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Double‐Layered Photoanodes from Variable‐Size Anatase TiO 2 Nanospindles: A Candidate for High‐Efficiency Dye‐Sensitized Solar Cells
Author(s) -
Qiu Yongcai,
Chen Wei,
Yang Shihe
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200906933
Subject(s) - dye sensitized solar cell , anatase , energy conversion efficiency , materials science , layer (electronics) , optoelectronics , solar cell , double layer (biology) , nanotechnology , photocatalysis , chemistry , catalysis , biochemistry , electrode , electrolyte
Little and large : A double‐layered photoanode constructed from small and large single‐crystal anatase TiO 2 nanospindles achieves 8.3 % energy‐conversion efficiency in a dye‐sensitized solar cell (see picture). One layer of the double‐layer structure serves mainly to harbor numerous dye molecules, and the other primarily enhances light harvesting by multiple scattering.