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首页> 外文期刊>Journal of power sources >Electrodeposition of organic-inorganic tri-halide perovskites solar cell
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Electrodeposition of organic-inorganic tri-halide perovskites solar cell

机译：有机-无机三卤化物钙钛矿太阳能电池的电沉积

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摘要

Perovskite (CH3NH3PbI3) semiconductor materials are promising high-performance light energy absorber for solar cell application. However, the power conversion efficiency of perovskite solar cell is severely affected by the surface quality of the deposited thin film. Spin coating is a low-cost and widely used deposition technique for perovskite solar cell. Notably, film deposited by spin coating evolves surface hydroxide and defeats from uncontrolled precipitation and inter-diffusion reaction. Alternatively, vapor deposition (VD) method produces uniform thin film but requires precise control of complex thermodynamic parameters which makes the technique unsuitable for large scale production. Most deposition techniques for perovskite require tedious surface optimization to improve the surface quality of deposits. Optimization of perovskite surface is necessary to significantly improve device structure and electrical output. In this review, electrodeposition of perovskite solar cell is demonstrated as a scalable and reproducible technique to fabricate uniform and smooth thin film surface that circumvents the need for high vacuum environment. Electrodeposition is achieved at low temperatures, supports precise control and optimization of deposits for efficient charge transfer.
机译：钙钛矿（CH3NH3PbI3）半导体材料是有前途的高性能光能吸收剂，可用于太阳能电池。然而，钙钛矿太阳能电池的功率转换效率受到沉积的薄膜的表面质量的严重影响。旋涂是钙钛矿太阳能电池的一种低成本且广泛使用的沉积技术。值得注意的是，通过旋涂沉积的膜释放出表面氢氧化物，并由于不受控制的沉淀和相互扩散反应而失效。另外，气相沉积（VD）方法可产生均匀的薄膜，但需要精确控制复杂的热力学参数，这使该技术不适合大规模生产。大多数钙钛矿的沉积技术都需要繁琐的表面优化，以提高沉积物的表面质量。钙钛矿表面的优化对于显着改善器件结构和电输出是必要的。在这篇综述中，钙钛矿太阳能电池的电沉积被证明是一种可扩展且可复制的技术，用于制造均匀，光滑的薄膜表面，从而避免了对高真空环境的需求。电沉积是在低温下实现的，支持精确控制和优化沉积，以实现有效的电荷转移。

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