期刊
ELECTROCHIMICA ACTA
卷 94, 期 -, 页码 34-37出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.01.099
关键词
Solid-state dye-sensitized solar cell; Dense layer; Porous layer; p-Type semiconductor; D-358 dye
资金
- National Science Foundation of Sri Lanka
This paper describes the preparation and characterization of FTO/TiO2 dense layer/ZnO nanoporous layer/D-358 Dye/CuI hole collector/Cr-coated FTO and FTO/ZnO dense layer/ZnO nanoporous layer/D-358 Dye/CuI hole collector/Cr-coated FTO dye-sensitized solid-state solar cells. The variations of the solar cell parameters on the thickness of the TiO2 or ZnO dense layer are described. As the thickness (and hence the sheet resistance) of the TiO2 dense layer is increased, the conversion efficiency is gradually increased up to 2.6% at a sheet resistance of 370.0 Omega/square and beyond which it decreases. At this optimum thickness of the TiO2 dense layer, the best conversion efficiency is obtained when the thickness of the ZnO nanoporous layer is 15 mu m. Use of ZnO dense layer instead of TiO2 dense layer also shows the similar trend of variation of solar cell parameters as the thickness of the dense layer is increased. The best conversion efficiency of 3.2% is obtained when the sheet resistance of the ZnO dense layer is 2500 Omega/square and the thickness of the ZnO porous layer is 15 mu m. (C) 2013 Elsevier Ltd. All rights reserved.
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