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首页> 外文期刊>Organic Electronics >Enhanced performance of inverted perovskite solar cells using solution-processed carboxylic potassium salt as cathode buffer layer
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Enhanced performance of inverted perovskite solar cells using solution-processed carboxylic potassium salt as cathode buffer layer

机译：使用溶液处理的羧酸钾盐作为阴极缓冲层，可增强反向钙钛矿型太阳能电池的性能

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摘要

Using a novel solution-processed carboxylic potassium salt (F-R-COOK) as cathode buffer layer (CBL), a power conversion efficiency (PCE) of 14.37% is obtained, which is more than 51% increase compared with that of the Ag-only device under similar fabrication conditions. The test result of single electron devices and Electrochemical impedance spectroscopy (EIS) measurements demonstrate that the interlayer decreases charge transport resistance. Ultraviolet photoelectron spectroscopy (UPS) measurements are used to study the interfacial effects induced by the new CBL. It is found that F-R-COOK can reduce the work function of the Ag electrode by forming desired interfacial dipoles. Our work indicates the promising applications of F-R-COOK based CBL in perovskite solar cells and may provide some insights into the design and synthesis of new interfacial materials to further improve the device performance.
机译：使用新型溶液处理的羧酸钾盐（FR-COOK）作为阴极缓冲层（CBL），可获得14.37％的功率转换效率（PCE），与纯银相比，功率转换效率提高了51％以上器件在相似的制造条件下。单电子器件和电化学阻抗谱（EIS）测量的测试结果表明，中间层降低了电荷传输电阻。紫外光电子能谱（UPS）测量用于研究新型CBL引起的界面效应。发现F-R-COOK可以通过形成期望的界面偶极来降低Ag电极的功函数。我们的工作表明基于F-R-COOK的CBL在钙钛矿太阳能电池中的应用前景广阔，并可能为新型界面材料的设计和合成提供一些见识，以进一步改善器件性能。

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  • 来源
    《Organic Electronics》 |2017年第6期|97-103|共7页
  • 作者

    Zhao Hu; Jingsheng Miao; Ming Liu; Tingbin Yang; Yongye Liang; Osamu Goto; Hong Meng;

  • 作者单位

    School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;

    School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;

    School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;

    Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen 518055, China;

    Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen 518055, China;

    School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;

    School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen 518055, China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    Perovskite solar cell; Interfacial engineering; Cathode buffer layer; Carboxylic potassium salt;

    机译：钙钛矿太阳能电池;界面工程;阴极缓冲层;羧酸钾盐;

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