Zobrazeno 1 - 10
of 281
pro vyhledávání: '"Neil C. Greenham"'
Autor:
Kyung Mun Yeom, Changsoon Cho, Eui Hyuk Jung, Geunjin Kim, Chan Su Moon, So Yeon Park, Su Hyun Kim, Mun Young Woo, Mohammed Nabaz Taher Khayyat, Wanhee Lee, Nam Joong Jeon, Miguel Anaya, Samuel D. Stranks, Richard H. Friend, Neil C. Greenham, Jun Hong Noh
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-9 (2024)
Abstract Efficient photovoltaic devices must be efficient light emitters to reach the thermodynamic efficiency limit. Here, we present a promising prospect of perovskite photovoltaics as bright emitters by harnessing the significant benefits of photo
Externí odkaz:
https://doaj.org/article/cbfcf6c22ff34b919b88ba4f0e0cc3b8
Publikováno v:
Light: Science & Applications, Vol 12, Iss 1, Pp 1-11 (2023)
Abstract Understanding and control of ultrafast non-equilibrium processes in semiconductors is key to making use of the full photon energy before relaxation, leading to new ways to break efficiency limits for solar energy conversion. In this work, we
Externí odkaz:
https://doaj.org/article/9a5dc12f0e5148e5b562a90980439e8d
Autor:
Alexander J. Gillett, Claire Tonnelé, Giacomo Londi, Gaetano Ricci, Manon Catherin, Darcy M. L. Unson, David Casanova, Frédéric Castet, Yoann Olivier, Weimin M. Chen, Elena Zaborova, Emrys W. Evans, Bluebell H. Drummond, Patrick J. Conaghan, Lin-Song Cui, Neil C. Greenham, Yuttapoom Puttisong, Frédéric Fages, David Beljonne, Richard H. Friend
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)
A low singlet-triplet energy gap, necessary for delayed fluorescence organic semiconductors, results in a small radiative rate that limits performance in OLEDs. Here, the authors show that it is possible to reconcile these conflicting requirements in
Externí odkaz:
https://doaj.org/article/bd8a83606fc241bd8c37e389dfb950d6
Autor:
Patrick J. Conaghan, Campbell S. B. Matthews, Florian Chotard, Saul T. E. Jones, Neil C. Greenham, Manfred Bochmann, Dan Credgington, Alexander S. Romanov
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Realizing efficient blue-emitting organic light-emitting diodes (OLEDs) with long operational lifetime is key to the development of future display technologies. Here, the authors report efficient host-guest and host-free OLEDs featuring designed carb
Externí odkaz:
https://doaj.org/article/03b24cd24ee6404dbeae6135755d6da5
Autor:
Changsoon Cho, Baodan Zhao, Gregory D. Tainter, Jung-Yong Lee, Richard H. Friend, Dawei Di, Felix Deschler, Neil C. Greenham
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Perovskite light-emitting diodes have shown unexpected high external quantum efficiency of 20%, breaking the ray-optics limit. Here Cho et al. reveal that photon recycling is responsible for the enhancement and propose photonic structures to further
Externí odkaz:
https://doaj.org/article/3893c25dfeda4e6388958af10e97ee7e
Autor:
Christoph Schnedermann, Antonios M. Alvertis, Torsten Wende, Steven Lukman, Jiaqi Feng, Florian A. Y. N. Schröder, David H. P. Turban, Jishan Wu, Nicholas D. M. Hine, Neil C. Greenham, Alex W. Chin, Akshay Rao, Philipp Kukura, Andrew J. Musser
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-11 (2019)
Ultrafast photo-induced processes in complex systems require theoretical models and their experimental validation which are still lacking. Here the authors investigate singlet fission in a pentacene dimer by a combined experimental and theoretical ap
Externí odkaz:
https://doaj.org/article/91ade0804550473f83704827280ca13a
Autor:
Changsoon Cho, Neil C. Greenham
Publikováno v:
Advanced Science, Vol 8, Iss 4, Pp n/a-n/a (2021)
Abstract Compared to organic emitters, perovskite materials generally have a small Stokes shift and correspondingly large re‐absorption of dipole emission. Classical optical modelling methods ignoring re‐absorption do not provide an adequate desc
Externí odkaz:
https://doaj.org/article/6caab0fceb964b00866a0632b39e9957
Autor:
Steven Lukman, Kai Chen, Justin M. Hodgkiss, David H. P. Turban, Nicholas D. M. Hine, Shaoqiang Dong, Jishan Wu, Neil C. Greenham, Andrew J. Musser
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-13 (2016)
The understanding of how a singlet exciton separates into triplet states in organic semiconductors is crucial to the design of efficient organic solar cells. Here, Lukmanet al. identify the role played by charge-transfer states during triplet formati
Externí odkaz:
https://doaj.org/article/735cefa1b8c34c43afa8e2f0ae465424
Autor:
Maxim Tabachnyk, Arfa H. Karani, Katharina Broch, Luis M. Pazos-Outón, James Xiao, Tom C. Jellicoe, Jiří Novák, David Harkin, Andrew J. Pearson, Akshay Rao, Neil C. Greenham, Marcus L. Böhm, Richard H. Friend
Publikováno v:
APL Materials, Vol 4, Iss 11, Pp 116112-116112-6 (2016)
Carrier multiplication using singlet exciton fission (SF) to generate a pair of spin-triplet excitons from a single optical excitation has been highlighted as a promising approach to boost the photocurrent in photovoltaics (PVs) thereby allowing PV o
Externí odkaz:
https://doaj.org/article/65f3b4a93db048118c491474d8e7ee4e
Autor:
Ralf Thiedmann, Aaron Spettl, Ole Stenzel, Thomas Zeibig, James C. Hindson, Zineb Saghi, Neil C. Greenham, Paul A. Midgley, Volker Schmidt
Publikováno v:
Image Analysis and Stereology, Vol 31, Iss 1, Pp 27-42 (2012)
The rising global demand in energy and the limited resources in fossil fuels require new technologies in renewable energies like solar cells. Silicon solar cells offer a good efficiency but suffer from high production costs. A promising alternative a
Externí odkaz:
https://doaj.org/article/74ed3cb7e221476fac5d2712b38b8d51