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Advances in Lead-Free Perovskite Single Crystals: Fundamentals and Applications
ACS Materials Letters ( IF 11.4 ) Pub Date : 2021-06-21 , DOI: 10.1021/acsmaterialslett.1c00242
Naveen Kumar Tailor 1 , Shaoni Kar 1 , Pranjal Mishra 2 , Albert These 3 , Christian Kupfer 3 , Hanlin Hu 4 , Muhammad Awais 5 , Makhsud Saidaminov 5 , M. Ibrahim Dar 6 , Christoph Brabec 3 , Soumitra Satapathi 1
Affiliation  

With rapid progress in the deployment of metal halide perovskites in various device applications such as solar cells, light-emitting devices, field-effect transistors, photodetectors, etc., the next eminent focus is on the single crystals of these materials. With a lack of grain boundaries and low trap densities, remarkably long charge carrier diffusion lengths, and high ambient and operational stabilities, this class of materials seems greatly promising. Yet, the growing concern for lead toxicity in commercial semiconductor devices has entailed a thrust in the research of alternative lead-free perovskites, including their single crystalline forms. However, there is still no consolidated account of the state-of-the-art in this domain and accordingly, countless feasible systems still remain unexplored. To bridge this gap, we attempt to provide here, an up-to-date overview of lead-free perovskite single crystals with respect to their synthesis methods, structural diversity, stability, photophysical and electrical properties, and device applications. We discuss various approaches to designing, modeling, fabricating, and characterizing new single-crystal systems and conclude with some critical insights for further investigating this field of research.

中文翻译:

无铅钙钛矿单晶的进展:基础和应用

随着金属卤化物钙钛矿在太阳能电池、发光器件、场效应晶体管、光电探测器等各种器件应用中的快速发展,下一个重点是这些材料的单晶。由于缺乏晶界和低陷阱密度、显着长的电荷载流子扩散长度以及高环境和操作稳定性,这类材料似乎很有前途。然而,对商用半导体器件中铅毒性的日益关注已经推动了替代无铅钙钛矿的研究,包括它们的单晶形式。然而,在这个领域仍然没有最先进的综合账户,因此,无数可行的系统仍然有待探索。为了弥合这一差距,我们试图在这里提供,关于无铅钙钛矿单晶的合成方法、结构多样性、稳定性、光物理和电学特性以及器件应用的最新概述。我们讨论了设计、建模、制造和表征新单晶系统的各种方法,并以一些重要的见解作为结论,以进一步研究这一研究领域。
更新日期:2021-07-05
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