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TiO2 Fibers Enhance Film Integrity and Photovoltaic Performance for Electrophoretically Deposited Dye Solar Cell Photoanodes

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journal contribution
posted on 23.03.2011, 00:00 by Leyla Shooshtari, Masoud Rahman, Fariba Tajabadi, Nima Taghavinia
Nanoparticulated TiO2 fibers as one-dimensional long structures were introduced into TiO2 P25 nanoparticle films using coelectrophoretic deposition. This prevented the usual crack formation occurring in wet coatings, and resulted in less porosity and higher roughness factor of the films that provided more favorable conditions for electron transport. The films used as the photoanode of a dye solar cell (DSC) produced 65% higher photovoltaic efficiency. TiO2 fibers can be excellent binders in single-step, organic-free electrophoretic deposition of TiO2 for DSC photoanode.

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