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One-pot easily-processed TiO2 macroporous photoanodes (Ti-HIPE) for dye-sensitized solar cells

Abstract : Macroporous TiO2 photoanodes for Dye-sensitized Solar Cells (DSCs) were synthesized by new one-pot method combining solegel chemistry, emulsion templating and doctor-blade 2D deposition technique. Multi-step deposition followed by annealing at 500 C yielded up to 30-mm thick anatase TiO2 films exhibiting a complex porous structure including micro-, meso- and macropores. After sensitization with a commercial ruthenium dye, the photovoltaic performance of the films in DSCs was related to their structural properties, and their efficiency was compared to those of P25 reference photoanodes. The easily-processed macroporous photoanodes showed encouraging performance, almost reaching 4%, with enhanced light scattering at high wavelengths and improved light-harvesting properties.
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Submitted on : Friday, January 10, 2014 - 1:47:37 PM
Last modification on : Thursday, January 11, 2018 - 6:21:16 AM



Céline M. Leroy, Céline Olivier, Thierry Toupance, Mamatimin Abbas, Lionel Hirsch, et al.. One-pot easily-processed TiO2 macroporous photoanodes (Ti-HIPE) for dye-sensitized solar cells. Solid State Sciences, Elsevier, 2014, 28, pp. 81-89. ⟨10.1016/j.solidstatesciences.2013.12.004⟩. ⟨hal-00926850⟩



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