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首页> 外文期刊>ACS applied materials & interfaces >Relationship between Lattice Strain and Efficiency for Sn-Perovskite Solar Cells
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Relationship between Lattice Strain and Efficiency for Sn-Perovskite Solar Cells

机译：晶格应变与Sn-Perovskite太阳能电池效率的关系

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摘要

In the composition of Q(0.1)(FA(0.76)MA(0.25))(0.9)SnI3, Q is replaced with Na+, K+, Cs+, ethylammonium(+) (EA(+)), and butylammonium(+) (BA(+)), respectively, and the relationship between actually measured lattice strain and photovoltaic performances is discussed. The lattice strain evaluated by the Williamson-hall plot of X-ray diffraction data decreased as the tolerance factor was close to diffraction data decreased as the tolerance factor was close to one. The efficiency of the Sn-perovskite solar cell was enhanced as the lattice strain decreased. Among them, EA(0.1)(FA(0.75)MA(0.25))(0.9)SnI3 having lowest lattice strain gave the best result of 5.41%. Because the carrier mobility increased with a decrease in the lattice strain, these lattice strains would disturb carrier mobility and decrease the solar cell efficiency. Finally, the results that the efficiency of the SnGe-perovskite solar cells was gradually enhanced from 6.42 to 7.60% during storage, was explained by the lattice strain relaxation during the storage.
机译：在Q（0.1）的组合物（Fa（0.76）mA（0.25））（0.9）SNI3，Q被Na +，K +，Cs +，乙基铵（+）（EA（+））和丁基铵（+）（讨论了Ba（+）），并且讨论了实际测量的晶格应变和光伏性能之间的关系。随着公差因数接近一个，由于公差因子接近衍射数据而降低的X射线衍射数据的X射线衍射数据的晶片菌株减小。随着晶格应变降低，SN-PEROVSKITE太阳能电池的效率提高了。其中，具有最低晶格菌株的EA（0.1）（FA（0.75）mA（0.25））（0.9）SNI3的最佳结果为5.41％。因为载体迁移率随着晶格菌株的减少而增加，所以这些晶格菌株会使载流子迁移率干扰并降低太阳能电池效率。最后，通过储存期间的晶格应变松弛解释了速度渗透太阳能电池的效率从6.42逐渐增强到7.60％的结果。

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  • 来源
    《ACS applied materials & interfaces》 |2019年第34期|共6页
  • 作者

    Nishimura Kohei; Hirotani Daisuke; Kamarudin Muhammad Akmal; Shen Qing; Toyoda Taro; Iikubo Satoshi; Minemoto Takashi; Yoshino Kenji; Hayase Shuzi;

  • 作者单位

    Univ Electrocommun Fac Informat &

    Engn 1-5-1 Chofugaoka Chofu Tokyo 1828585 Japan;

    Kyushu Inst Technol Grad Sch Life Sci &

    Syst Engn Wakamatsu Ku 2-4 Hibikino Kitakyushu Fukuoka 8080196 Japan;

    Univ Electrocommun Fac Informat &

    Engn 1-5-1 Chofugaoka Chofu Tokyo 1828585 Japan;

    Univ Electrocommun Fac Informat &

    Engn 1-5-1 Chofugaoka Chofu Tokyo 1828585 Japan;

    Univ Electrocommun Fac Informat &

    Engn 1-5-1 Chofugaoka Chofu Tokyo 1828585 Japan;

    Kyushu Inst Technol Grad Sch Life Sci &

    Syst Engn Wakamatsu Ku 2-4 Hibikino Kitakyushu Fukuoka 8080196 Japan;

    Ritsumeikan Univ Fac Sci &

    Engn Dept Elect &

    Elect Engn 1-1-1 Nojihigashi Kusatsu Shiga 5258577 Japan;

    Miyazaki Univ Dept Elect &

    Elect Engn 1-1 Gakuenkibanadainishi Miyazaki Miyazaki 8892192 Japan;

    Univ Electrocommun Fac Informat &

    Engn 1-5-1 Chofugaoka Chofu Tokyo 1828585 Japan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学工业;
  • 关键词

    perovskite solar cells; Pb-free; lattice strain; Sn-perovskite; multi-cation;

    机译：Perovskite太阳能电池;无铅;晶格菌株;SN-PEROVSKITE;多阳离子;

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