Transparent Conducting Oxide-Free Dye-Sensitized Solar Cells Based Solely on Flexible Foils

Autor(es)

Bonilha, Caio ^[1] ; Benedetti, Joao E. ^[2] ; Nogueira, Ana F. ^[2] ; Goncalves, Agnaldo de Souza ^[1]

Afiliação do(s) autor(es)

^[1] Tezca Res & Dev Solar Cells Ltd, BR-13087548 Campinas, SP - Brazil

^[2] Univ Campinas UNICAMP, Inst Chem, Lab Nanotechnol & Solar Energy, BR-13083970 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Industrial & Engineering Chemistry Research; v. 51, n. 28, p. 9700-9703, JUL 18 2012.
• Citações Web of Science: 5

Resumo

Flexible, lightweight transparent conducting oxide-free dye-sensitized solar cells were assembled by using metal foils for constructing both electrodes. Because of the opacity of metal foils, a different architecture was employed to allow the illumination of the photoelectrode (PE). Thousands of micrometer-sized through holes were laser-drilled into one of the metal foils employed as PE substrate, providing an ionic pathway to the counter-electrode (CE). Larger hole diameters provided higher fill factor (FF) values. Higher performances were achieved by improving porous TiO2 layer deposition and electrolyte injection, along with a TiO2 blocking layer (BL) and metal foil surface treatment. (AU)

• Processo FAPESP: 09/53726-3 - Avaliação da tecnologia e aplicação de células solares de TIO2/corante
• Beneficiário: Agnaldo de Souza Gonçalves
• Modalidade de apoio: Auxílio à Pesquisa - Pesquisa Inovativa em Pequenas Empresas - PIPE