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arXiv 2008.08959physics.app-phcond-mat.mtrl-sci
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钙钛矿光电材料--从设计到器件

Perovskite-Inspired Materials for Photovoltaics -- From Design to Devices

Yi-Teng Huang, Sean R. Kavanagh, David O. Scanlon, Aron Walsh, Robert L. Z. Hoye

摘要:

在过去的十年里,卤化铅钙钛矿在光伏发电中的功率转换效率方面表现出惊人的提高。最有效的钙钛矿器件现在优于行业标准的多晶硅太阳能电池,尽管钙钛矿通常使用简单的基于溶液的方法在低温下生长。然而,铅的毒性及其在水中的易溶性是广泛实施的问题。这些挑战,以及钙钛矿的许多成功,已经激励了多个学科的重大努力,以寻找无铅和稳定的替代品,这些替代品可以模仿钙钛矿的能力,以实现低温,简便的制造方法的高性能。本综述讨论了已采取的计算和实验方法来发现无铅钙钛矿启发的材料,以及最近的成功和挑战,在合成这些化合物。讨论了铅卤化物钙钛矿在光伏器件中表现出的非凡性能的原子起源,以及在替代的下一代材料中设计这种高性能的关键挑战。除了光电子学,这篇评论讨论了钙钛矿启发的材料的影响,在刺激努力应用新材料在其他光电应用,即发光二极管,光催化剂,辐射探测器,薄膜晶体管和忆阻器。最后,讨论了该领域在推进钙钛矿材料在商业设备中实现的发展方面所面临的前景和关键挑战。

英文摘要:

Lead-halide perovskites have demonstrated astonishing increases in power conversion efficiency in photovoltaics over the last decade. The most efficient perovskite devices now outperform industry-standard multi-crystalline silicon solar cells, despite the fact that perovskites are typically grown at low temperature using simple solution-based methods. However, the toxicity of lead and its ready solubility in water are concerns for widespread implementation. These challenges, alongside the many successes of the perovskites, have motivated significant efforts across multiple disciplines to find lead-free and stable alternatives which could mimic the ability of the perovskites to achieve high performance with low temperature, facile fabrication methods. This Review discusses the computational and experimental approaches that have been taken to discover lead-free perovskite-inspired materials, and the recent successes and challenges in synthesizing these compounds. The atomistic origins of the extraordinary performance exhibited by lead-halide perovskites in photovoltaic devices is discussed, alongside the key challenges in engineering such high-performance in alternative, next-generation materials. Beyond photovoltaics, this Review discusses the impact perovskite-inspired materials have had in spurring efforts to apply new materials in other optoelectronic applications, namely light-emitting diodes, photocatalysts, radiation detectors, thin film transistors and memristors. Finally, the prospects and key challenges faced by the field in advancing the development of perovskite-inspired materials towards realization in commercial devices is discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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