecular Dipole Interactions in the Positional Isomers of Benzonitrile-Core Thermally Activated Delayed Fluorescence Materials. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(30), 9184-9194. https://doi.org/10.1039/c9tc02742d

We report on the properties of the three positional isomers of (2,7-di-tert-butyl-9,9-dimethylacridin-10(9H)-yl)benzonitrile, which are found to have comparable donor steric environments and donor–acceptor dihedral angles. An unexpected intramolecula... Read More about Revealing Resonance Effects and Intramolecular Dipole Interactions in the Positional Isomers of Benzonitrile-Core Thermally Activated Delayed Fluorescence Materials.

Fluorenylporphyrins functionalized by electrochromic ruthenium units as redox-triggered fluorescence switches (2019)
Journal Article
Zhang, X., Abid, S., Shi, L., Williams, J. G., Fox, M. A., Miomandre, F., …Paul-Roth, C. O. (2019). Fluorenylporphyrins functionalized by electrochromic ruthenium units as redox-triggered fluorescence switches. Dalton Transactions, 48(31), 11897-11911. https://doi.org/10.1039/c9dt02087j

Two dyads containing tris- and tetrakis-meso-fluorenyl-substituted porphyrin and ethynylruthenium units, 1 and 2, were investigated by emission spectro-electrochemical (SEC) methods for their potential use as fluorescence switches. The ruthenium grou... Read More about Fluorenylporphyrins functionalized by electrochromic ruthenium units as redox-triggered fluorescence switches.

Single-Phase White-Emitting Phosphors Based on Apatite-Type Gadolinium Silicate, Gd9.33(SiO4)6O2 Doped with Dy3+, Eu3+ and Tb3+ (2019)
Journal Article
Rodriguez-Garcia, M. M., Williams, J. G., & Evans, I. R. (2019). Single-Phase White-Emitting Phosphors Based on Apatite-Type Gadolinium Silicate, Gd9.33(SiO4)6O2 Doped with Dy3+, Eu3+ and Tb3+. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(25), 7779-7787. https://doi.org/10.1039/c9tc02336d

Two series of new apatite-type silicate materials were synthesised and characterised with the aim of achieving white light emission from single-phase phosphors. The Gd9.33(SiO4)6O2 host was doped systematically with Dy3+, Tb3+ and Eu3+ to tune the em... Read More about Single-Phase White-Emitting Phosphors Based on Apatite-Type Gadolinium Silicate, Gd9.33(SiO4)6O2 Doped with Dy3+, Eu3+ and Tb3+.

Delayed Blue Fluorescence via Upper-triplet State Crossing from C-C Bonded Donor-Acceptor Charge-Transfer Molecules with Azatriangulene cores (2019)
Journal Article
Ward, J., Kukhta, N., Dos Santos, P., Congrave, D., Batsanov, A., Monkman, A., & Bryce, M. (2019). Delayed Blue Fluorescence via Upper-triplet State Crossing from C-C Bonded Donor-Acceptor Charge-Transfer Molecules with Azatriangulene cores. Chemistry of Materials, 31(17), 6684-6695. https://doi.org/10.1021/acs.chemmater.9b01184

We report the synthesis and structural and photophysical characterization of two series of molecules with functionalized azatriangulene electron donor cores and three pendant electron acceptor units. The presented donor and acceptor units are joined... Read More about Delayed Blue Fluorescence via Upper-triplet State Crossing from C-C Bonded Donor-Acceptor Charge-Transfer Molecules with Azatriangulene cores.

A highly luminescent tetrahydrocurcumin Ir(III) complex with remarkable photoactivated anticancer activity (2019)
Journal Article
Dragonetti, C., Colombo, A., Fontani, M., Roberto, D., Williams, G., Scotto di Perrotolo, R., …Polo, S. (2019). A highly luminescent tetrahydrocurcumin Ir(III) complex with remarkable photoactivated anticancer activity. Chemistry - A European Journal, 25(33), 7948-7952. https://doi.org/10.1002/chem.201901527

Curcumin has chemopreventive properties against a variety of tumours, but it has poor bioavailability. Two new bis‐cyclometallated iridium(III) complexes have been prepared, featuring the natural product curcumin (CUR) or its reduced form, tetrahydro... Read More about A highly luminescent tetrahydrocurcumin Ir(III) complex with remarkable photoactivated anticancer activity.

Persistent Dimer Emission in Thermally Activated Delayed Fluorescence Materials (2019)
Journal Article
Etherington, M. K., Kukhta, N. A., Higginbotham, H. F., Danos, A., Bismillah, A. N., Graves, D. R., …Monkman, A. P. (2019). Persistent Dimer Emission in Thermally Activated Delayed Fluorescence Materials. Journal of Physical Chemistry C, 123(17), 11109-11117. https://doi.org/10.1021/acs.jpcc.9b01458

We expose significant changes in emission color of carbazole-based thermally activated delayed fluorescence (TADF) emitters that arise through the presence of persistent dimer states in thin films and organic light-emitting diodes(OLEDs). Direct phot... Read More about Persistent Dimer Emission in Thermally Activated Delayed Fluorescence Materials.

Impact of Methoxy Substituents on Thermally Activated Delayed Fluorescence and Room-Temperature Phosphorescence in All-Organic Donor–Acceptor Systems (2019)
Journal Article
Ward, J. S., Nobuyasu, R. S., Fox, M. A., Aguilar, J. A., Hall, D., Batsanov, A. S., …Bryce, M. R. (2019). Impact of Methoxy Substituents on Thermally Activated Delayed Fluorescence and Room-Temperature Phosphorescence in All-Organic Donor–Acceptor Systems. Journal of Organic Chemistry, 84(7), 3801-3816. https://doi.org/10.1021/acs.joc.8b02848

Thermally activated delayed fluorescence (TADF) and room-temperature phosphorescence (RTP) are known to occur in organic D–A–D and D–A systems where the donor group contains the phenothiazine unit and the acceptor is dibenzothiophene-S,S-dioxide. Thi... Read More about Impact of Methoxy Substituents on Thermally Activated Delayed Fluorescence and Room-Temperature Phosphorescence in All-Organic Donor–Acceptor Systems.

Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs (2019)
Journal Article
Walden, M. T., Pander, P., Yufit, D. S., Dias, F. B., & Williams, J. G. (2019). Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(22), 6592--6606. https://doi.org/10.1039/c9tc00768g

Two new homoleptic platinum(II) complexes are reported that feature aryl-appended 5-(2-pyridyl)-1,2,4- triazole chelates acting as N^N ligating ions, PtL1 2 and PtL2 2. Readily prepared from easily accessible proligands, they offer good solubility in... Read More about Homoleptic platinum(ii) complexes with pyridyltriazole ligands: excimer-forming phosphorescent emitters for solution-processed OLEDs.