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Impact of Molecular Charge-Transfer States on Photocurrent Generation in Solid State Dye-Sensitized Solar Cells Employing Low-Band-Gap Dyes

Abstract:

"Push-pull" structures have been considered a winning strategy for the design of fully organic molecules as sensitizers in dye-sensitized solar cells (DSSC). In this work we show that the presence of a molecular excited state with a strong charge-transfer character may be critical for charge generation when the total energy of the photoexcitation is too low to intercept accepting states in the TiO2 photoanode. Though hole transfer to the 2,2′,7,7′-tetrakis(N,N-di-p-methoxyphenylamine)-9, 9′-s...

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Publication status:
Published

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Publisher copy:
10.1021/jp5000667

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Publisher:
American Chemical Society
Journal:
JOURNAL OF PHYSICAL CHEMISTRY C
Volume:
118
Issue:
30
Pages:
16825-16830
Publication date:
2014-07-31
DOI:
EISSN:
1932-7455
ISSN:
1932-7447
URN:
uuid:ab899f30-176b-4b02-aac3-364af4fdaac4
Source identifiers:
480665
Local pid:
pubs:480665
Language:
English

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