Journal
JOURNAL OF POWER SOURCES
Volume 195, Issue 17, Pages 5806-5809Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2010.03.036
Keywords
Dye-sensitized solar cell; ZnO; Sn-doped; Compact layer
Funding
- Major Project of International Cooperation Exchanges [50620120439, 2006DFB51000]
- National Basic Research Program of China [2007CB936201]
- National Natural Science Foundation of China [10876001, 50872008]
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Sn-doped and undoped ZnO nanoparticles were synthesized by hydrothermal method and their performance as the photoanode of dye-sensitized solar cells (DSSCs) was investigated. Energy dispersive X-ray spectroscopy and X-ray diffraction showed that the Sn had been doped into the ZnO lattice. A red shift of photoluminescence spectra which was induced by Sn doping was observed. The photocurrent density-voltage curves of DSSCs indicated that the efficiency was increased by as high as 140% on bare-FTO substrate and 105% on ZnO compact layer/FTO substrate via Sn doping. Also the effect of the ZnO compact layer was discussed by both of Sn-doped or undoped DSSCs. (C) 2010 Elsevier B.V. All rights reserved.
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