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Structured Perovskite Light Absorbers for Efficient and Stable Photovoltaics

机译:用于高效稳定的光伏光伏的结构化钙钛矿光吸收器

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摘要

Abstract Organic–inorganic hybrid lead‐halide perovskite materials (ABX3) have attracted widespread attention in the field of photovoltaics owing to their impressive optical and electrical properties. However, obstacles still exist in the commercialization of perovskite photovoltaics, such as poor stability, hysteresis, and human toxicity. A‐site cation engineering is considered to be a powerful tool to tune perovskite structures and the resulting optoelectronic properties. Based on the selection and combination of A‐site cations, three types of perovskite structures, i.e., 3D perovskite, reduced‐dimensional (2D/quasi‐2D) perovskite, and 2D/3D hybrid perovskite can be formed. Herein, the remarkable breakthroughs resulting from these three perovskite structures are summarized, and their corresponding properties and characteristics, as well as their intrinsic disadvantages, are highlighted. By summarizing recent research progress, a new viewpoint for improving the performance and stability of perovskite photovoltaics is provided.
机译:摘要有机 - 无机杂交铅卤化卤化物钙钛矿材料(ABX3)由于其令人印象深刻的光学和电气性能而引起了光伏领域的广泛关注。然而,在钙钛矿光伏的商业化中仍存在障碍,例如稳定性,滞后和人类毒性差。 A现场阳离子工程被认为是调整钙钛矿结构和所产生的光电性能的强大工具。基于A现场阳离子的选择和组合,可以形成三种类型的钙钛矿结构,即3D Perovskite,减尺(2D / QUASI-2D)PEROVSKITE和2D / 3D Hybrid Perovskite。这里,总结了这三种钙钛矿结构引起的显着突破,并且它们的相应性质和特性以及其内在缺点是突出显示的。通过总结最近的研究进展,提供了提高钙钛矿光伏性能和稳定性的新观点。

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