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Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation (2022)
Journal Article
L. dos Santos, P., de Sa Pereira, D., Eng, J., Ward, J. S., Bryce, M. R., Penfold, T. J., & Monkman, A. P. (2023). Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation. ChemPhotoChem, 7(2), Article e202200248. https://doi.org/10.1002/cptc.202200248

Here two D–A3 regioisomers, comprising three dibenzothiophene-S,S-dioxide acceptor units attached to a central triazatruxene core, are studied. Both molecules show thermally activated delayed fluorescence (TADF), however, the efficiency of the TADF m... Read More about Fine‐Tuning the Photophysics of Donor‐Acceptor (D‐A 3 ) Thermally Activated Delayed Fluorescence Emitters Using Isomerisation.

AIE-active Ir(iii) complexes functionalised with a cationic Schiff base ligand: synthesis, photophysical properties and applications in photodynamic therapy (2022)
Journal Article
Liu, S., Han, J., Wang, W., Chang, Y., Wang, R., Wang, Z., Li, G., Zhu, D., & Bryce, M. R. (2022). AIE-active Ir(iii) complexes functionalised with a cationic Schiff base ligand: synthesis, photophysical properties and applications in photodynamic therapy. Dalton Transactions, 51(42), 16119-16125. https://doi.org/10.1039/d2dt02960j

Photodynamic therapy (PDT) is a promising cancer treatment method. Traditional small-molecule photosensitizers (PSs) suffer from low intersystem crossing (ISC) ability and aggregation-caused quenching (ACQ), which adversely affects the luminous effic... Read More about AIE-active Ir(iii) complexes functionalised with a cationic Schiff base ligand: synthesis, photophysical properties and applications in photodynamic therapy.

Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt? (2022)
Journal Article
Hempe, M., Kukhta, N. A., Danos, A., Batsanov, A. S., Monkman, A. P., & Bryce, M. R. (2022). Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt?. Journal of Physical Chemistry Letters, 13(35), 8221-8227. https://doi.org/10.1021/acs.jpclett.2c00907

Intramolecular hydrogen bonding between donor and acceptor segments in thermally activated delayed fluorescence (TADF) materials is now frequently employed to─purportedly─rigidify the structure and improve the emission performance of these materials.... Read More about Intramolecular Hydrogen Bonding in Thermally Activated Delayed Fluorescence Emitters: Is There Evidence Beyond Reasonable Doubt?.

AIE-active iridium(iii) complex integrated with upconversion nanoparticles for NIR-irradiated photodynamic therapy (2022)
Journal Article
Liu, S., Han, J., Chang, Y., Wang, W., Wang, R., Wang, Z., Li, G., Zhu, D., & Bryce, M. R. (2022). AIE-active iridium(iii) complex integrated with upconversion nanoparticles for NIR-irradiated photodynamic therapy. Chemical Communications, 58(72), 10056 - 10059. https://doi.org/10.1039/d2cc03622c

The integration of an aggregation induced emission (AIE)-active Ir(III) complex and upconversion nanoparticles (UCNPs) has achieved a NIR-irradiated photosensitizer (PS), UCNPs@Ir-2-N. This PS has satisfactory biocompatibility, excellent phototoxicit... Read More about AIE-active iridium(iii) complex integrated with upconversion nanoparticles for NIR-irradiated photodynamic therapy.

Electrostatic Fermi level tuning in large-scale self-assembled monolayers of oligo(phenylene–ethynylene) derivatives (2022)
Journal Article
Wang, X., Ismael, A., Ning, S., Althobaiti, H., Al-Jobory, A., Girovsky, J., Astier, H. P., O'Driscoll, L. J., Bryce, M. R., Lambert, C. J., & Ford, C. J. (2022). Electrostatic Fermi level tuning in large-scale self-assembled monolayers of oligo(phenylene–ethynylene) derivatives. Nanoscale Horizons, 7(10), 1201-1209. https://doi.org/10.1039/d2nh00241h

Understanding and controlling the orbital alignment of molecules placed between electrodes is essential in the design of practically-applicable molecular and nanoscale electronic devices. The orbital alignment is highly determined by the molecule–ele... Read More about Electrostatic Fermi level tuning in large-scale self-assembled monolayers of oligo(phenylene–ethynylene) derivatives.

Quantum interference dependence on molecular configurations for cross-conjugated systems in single-molecule junctions (2022)
Journal Article
Hurtado-Gallego, J., Davidson, R., Grace, I. M., Rincón-García, L., Batsanov, A. S., Bryce, M. R., Lambert, C. J., & Agraït, N. (2022). Quantum interference dependence on molecular configurations for cross-conjugated systems in single-molecule junctions. Molecular Systems Design & Engineering, 7(10), 1287-1293. https://doi.org/10.1039/d2me00074a

We report a combined experimental and computational study of seven cross-conjugated enediyne derivatives functionalised with a pendant group (diphenyl, 9-fluorenyl, 9-thioxanthene or cyclohexyl) at the central alkene site, and with thiomethyl (SMe) o... Read More about Quantum interference dependence on molecular configurations for cross-conjugated systems in single-molecule junctions.

Thermoelectric properties of organic thin films enhanced by π–π stacking (2022)
Journal Article
Wang, X., Sangtarash, S., Lamantia, A., Dekkiche, H., Forcieri, L., Kolosov, O. V., Jarvis, S. P., Bryce, M. R., Lambert, C. J., Sadeghi, H., & Robinson, B. J. (2022). Thermoelectric properties of organic thin films enhanced by π–π stacking. JPhys Energy, 4(2), https://doi.org/10.1088/2515-7655/ac55a3

Thin films comprising synthetically robust, scalable molecules have been shown to have major potential for thermoelectric energy harvesting. Previous studies of molecular thin-films have tended to focus on massively parallel arrays of discrete but id... Read More about Thermoelectric properties of organic thin films enhanced by π–π stacking.

TADF dendronized polymer with vibrationally enhanced direct spin-flip between charge-transfer states for efficient non-doped solution-processed OLEDs (2022)
Journal Article
Li, C., Harrison, A. K., Liu, Y., Zhao, Z., Dias, F. B., Zeng, C., Yan, S., Bryce, M. R., & Ren, Z. (2022). TADF dendronized polymer with vibrationally enhanced direct spin-flip between charge-transfer states for efficient non-doped solution-processed OLEDs. Chemical Engineering Journal, 435, Article 134924. https://doi.org/10.1016/j.cej.2022.134924

A novel type of thermally activated delayed fluorescence (TADF) dendronized polymer was designed and synthesized. Firstly, one side of the asymmetric TADF unit was encapsulated by 3,6-di-tert-butylcarbazole via a conjugated linkage with strong twiste... Read More about TADF dendronized polymer with vibrationally enhanced direct spin-flip between charge-transfer states for efficient non-doped solution-processed OLEDs.

Thermoelectric Enhancement in Single Organic Radical Molecules (2022)
Journal Article
Hurtado-Gallego, J., Sangtarash, S., Davidson, R., Rincón-García, L., Daaoub, A., Rubio-Bollinger, G., Lambert, C. J., Oganesyan, V. S., Bryce, M. R., Agraït, N., & Sadeghi, H. (2022). Thermoelectric Enhancement in Single Organic Radical Molecules. Nano Letters, 22(3), https://doi.org/10.1021/acs.nanolett.1c03698

Organic thermoelectric materials have potential for wearable heating, cooling, and energy generation devices at room temperature. For this to be technologically viable, high-conductance (G) and high-Seebeck-coefficient (S) materials are needed. For m... Read More about Thermoelectric Enhancement in Single Organic Radical Molecules.

Asymmetrical‐Dendronized TADF Emitters for Efficient Non‐doped Solution‐Processed OLEDs by Eliminating Degenerate Excited States and Creating Solely Thermal Equilibrium Routes (2022)
Journal Article
Li, C., Harrison, A. K., Liu, Y., Zhao, Z., Zeng, C., Dias, F. B., Ren, Z., Yan, S., & Bryce, M. R. (2022). Asymmetrical‐Dendronized TADF Emitters for Efficient Non‐doped Solution‐Processed OLEDs by Eliminating Degenerate Excited States and Creating Solely Thermal Equilibrium Routes. Angewandte Chemie International Edition, 61(19), Article e202115140. https://doi.org/10.1002/anie.202115140

Two asymmetric “half-dendronized” and “half-dendronized-half-encapsulated” TADF emitters eliminate degenerate excited states, assuring a solely thermal equilibrium route for an effective spin-flip process. AEE properties can minimize the exciton quen... Read More about Asymmetrical‐Dendronized TADF Emitters for Efficient Non‐doped Solution‐Processed OLEDs by Eliminating Degenerate Excited States and Creating Solely Thermal Equilibrium Routes.