期刊
AIP ADVANCES
卷 5, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4922626
关键词
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资金
- US-Pakistan joint Science and Technology through National Academy of Science
- National Natural Science Foundation of China [21201083]
- Cooperative Innovation Fund-Prospective Project of Jiangsu Province [BY2014023-29, BY2014023-23]
SnO2 nanofibers and their composites based photoanodes were fabricated and investigated in the application of dye-sensitized solar cells. The photoanode made of SnO2/TiO2 composites yielded an over 2-fold improvement in overall conversion efficiency. The microstructure of SnO2 nanofibers was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM). A compact morphology of composites was observed using scanning electron microscopy (SEM). A long charge diffusion length (62.42 mu m) in the composites was derived from time constant in transient photovoltage and photocurrent analysis. These experimental results demonstrate that one-dimensional nanostructured SnO2/TiO2 composites have a great potential for application in solar cells. (C) 2015 Author(s).
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