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Photographic ScienceAdvances in Nanoparticles, J-Aggregates, Dye Sensitization, and Organic Devices$
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Tadaaki Tani

Print publication date: 2011

Print ISBN-13: 9780199572953

Published to Oxford Scholarship Online: January 2012

DOI: 10.1093/acprof:oso/9780199572953.001.0001

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Dye Sensitization for Solar Cells and Color Films

Dye Sensitization for Solar Cells and Color Films

Chapter:
(p.233) 9 Dye Sensitization for Solar Cells and Color Films
Source:
Photographic Science
Author(s):

Tadaaki Tani

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199572953.003.0009

Comparisons in the performance of dye sensitization between color films and dye-sensitized solar cells are made to indicate the subjects to be examined for enhancing the capability of the latter. They include improvement in light absorbance of dyes, enhancement of adsorptivity of dyes to TiO2, evaluation of quantum yield and reduction of rearrangement energy of Marcus theory for the electron transfer from excited dye molecules to TiO2. The progress in the electron transfer mechanism of dye sensitization in color films is analyzed and compared with that in dye-sensitized solar cells, revealing the similarity and difference, the latter of which includes the contribution of J-aggregates to the former and that of “hot” electrons to the latter.

Keywords:   dye sensitization, sensitizing dye, solar cell, titanium dioxide, electron transfer, rearrangement energy

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