Chapter

Dye Sensitization for Solar Cells and Color Films

Tadaaki Tani

in Photographic Science

Published in print August 2011 | ISBN: 9780199572953
Published online January 2012 | e-ISBN: 9780191731266 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199572953.003.0009
Dye Sensitization for Solar Cells and Color Films

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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

Chapter.  7971 words.  Illustrated.

Subjects: Atomic, Molecular, and Optical Physics

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