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Efficient Flexible Perovskite Solar Cells Using Low-Cost Cu Top and Bottom Electrodes

机译：使用低成本Cu顶部和底部电极的高效柔性Perovskite太阳能电池

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摘要

Perovskite solar cells (PSCs) are promising technology for flexible photovoltaic applications because of the low cost and good flexibility of the halide perovskite materials. Nevertheless, the use of transparent conductive oxides (TCOs) and noble metals (e.g., Au and Ag) as PSC electrodes is very costly, and TCOs are too brittle for flexible applications. How to fabricate flexible PSCs (FPSCs) with cost-effective and soft electrode materials remains to be a big challenge. Herein, we report the first study of FPSCs using low-cost Cu electrodes. Both the transparent bottom electrode and the opaque top electrode are fabricated with Cu. FPSCs made with such Cu electrodes acquire a champion efficiency of 13.58% (J(sc) of 17.79 mA cm(-2), V (o)(c) of 1.031 V-,V- and FF of 74.07%), which retains over 90% after 1000 cycles of bending at a small radius of curvature of 5 mm. The device shows negligible changes in V-oc and FF after storage for 10 weeks without encapsulation.
机译：Perovskite太阳能电池（PSC）是柔性光伏应用的有前途的技术，因为卤化物钙钛矿材料的成本低，良好的灵活性。 然而，作为PSC电极的透明导电氧化物（TCOS）和贵金属（例如，Au和Ag）的使用非常昂贵，并且TCOS对于柔性应用而言太脆。 如何使用具有成本效益和软电极材料制造灵活的PSC（FPSC）仍然是一个大挑战。 在此，我们通过低成本Cu电极报告了对FPSC的第一次研究。 透明底电极和不透明的顶电极都用Cu制造。 用这种Cu电极制成的FPSC获取13.58％（J（SC）的冠军效率为17.79 mA cm（-2），V（o）（c），v（o）（c）为1.031 V-和74.07％），其保留 在5毫米的小半径的弯曲半径的1000周期后超过90％。 该器件在没有封装的情况下，在存储后的10周后，V-OC和FF可以忽略不计。

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  • 来源
    《ACS applied materials & interfaces》 |2020年第23期|共10页
  • 作者

    Li Peng; Wu Zhongwei; Hu Hong; Zhang Yaokang; Xiao Ting; Lu Xi; Ren Zhiwei; Li Gang; Wu Zehan; Hao Jianhua; Zhang Hao-li; Zheng Zijian;

  • 作者单位

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Dept Elect &

    Informat Engn Adv Mat &

    Elect Lab Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Dept Elect &

    Informat Engn Adv Mat &

    Elect Lab Kowloon Hong Kong Peoples R China;

    Hong Kong Polytech Univ Dept Appl Phys Hong Kong Peoples R China;

    Hong Kong Polytech Univ Dept Appl Phys Hong Kong Peoples R China;

    Lanzhou Univ Coll Chem &

    Chem Engn State Key Lab Appl Organ Chem Lanzhou 730000 Peoples R China;

    Hong Kong Polytech Univ Inst Text &

    Clothing Res Ctr Smart Wearable Technol Lab Adv Inteifacial Mat &

    Devices Kowloon Hong Kong Peoples R China;

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

    perovskite solar cells; flexible electronics; TCO-free; Cu; electrode materials;

    机译：Perovskite太阳能电池;柔性电子;无菌;Cu;电极材料;

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