期刊
MATERIALS LETTERS
卷 76, 期 -, 页码 215-218出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2012.02.110
关键词
SnO2; Zn2SnO4; Composite materials; Solar energy materials
资金
- National Natural Science Foundation of China [51072062]
- Research Fund for the Doctoral Program of Higher Education [20100142110016]
- Fundamental Research Funds for the Central Universities [2010ZD014]
- Ministry of Education of China [707044]
Ternary oxide Zn2SnO4 was successfully introduced to SnO2 hierarchical microsphere photoanode for dye-sensitized solar cells by spin-coating method. Zn2SnO4 nanoparticles with average size of 20 nm modified the SnO2 hierarchical microsphere film uniformly and sufficiently. The shell of Zn2SnO4 nanoparticles plays an important role in resisting acid etchant and suppressing the recombination of conduction band electrons with the oxidized dye. Benefiting from the advantages of both constituents, the composite photoanode exhibits an improved chemical stability and good photoelectric properties in contrast with bare SnO2 nanostructures. (C) 2012 Elsevier B.V. All rights reserved.
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