Journal
JOURNAL OF POWER SOURCES
Volume 247, Issue -, Pages 249-255Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2013.08.075
Keywords
SnO2 nanoparticle; SnO2-TiO2 junction; In situ; Fiber-shaped dye-sensitized solar cells
Funding
- Ministry of Science and Technology [2011CB933300]
- Ministry of Education of China [20120001140010]
- Beijing city [Z121100001312009]
- National Basic Science Personnel Training Fund (Undergraduate Scientific Research Training)
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SnO2 nanoparticle film is directly prepared by in situ thermal calcining isopropanol solution of tin tetraisopropoxide, and is used to construct the SnO2-TiO2 junction on titanium wire substrate. The titanium wire supported SnO2-TiO2 junction is further applied to fiber-shaped dye-sensitized solar cells (FDSCs). High efficiency of 5.8% (Normal Model) and 12.4% (Diffuse Model) are achieved. Our results indicate that 10, enhancement derived by SnO2-TiO2 junction and the recombination shielding effect of the compact TiO2 film could synergistically contribute to high efficiencies. This study offers a novel and alternative strategy for achieving efficient SnO2-TiO2 junction based solar cells in a facile, scalable and cost-effective way. (C) 2013 Elsevier B.V. All rights reserved.
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