Layered mesoporous nanostructures for enhanced light harvesting in dye-sensitized solar cells

被引：4
作者：
Liu, Bin [1 ]
Aydil, Eray S. [1 ]
机构：
[1] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
来源：
JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY | 2011年 / 3卷 / 04期
基金：
美国国家科学基金会;
关键词：
electrochemical electrodes; energy harvesting; mesoporous materials; nanoparticles; nanoporous materials; solar cells; ENERGY-CONVERSION-EFFICIENCY; TIO2; FILMS; PHOTOELECTROCHEMICAL CELLS; ZNO NANOCRYSTALLITES; PHOTONIC CRYSTALS; PERFORMANCE; TITANIA; ELECTRODES; NANOWIRES; ARRAYS;
D O I：
10.1063/1.3615641
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Incident-photon-to-current-conversion efficiency of TiO(2) photoanodes is increased significantly in the visible and near infrared range of the electromagnetic spectrum by assembling films that are structured on both micrometer and nanometer length scales. Photoanodes assembled from alternating layers of TiO(2) nanoparticles and mesoporous TiO(2) microspheres increase the overall power conversion efficiencies of dye-sensitized solar cells by as much as 26%. This increase is due to enhanced light scattering by porous TiO(2) microspheres and is achieved without sacrificing the specific surface area. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3615641]
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页数：10
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