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Title: Characteristics of SnO{sub 2} nanofiber/TiO{sub 2} nanoparticle composite for dye-sensitized solar cells

SnO{sub 2} nanofibers and their composites based photoanodes were fabricated and investigated in the application of dye-sensitized solar cells. The photoanode made of SnO{sub 2}/TiO{sub 2} composites yielded an over 2-fold improvement in overall conversion efficiency. The microstructure of SnO{sub 2} 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 μm) in the composites was derived from time constant in transient photovoltage and photocurrent analysis. These experimental results demonstrate that one-dimensional nanostructured SnO{sub 2}/TiO{sub 2} composites have a great potential for application in solar cells.
Authors:
 [1] ;  [2] ; ;  [3] ; ; ; ; ;  [1] ;  [4]
  1. Center for Advanced Photovoltaics, Department of Electrical Engineering, South Dakota State University, Brookings, SD 57007 (United States)
  2. (United States)
  3. Key Laboratory of Eco-Textiles, Jiangnan University, Ministry of Education, Wuxi 214122 (China)
  4. Department of Mechanical Engineering, North Dakota State University, Fargo, ND 58102 (United States)
Publication Date:
OSTI Identifier:
22493903
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 5; Journal Issue: 6; Other Information: (c) 2015 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COMPOSITE MATERIALS; DIFFUSION LENGTH; DYES; EFFICIENCY; MICROSTRUCTURE; MORPHOLOGY; NANOFIBERS; PHOTOANODES; PHOTOCURRENTS; SCANNING ELECTRON MICROSCOPY; SOLAR CELLS; TIN OXIDES; TITANIUM OXIDES; TRANSIENTS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION