期刊
ADVANCED MATERIALS
卷 23, 期 47, 页码 5624-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201103591
关键词
photonic crystals; dye-sensitized solar cells; TiO2 nanotubes; electrochemical anodization
类别
资金
- Research Grants Council of the Hong Kong Special Administrative Region [PolyU 5349/10E, PolyU 5187/09E]
- Hong Kong Polytechnic University [A-PJ46]
A TiO2 nanotube layer with a periodic structure is used as a photonic crystal to greatly enhance light harvesting in TiO2 nanotube-based dye-sensitized solar cells. Such a tube-on-tube structure fabricated by a single-step approach facilitates good physical contact, easy electrolyte infiltration, and efficient charge transport. An increase of over 50% in power conversion efficiency is obtained in comparison to reference cells without a photonic crystal layer (under similar total thickness and dye loading).
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