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Effect of Mg doping on Cu_2ZnSnS_4 solar cells prepared by DMF-based solution method

机译：Mg掺杂对DMF基溶液法制备Cu_2ZNS_4太阳能电池的影响

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摘要

In this paper, magnesium was successfully introduced into CZTS using the DMF-based solution method, and CZMTS solar cell was prepared. The effects of Mg doping on the morphology, crystal structure, and electronic properties of the CZTS absorber were investigated in detail. The crystal structure of the CZMTS absorber and the chemical valence states of the other elements (Cu, Zn, Sn, and S) were not changed as shown by XRD, Raman, and XPS analyses. The results show that Mg doping can improve the electronic properties and microstructure of CZTS absorbers, thus enhancing the PCE from 2.91% to 4.10%. This performance enhancement is associated with good crystal quality, reduced cation-disordering defects, and high external quantum efficiency at the longwave region caused less recombination and open circuit voltage loss. Therefore, Mg doping has a positive effect on improving the performance of CZTS solar cells.
机译：本文使用基于DMF的溶液方法成功地将镁成功引入CZTS中，并制备CZMTS太阳能电池。 详细研究了MG掺杂对CZTS吸收剂的形态，晶体结构和电子性质的影响。 如XRD，拉曼和XPS分析所示，不改变CZMTS吸收剂和其他元素（Cu，Zn，Sn和S）的化学价态的晶体结构。 结果表明，Mg掺杂可以改善CZTS吸收剂的电子性质和微观结构，从而将PCE增强为2.91％至4.10％。 这种性能增强与良好的晶体质量，降低的阳离子排放缺陷和龙波区域的高外部量子效率相关联，导致重组和开路电压损失的高外部量子效率。 因此，Mg掺杂对改善CZTS太阳能电池的性能具有积极影响。

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  • 来源
    《Optical Materials》 |2021年第7期|111211.1-111211.8|共8页
  • 作者

    Wang Yunpeng; Hao Ruiting; Guo Jie; Li Xiaoming; Fang Shuiliu; Liu Huimin; Sun Shuaihui;

  • 作者单位

    Yunnan Normal Univ Sch Energy & Environm Sci Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Sch Energy & Environm Sci Kunming 650092 Yunnan Peoples R China|Yunnan Normal Univ Yunnan Key Lab Optoelect Informat Technol Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Sch Energy & Environm Sci Kunming 650092 Yunnan Peoples R China|Yunnan Normal Univ Yunnan Key Lab Optoelect Informat Technol Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Sch Energy & Environm Sci Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Yunnan Key Lab Optoelect Informat Technol Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Yunnan Key Lab Optoelect Informat Technol Kunming 650092 Yunnan Peoples R China;

    Yunnan Normal Univ Yunnan Key Lab Optoelect Informat Technol Kunming 650092 Yunnan Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Solar cell; CZMTS; Mg doping; Solution method; Kesterite;

    机译：太阳能电池;CZMTS;Mg掺杂;溶液方法;酯矿石;

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