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Effects of substrate orientation and solution movement in chemical bath deposition on Zn(O,S) buffer layer and Cu(In,Ga)Se-2 thin film solar cells

机译:玉米碱取向和溶液运动在Zn(o,S)缓冲层和Cu(Ga)Se-2薄膜太阳能电池上的化学浴沉积中的影响

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摘要

With a colloid aggregation process, chemical bath deposited (CBD) Zn(O,S) thin films always consist of many particles or clusters on the surface and their removal is a long-standing problem. In this work, by varying the substrate orientations and solution movements, their effects on the quality of the Zn(O,S) layers, the formed junctions, and the performance of the Zn(O,S)-Cu(In,Ga)Se-2 (CIGS) solar cells have been systematically investigated. Unlike CBD-CdS growth for which stirring or rocking the solution is a common and useful practice for improved quality, surprisingly, for CBD-Zn(O,S) growth, solution movement plays a primary role and substrate orientation plays a secondary role to influence the film quality and the device performance. Equally surprising, the above effects strongly depend on the recipes and chemicals used for the CBD process. It has been identified that, independent of recipes, depositing Zn(O,S) films with the substrate inclined in a static solution can minimize the formation of particles/clusters, generate homogeneous and high quality buffer layers on CIGS with the best device performance. Disturbing the CBD solution would in general introduce large particles/clusters to adsorb on the Zn(O,S) films, leading to degraded junction quality, strong light soaking effect, and poor device performance.
机译:对于胶体聚集过程,沉积的化学浴(CBD)Zn(O,S)薄膜总是由表面上的许多颗粒或簇组成,并且它们的去除是一个长期问题。在这项工作中,通过改变基板取向和溶液运动,它们对Zn(O,S)层,所形成的结和Zn(o,s)-cu(oin,ga)的性能的影响SE-2(CIGS)太阳能电池已系统地研究。与搅拌或摇摆的CBD-CDS增长不同,该溶液是一种常见而有用的实践,可提高质量,令人惊讶的是,对于CBD-ZN(O,S)生长,溶液运动起到主要作用,底物取向起到影响的二级作用薄膜质量和器件性能。同样令人惊讶的是,上述效果强烈取决于用于CBD工艺的食谱和化学品。已经确定,独立于配方,用静态溶液倾斜的基板沉积Zn(O,S)膜可以最小化颗粒/簇的形成,在具有最佳器件性能的CIG上产生均匀和高质量的缓冲层。扰乱CBD溶液通常将大的颗粒/簇引入吸附在Zn(O,S)薄膜上的吸附,导致结降低的结质量,强光浸泡效果和差的装置性能。

著录项

  • 来源
    《Nano Energy》 |2019年第2019期|共10页
  • 作者单位

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Shenzhen Univ Coll Mat Sci &

    Engn Shenzhen 518055 Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Fujian Normal Univ Coll Phys &

    Energy Fuzhou 350007 Fujian Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

    Chinese Univ Hong Kong Dept Phys Shatin Hong Kong Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 能源与动力工程;
  • 关键词

    Cu(In; Ga)Se-2; Zn(O; S); CBD recipe; Light-soaking effect;

    机译:Cu(in;ga)se-2;zn(o;s);cbd配方;光浸泡效果;

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