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Electrochemical deposition of PbI_2 for perovskite solar cells

机译：钙钛矿太阳能电池的PbI_2的电化学沉积

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摘要

In this work, PbI2 is coated on the TiO2 films via the cost-effective electrochemical deposition method and a MAPbI(3) layer is formed by exposing the deposited PbI2 to CH3NH3I subsequently. The structure, composition and morphology of the deposits are characterized in detail by the measurements of X-ray diffraction, scanning electron microscopy, and energy dispersion spectroscopy, respectively. The results suggest that a high coverage and uniform perovskite layer has been fabricated by virtue of the electrochemical deposition method. The influence of the deposition time in the morphology of the obtained perovskite is investigated and the optical properties of the prepared PbI2 and CH3NH3PbI3 are studied as well. As a result, the assembled perovskite solar cells exhibited a maximum PCE of 6.62% with the corresponding photocurrent of 12.5 mA cm(-2) and open circuit voltage of 0.957 Vat AM 1.5 solar light of 100 mW cm(-2), thus demonstrating the feasible application of electrochemical deposition in perovskite solar cells.
机译：在这项工作中，通过经济有效的电化学沉积方法将PbI2涂覆在TiO2膜上，然后通过将沉积的PbI2随后暴露于CH3NH3I形成MAPbI（3）层。沉积物的结构，组成和形态分别通过X射线衍射，扫描电子显微镜和能量色散光谱的测量来详细表征。结果表明，借助于电化学沉积方法已经制备了高覆盖率和均匀的钙钛矿层。研究了沉积时间对所得钙钛矿形貌的影响，并研究了所制备的PbI2和CH3NH3PbI3的光学性质。结果，组装的钙钛矿太阳能电池最大PCE为6.62％，相应的光电流为12.5 mA cm（-2），开路电压为0.957 Vat AM 1.5，太阳光为100 mW cm（-2），从而证明了这一点。电化学沉积在钙钛矿太阳能电池中的可行性应用。

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  • 来源
    《Solar Energy》 |2018年第1期|300-305|共6页
  • 作者

    Li Weixin; Yang Junyou; Jiang Qinghui; Li Ruizhe; Zhao Lei;

  • 作者单位

    Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China;

    Huazhong Univ Sci & Technol, State Key Lab Mat Proc & Die & Mould Technol, 1037 Luoyu Rd, Wuhan 430074, Hubei, Peoples R China;

    Wuhan Univ Sci & Technol, Hubei Prov Key Lab Refractories & Ceram, 947 Heping Ave, Wuhan 430081, Hubei, Peoples R China;

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

    Electrochemical deposition; PbI2; Perovskite; Solar cells;

    机译：电化学沉积;PbI2;钙钛矿;太阳能电池;

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