Istituto per lo Studio dei Materiali Nanostrutturati     
Somani P., Dionigi C., Murgia M., Palles D., Nozar P., Ruani G. Solid-state dye PV cells using inverse opal TiO2 films. In: Solar Energy Materials and Solar Cells, vol. 87 pp. 513 - 519. Elsevier B.V, 2005.
A novel approach to increase the efficiency of solid-state Gratzel solar cells is presented. Large surface, titania inverse opal films are 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.
DOI: http://dx.doi.org/10.1016/j.solmat.2004.07.037
Subject Dye solar cells
Inverse opal
Conjugated molecule hole conductor

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