Fast Delayed Emission in New Pyridazine-Based Compounds

Autor: Simonas Krotkus, Tomas Matulaitis, Stefan Diesing, Graeme Copley, Emily Archer, Changmin Keum, David B. Cordes, Alexandra M. Z. Slawin, Malte C. Gather, Eli Zysman-Colman, Ifor D. W. Samuel

Publikováno v: Frontiers in Chemistry, Vol 8 (2021)

Three novel donor-acceptor molecules comprising the underexplored pyridazine (Pydz) acceptor moiety have been synthesized and their structural, electrochemical and photophysical properties thoroughly characterized. Combining Pydz with two phenoxazine

Externí odkaz: https://doaj.org/article/c40834d98a3d41e0be5f63a0c1e2d275

Photosensitizers for H2 Evolution Based on Charged or Neutral Zn and Sn Porphyrins

Autor: Panagiotis A. Angaridis, Graeme Copley, Stylianos Panagiotakis, Joshua K. G. Karlsson, Emmanouil Giannoudis, Chrysanthi Matthaiaki, Elizabeth A. Gibson, Georgios Landrou, Athanassios G. Coutsolelos, Georgios Charalambidis, Elisabetta Benazzi, Vasilis Nikolaou

Publikováno v: Inorganic Chemistry. 59:1611-1621

We report a comparison between a series of zinc and tin porphyrins as photosensitizers for photochemical hydrogen evolution using cobaloxime complexes as molecular catalysts. Among all the chromophores tested, only the positively charged zinc porphyr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d078da8f85ee879288dd5d03354fa0c2
https://doi.org/10.1021/acs.inorgchem.9b01838

Exciton efficiency beyond the spin statistical limit in organic light emitting diodes based on anthracene derivatives

Autor: Eduard Spuling, Eli Zysman-Colman, Yoann Olivier, Malte C. Gather, Ifor D. W. Samuel, Alberto Privitera, Graeme Copley, Caroline Murawski, David Hall, Alexandra M. Z. Slawin, Nidhi Sharma, David Beljonne, David B. Cordes, Francisco Tenopala-Carmona, Michael Y. Wong

Publikováno v: Journal of Materials Chemistry C
Sharma, N, Wong, M Y, Hall, D, Spuling, E, Tenopala-Carmona, F, Privitera, A, Copley, G, Cordes, D B, Slawin, A M Z, Murawski, C, Gather, M C, Beljonne, D, Olivier, Y, Samuel, I D W & Zysman-Colman, E 2020, ' Exciton efficiency beyond the spin statistical limit in organic light emitting diodes based on anthracene derivatives ', Journal of Materials Chemistry C, vol. 8, no. 11, pp. 3773-3783 . https://doi.org/10.1039/c9tc06356k

E.Z.-C. acknowledges the University of St Andrews and the Leverhulme Trust (RPG- 2016-047) for financial support. E.Z.-C. and I.D.W.S. thank EPSRC (EP/P010482/1) for support. We thank EPSRC UK National Mass Spectrometry Facility at Swansea University

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::268f6da2644ab00fdec289530908d00b

First-Generation Subporphyrinatoboron(III) Sensitizers Surpass the 10 % Power Conversion Efficiency Threshold

Autor: Graeme Copley, Atsuhiro Osuka, Dongho Kim, Daesub Hwang

Publikováno v: Angewandte Chemie International Edition. 55:10287-10291

Subporphyrinatoboron(III) (SubB) sensitizers were synthesized for use in dye-sensitized solar cells (DSSCs). The prototype, which comprises a sterically demanding 3,5-di-tert-butylphenyl scaffold, a meso-ethynylphenyl spacer, and a cyanoacrylic acid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0143504079474cb51a1f154b63eb15b
https://doi.org/10.1002/anie.201604432

The influence of source molecule structure on the low temperature growth of nitrogen-doped graphene

Autor: Seiji Obata, Koichiro Saiki, M. Bhanuchandra, Hideki Yorimitsu, Gaku Imamura, Tokio Katoh, Graeme Copley

Publikováno v: Physical Chemistry Chemical Physics. 17:14115-14121

Doping of heteroatoms such as nitrogen into the lattice structure of graphene can tune and tailor the overall electronic properties. N-doped graphene, depending on the nitrogen bonding mode and/or bonding configuration, displays subtly altered proper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50daf6b01566042288ae72f33258b241
https://doi.org/10.1039/c5cp02032h