期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 62, 期 4, 页码 399-410出版社
ELSEVIER
DOI: 10.1016/S0927-0248(00)00004-0
关键词
TiO2; spectral response; dye-sensitized
Dye-sensitized nanocrystalline TiO2 solar cells (nc-DSCs) are based on a fundamentally different working principle than solar cells based on semiconductors. This could have implications for the characterization of nc-DSCs. In this study a comparison is made between two methods for determination of the spectral response of nc-DSCs. The standard method for determination of the spectral response according to the ASTM E1021-84 norm appears to be valid for the nc-DSC. The response of the solar cell to pulsed irradiation plays an important role in this determination, since pulsed illumination of the solar cell is involved. The response time of the nc-DSC is related to electron trapping in the TiO2 and depends on illumination conditions and also on chemical composition of the cell. For this reason, prior to measurements of spectral response of nc-DSCs, the response time of the cell should be measured under the same illumination conditions that are applied during spectral response measurements. (C) 2000 Elsevier Science B.V. All rights reserved.
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