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18 February 2011 Photoelectric properties of a-Si/mesoporous ZnO tandem solar cells
Guizhi Wu, Yue Shen, Wanxi Cheng, Feng Gu, Jiancheng Zhang
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Proceedings Volume 7995, Seventh International Conference on Thin Film Physics and Applications; 79950C (2011) https://doi.org/10.1117/12.888204
Event: Seventh International Conference on Thin Film Physics and Applications, 2010, Shanghai, China
Abstract
Mesoporous nanocrystalline ZnO applied to a-Si/mesoporous tandem solar cell was synthesized through the hydrothermal method. The structures and morphologies were characterized by X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Brunauer-Emmett-Teller (BET) analysis based on the nitrogen adsorption isotherm. The test results indicated that the samples had an average pore size of 17 nm and the BET specific surface area was approximately 37.5 m2/g. The transparent a-Si film on fluorine-tin-oxide (FTO) coated glass was obtained by chemical treatment and was used to structure a-Si/mesoporous ZnO tandem solar cell. Under AM 1.5 irradiation, the a- Si/mesoporous tandem solar cell had an open circuit voltage (Voc) of 560 mV, a short circuit current (Jsc) of 3.61 mA/cm2 and a conversion efficiency of 0.28%. The conversion efficiency of tandem solar cell was improved obviously than that of the transparent a-Si film, which had lost special solar cell properties in chemical processing.
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Guizhi Wu, Yue Shen, Wanxi Cheng, Feng Gu, and Jiancheng Zhang "Photoelectric properties of a-Si/mesoporous ZnO tandem solar cells", Proc. SPIE 7995, Seventh International Conference on Thin Film Physics and Applications, 79950C (18 February 2011); https://doi.org/10.1117/12.888204
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KEYWORDS
Zinc oxide
Tandem solar cells
Amorphous silicon
Solar cells
Dye sensitized solar cells
Solar energy
Transmission electron microscopy
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