Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Elisa Collado-Fregoso"'
Autor:
Eyal BarOr, Lorena Perdigón Toro, Silvina N. Pugliese, Dieter Neher, Mariusz Wojcik, Johannes Benduhn, Koen Vandewal, Donato Spoltore, Justin M. Hodgkiss, Elisa Collado-Fregoso, Ulrich Hörmann
Publikováno v:
Journal of the American Chemical Society. 141:2329-2341
The involvement of charge-transfer (CT) states in the photogeneration and recombination of charge carriers has been an important focus of study within the organic photovoltaic community. In this work, we investigate the molecular factors determining
Autor:
Stefan Zeiske, Tim Erdmann, Johannes Benduhn, Brigitte Voit, Koen Vandewal, Elisa Collado-Fregoso, Stefan C. B. Mannsfeld, Anton Kiriy, Ulrich Hörmann, Sascha Ullbrich, Rishi Shivhare, Mike Hambsch, Dieter Neher, René Hübner
Publikováno v:
Chemistry of Materials 30(2018), 6801-6809
Diketopyrrolopyrrole (DPP)-based donor acceptor copolymers have gained a significant amount of research interest in the organic electronics community because of their high charge carrier mobilities in organic field-effect transistors (OFETs) and thei
Autor:
Martin Heeney, Sebastian Wood, Ji-Seon Kim, Elisa Collado-Fregoso, Jessica Wade, James R. Durrant
Publikováno v:
The Journal of Physical Chemistry C. 121:20976-20985
The performance of organic photovoltaic blend devices is critically dependent on the polymer:fullerene interface. These interfaces are expected to impact the structural and thermal properties of the polymer with regards to the conjugated backbone pla
Autor:
Pierre Boufflet, James R. Durrant, Martin Heeney, Eliot Gann, Zhe Li, Christopher R. McNeill, Shahid Ashraf, Elisa Collado-Fregoso, Zhuping Fei
Publikováno v:
Chemistry of Materials. 27:7934-7944
In this study, we investigate the role of thiophene fluorination in a low-bandgap polymer for organic photovoltaic applications. We use a combined theoretical and experimental approach to investigate charge generation and recombination dynamics, and
Autor:
Mindaugas Kirkus, Hung-Yang Chen, Muhammad Rizwan Niazi, Elisa Collado-Fregoso, Wan Yue, James R. Durrant, Aram Amassian, Iain McCulloch, Syeda Amber Yousaf, Raja Shahid Ashraf, Christian B. Nielsen
Publikováno v:
Advanced Materials. 27:4702-4707
A novel photoactive polymer with two different molecular weights is reported, based on a new building block: thieno[3,2-b][1]benzothiophene isoindigo. Due to the improved crystallinity, optimal blend morphology, and higher charge mobility, solar-cell
Autor:
Iain McCulloch, James R. Durrant, Ivan Kassal, Bob C. Schroeder, Samantha N. Hood, Dieter Neher, Safa Shoaee, Elisa Collado-Fregoso
In this Letter, we study the role of the donor:acceptor interface nanostructure upon charge separation and recombination in organic photovoltaic devices and blend films, using mixtures of PBTTT and two different fullerene derivatives (PC70BM and ICTA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48ef0877b94cb1d060aea35c57718187
https://cronfa.swan.ac.uk/Record/cronfa35633
https://cronfa.swan.ac.uk/Record/cronfa35633
Autor:
Hugo Bronstein, Pabitra Shakya Tuladhar, Weimin Zhang, Zhenggang Huang, James R. Durrant, Elisa Collado Fregoso, Ying Woan Soon, Iain McCulloch, Stoichko D. Dimitrov, Iain Meager
Publikováno v:
J. Mater. Chem. A. 2:19282-19289
Poly-thieno[3,2b]thiophene-diketopyrrolopyrrole-co-thiophene (DPP-TT-T) is a promising low bandgap donor polymer for organic solar cells. In this study we employ two different approaches to improve the device efficiency via optimisation of the morpho
Autor:
Zhenggang Huang, Scott E. Watkins, Iain Meager, James R. Durrant, Hugo Bronstein, Afshin Hadipour, Ying Woan Soon, Elisa Collado-Fregoso, Stoichko D. Dimitrov, Barry P. Rand, Iain McCulloch, Raja Shahid Ashraf, Pabitra Shakya Tuladhar
Publikováno v:
Advanced Functional Materials. 23:5647-5654
The synthesis and characterization four diketopyrrolopyrrole containing conjugated polymers for use in organic photovoltaics is presented. Excellent energy level control is demonstrated through heteroatomic substitution whilst maintaining similar sol
Autor:
Zhe Li, Thomas D. Anthopoulos, Christian B. Nielsen, Hongliang Zhong, Elisa Collado Fregoso, Stephan Rossbauer, Nir Yaacobi-Gross, Martin Heeney, Munazza Shahid, James R. Durrant, Florent Deledalle, Zhuping Fei
Publikováno v:
Journal of the American Chemical Society. 135:2040-2043
We report the synthesis of a novel ladder-type fused ring donor, dithienogermolodithiophene, in which two thieno[3,2-b]thiophene units are held coplanar by a bridging dialkyl germanium. Polymerization of this extended monomer with N-octylthienopyrrol
Publikováno v:
The Journal of Physical Chemistry A. 111:6241-6247
Although the late (t1 ps) photoisomerization steps in Schiff bases have been described in good detail, some aspects of the ultrafast (sub-100 fs) proton transfer process, including the possible existence of an energy barrier, still require experiment