| Citation: |
Li Yuanjie, Tang Qian, Li Bing, Feng Lianghuan, Zeng Guanggen, Cai Yaping, Zheng Jiagui, Cai Wei, Zhang Jingquan, Li Wei, Lei Zhi, Wu Lili. Preparation and Performance of CdS/CdTe Tandem Solar Cells[J]. Journal of Semiconductors, 2007, In Press.
Li Y J, Tang Q, Li B, Feng L H, Zeng G G, Cai Y P, Zheng J G, Cai W, Zhang J Q, Li W, Lei Z, Wu L L. Preparation and Performance of CdS/CdTe Tandem Solar Cells[J]. Chin. J. Semicond., 2007, 28(5): 722.
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Preparation and Performance of CdS/CdTe Tandem Solar Cells
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Abstract
In order to increase Voc and improve the spectral response of CdS/CdTe solar cells,thus increasing their efficiency,we bring forward a new tandem structure.The top cell consists of thinner CdS/CdTe layers,and the bottom cell structure of thicker CdS/CdTe layers.The total structure is Glass/SnO2/CdS/CdTe/CdS/CdTe/ZnTe:Cu/Ni.The structural properties of the tandem solar cells have been investigated,revealing its different layers and showing that it has Voc of 852mV,Jsc of 13mA/cm2,and FF of 55.2%.The spectral response of the cell is improved,and it is demonstrated to have an efficiency of 8.16% for 0.071cm2 cells.Compared to the ordinary monolayer CdS/CdTe solar cells,the CdS/CdTe tandem solar cells have important value for investigating how to improve CdS/CdTe solar cells’ photovoltaic performance.-
Keywords:
- top cell,
- bottom cell,
- CdS/CdTe tandem solar cell
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