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Volume 29 Issue 2
Feb.  2022

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Jihong Zheng, Liangxin Zhu, Zhitao Shen, Fumin Li, Lanyu Ling, Huilin Li, and Chong Chen, Effects of the incorporation amounts of CdS and Cd(SCN2H4)2Cl2 on the performance of perovskite solar cells, Int. J. Miner. Metall. Mater., 29(2022), No. 2, pp. 283-291. https://doi.org/10.1007/s12613-021-2316-0
Cite this article as:
Jihong Zheng, Liangxin Zhu, Zhitao Shen, Fumin Li, Lanyu Ling, Huilin Li, and Chong Chen, Effects of the incorporation amounts of CdS and Cd(SCN2H4)2Cl2 on the performance of perovskite solar cells, Int. J. Miner. Metall. Mater., 29(2022), No. 2, pp. 283-291. https://doi.org/10.1007/s12613-021-2316-0
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研究论文

钙钛矿活性层添加剂CdS 和 Cd(SCN2H4)2Cl2对钙钛矿太阳能电池性能的影响

文章亮点

  • (1) 通过前驱液共混法在钙钛矿活性层中原位生成CdS:Cd(SCN2H4)2Cl2
  • (2) 研究了 CdS:Cd(SCN2H4)2Cl2对钙钛矿晶体薄膜光电性质的影响。
  • (3) 探究了 CdS:Cd(SCN2H4)2Cl2对钙钛矿电池性能的影响。
  • 制备高质量的钙钛矿薄膜对于高性能的钙钛矿太阳能电池非常重要。然而,钙钛矿晶体中的缺陷会影响钙钛矿太阳能电池的光电转化效率和稳定性。为了解决这个问题,本研究将CdS和络合物Cd(SCN2H4)2Cl2掺入到CH3NH3PbI3活性层中,并进一步分析了CdS和络合物Cd(SCN2H4)2Cl2的不同掺杂浓度对钙钛矿太阳能电池性能和稳定性的影响。结果表明,CdS和Cd(SCN2H4)2Cl2在CH3NH3PbI3中的适当的掺杂浓度可以提高钙钛矿太阳能电池的性能。研究结果发现,CdS和Cd(SCN2H4)2Cl2可以有效降低钙钛矿晶体中的缺陷,减少电池内部的电荷复合,促进电荷在TiO2和钙钛矿界面的分离和输运。同时,由于钙钛矿晶体中缺陷的减少和CdS:Cd(SCN2H4)2Cl2:CH3NH3PbI3体异质结薄膜质量的优化,钙钛矿太阳能电池的稳定性也明显提高。

  • Research Article

    Effects of the incorporation amounts of CdS and Cd(SCN2H4)2Cl2 on the performance of perovskite solar cells

    + Author Affiliations
    • An excellent organolead halide perovskite film is important for the good performance of perovskite solar cells (PSCs). However, defects in perovskite crystals can affect the photovoltaic properties and stability of solar cells. To solve this problem, this study incorporated a complex of CdS and Cd(SCN2H4)2Cl2 into the CH3NH3PbI3 active layer. The effects of different doping concentrations of CdS and Cd(SCN2H4)2Cl2 on the performance and stability of PSCs were analyzed. Results showed that doping appropriate incorporation concentrations of CdS and Cd(SCN2H4)2Cl2 in CH3NH3PbI3 can improve the performance of the prepared solar cells. In specific, CdS and Cd(SCN2H4)2Cl2 can effectively passivate the defects in perovskite crystals, thereby suppressing the charge recombination in PSCs and promoting the charge extraction at the TiO2/perovskite interface. Due to the reduction of perovskite crystal defects and the enhancement of compactness of the CdS:Cd(SCN2H4)2Cl2:CH3NH3PbI3 composite film, the stability of PSCs is significantly improved.

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