Zobrazeno 1 - 10
of 1 337
pro vyhledávání: '"J Penfold"'
Autor:
Suman Kuila, Hector Miranda-Salinas, Julien Eng, Chunyong Li, Martin R. Bryce, Thomas J. Penfold, Andrew P. Monkman
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Intramolecular charge transfer (ICT) occurs when photoexcitation causes electron transfer from an electron donor to an electron acceptor within the same molecule and is usually stabilized by decoupling of the donor and acceptor through an or
Externí odkaz:
https://doaj.org/article/56ea38fc8a0c4bec86b8d00da352f6a3
Autor:
Joshua D. Elliott, Victor Rogalev, Nigel Wilson, Mihai Duta, Christopher J. Reynolds, Jacob Filik, Thomas J. Penfold, Sofia Diaz-Moreno
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1276-1284 (2024)
Accurate analysis of the rich information contained within X-ray spectra usually calls for detailed electronic structure theory simulations. However, density functional theory (DFT), time-dependent DFT and many-body perturbation theory calculations i
Externí odkaz:
https://doaj.org/article/f677fd44ae614bcda7f5f51e7c417129
Autor:
Kyle Barlow, Ryan Phelps, Julien Eng, Tetsuo Katayama, Erica Sutcliffe, Marco Coletta, Euan K. Brechin, Thomas J. Penfold, J. Olof Johansson
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-7 (2024)
Abstract The development of new data storage solutions is crucial for emerging digital technologies. Recently, all-optical magnetic switching has been achieved in dielectrics, proving to be faster than traditional methods. Despite this, single-molecu
Externí odkaz:
https://doaj.org/article/8110d8164b524569846e438b2e862c74
Publikováno v:
Structural Dynamics, Vol 10, Iss 6, Pp 064101-064101-10 (2023)
Accurate computations of experimental observables are essential for interpreting the high information content held within x-ray spectra. However, for complicated systems this can be difficult, a challenge compounded when dynamics becomes important ow
Externí odkaz:
https://doaj.org/article/e5b3474b4d7748b1ac299e2792cf0c6f
Autor:
Christopher J. Milne, Natalia Nagornova, Thomas Pope, Hui-Yuan Chen, Thomas Rossi, Jakub Szlachetko, Wojciech Gawelda, Alexander Britz, Tim B. van Driel, Leonardo Sala, Simon Ebner, Tetsuo Katayama, Stephen H. Southworth, Gilles Doumy, Anne Marie March, C. Stefan Lehmann, Melanie Mucke, Denys Iablonskyi, Yoshiaki Kumagai, Gregor Knopp, Koji Motomura, Tadashi Togashi, Shigeki Owada, Makina Yabashi, Martin M. Nielsen, Marek Pajek, Kiyoshi Ueda, Rafael Abela, Thomas J. Penfold, Majed Chergui
Publikováno v:
Structural Dynamics, Vol 10, Iss 6, Pp 064501-064501-9 (2023)
The evolution of charge carriers in photoexcited room temperature ZnO nanoparticles in solution is investigated using ultrafast ultraviolet photoluminescence spectroscopy, ultrafast Zn K-edge absorption spectroscopy, and ab initio molecular dynamics
Externí odkaz:
https://doaj.org/article/05232b4aacf64feebd0d51544385296e
Autor:
D. Garratt, L. Misiekis, D. Wood, E. W. Larsen, M. Matthews, O. Alexander, P. Ye, S. Jarosch, C. Ferchaud, C. Strüber, A. S. Johnson, A. A. Bakulin, T. J. Penfold, J. P. Marangos
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
A detailed understanding of ultrafast exciton dynamics is crucial for improving the efficiency of organic light-harvesting-devices. Here, the authors track exciton localization on a sub-50 fs timescale in an organic semiconductor using time resolved
Externí odkaz:
https://doaj.org/article/9f3302b1bf2d4ee390e06b0014a3a945
Autor:
Julien Eng, Thomas J. Penfold
Publikováno v:
Communications Chemistry, Vol 4, Iss 1, Pp 1-4 (2021)
The process of thermally activated delayed fluorescence (TADF) converts non-radiative triplet states into emissive singlet states. Herein we outline the fundamentals of TADF, some of the recent progress in understanding the key material properties re
Externí odkaz:
https://doaj.org/article/a49bbcd55a8b40158b433ad78c6e673f
Autor:
Tetsuo Katayama, Thomas Northey, Wojciech Gawelda, Christopher J. Milne, György Vankó, Frederico A. Lima, Rok Bohinc, Zoltán Németh, Shunsuke Nozawa, Tokushi Sato, Dmitry Khakhulin, Jakub Szlachetko, Tadashi Togashi, Shigeki Owada, Shin-ichi Adachi, Christian Bressler, Makina Yabashi, Thomas J. Penfold
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Nonadiabatic excited state processes involve mixing of electronic and nuclear wavefunctions, which are difficult to disentangle. Here the authors explore by time-resolved X-ray absorption near edge structure the wavepacket dynamics of a copper(I)-phe
Externí odkaz:
https://doaj.org/article/7b659fcaa4014ab18013f62558d20657
Autor:
Thomas J. Penfold, Jakub Szlachetko, Fabio G. Santomauro, Alexander Britz, Wojciech Gawelda, Gilles Doumy, Anne Marie March, Stephen H. Southworth, Jochen Rittmann, Rafael Abela, Majed Chergui, Christopher J. Milne
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Metal-oxide nanostructures are used in a range of light-driven applications, yet the fundamentals behind their properties are poorly understood. Here the authors probe photoexcited zinc oxide nanoparticles using time-resolved X-ray spectroscopy, iden
Externí odkaz:
https://doaj.org/article/9471d52e21f84ba386f57838e0b7b505
Publikováno v:
Physical Chemistry Chemical Physics. 25:13325-13334
A deep neural network to convert excited-state molecular dynamics simulations into time-resolved spectroscopic signals is developed. Its potential is demonstrated by probing dynamics of the ring opening of 1,2-dithiane using sulphur K-edge X-ray abso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3dc304537fbdade823cf6f30cb76cb19
https://doi.org/10.1039/d3cp00510k
https://doi.org/10.1039/d3cp00510k