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Optimizing the Energy Offset between Dye and Hole-Transporting Material in Solid-State Dye-Sensitized Solar Cells

Abstract:

The power-conversion efficiency of solid-state dye-sensitized solar cells can be optimized by reducing the energy offset between the highest occupied molecular orbital (HOMO) levels of dye and hole-transporting material (HTM) to minimize the loss-in-potential. Here, we report a study of three novel HTMs with HOMO levels slightly above and below the one of the commonly used HTM 2,2′,7,7′- tetrakis(N,N-di-p-methoxyphenylamino)-9,9′- spirobifluorene (spiro-OMeTAD) to systematically explore this ...

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Publication status:
Published

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Publisher copy:
10.1021/jp405734f

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
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Journal:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume:
117
Issue:
39
Pages:
19850-19858
Publication date:
2013-10-03
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
URN:
uuid:22020ae6-a856-4702-9131-502517ee3873
Source identifiers:
435210
Local pid:
pubs:435210
Language:
English

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