Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 164, Issue 1-3, Pages 183-185Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2003.11.020
Keywords
dye-sensitization; photoelectrochernical solar cell; solid-state cell; recombination; nanocrystalline titanium dioxide film
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Dye-sensitized solid-state solar cells have low energy and quantum-conversion efficiencies because of the high recombination rate at the n-type semiconductor/dye/p-type semiconductor interfaces. It is found that the efficiency of dye-sensitized solid-state solar cells with nanocrystalline TiO2 as the n-type material and CuI as the p-type material can be greatly enhanced by the deposition of an ultrathin layer of MgO on the TiO2 crystallites. Mechanism involved is explained. (C) 2004 Elsevier B.V. All rights reserved.
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