Solid-state dye PV cells using inverse opal TiO2 films

A novel approach to increase the efficiency of solid-state Gratzel solar cells is presented. Large surface, titania inverse opal films is prepared, and used in fabricating solid-state dye sensitised organic-inorganic hybrid Gratzel solar cells. The ordered interconnected cavities forming the micropo...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2005-05, Vol.87 (1-4), p.513-519
Main Authors: SOMANI, P. R, DIONIGI, C, MURGIA, M, PALLES, D, NOZAR, P, RUANI, G
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Equipments, installations and applications
Exact sciences and technology
Natural energy
Photovoltaic conversion
Solar cells. Photoelectrochemical cells
Solar energy
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Summary:A novel approach to increase the efficiency of solid-state Gratzel solar cells is presented. Large surface, titania inverse opal films is prepared, and used in fabricating solid-state dye sensitised organic-inorganic hybrid Gratzel solar cells. The ordered interconnected cavities forming the microporous structure allow an easy and desired penetration of both the dye and the solid-state hole conductor material favouring the intimate contact of both these elements through the whole depth of the titania. These cells show much higher efficiency as compared to solid-state Gratzel cells prepared, in twin procedures, by conventional method using nanocrystalline TiO2 films.
ISSN:0927-0248
1879-3398
DOI:10.1016/j.solmat.2004.07.037