Structured Perovskite Light Absorbers for Efficient and Stable Photovoltaics.,Advanced Materials

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Structured Perovskite Light Absorbers for Efficient and Stable Photovoltaics.
Advanced Materials ( IF 27.4 ) Pub Date : 2020-05-18 , DOI: 10.1002/adma.201903937
Tingwei He ₁ , Yuanzhi Jiang ₁ , Xiangyu Xing ₁ , Mingjian Yuan ₁

Affiliation

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.

中文翻译：

结构化的钙钛矿吸光剂，用于高效稳定的光伏。

有机-无机杂化卤化钙钛矿材料（ABX ₃由于其令人印象深刻的光学和电学特性，在光伏领域引起了广泛的关注。但是，钙钛矿型光伏产品的商业化仍存在障碍，例如稳定性差，滞后性和对人体的毒性。现场阳离子工程技术被认为是调整钙钛矿结构及其光电性能的强大工具。根据A位阳离子的选择和组合，可以形成三种钙钛矿结构，即3D钙钛矿，降维（2D /准2D）钙钛矿和2D / 3D杂化钙钛矿。本文总结了这三种钙钛矿结构所带来的显着突破，并突出了它们相应的特性和特征以及它们的固有缺点。

更新日期：2020-07-01

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