Harnessing chemical functions of ionic liquids for perovskite solar cells  

作　　者：Fangfang Fan Yalan Zhang Mingwei Hao Feifei Xin Zhongmin Zhou Yuanyuan Zhou 

机构地区：[1]College of Chemistry and Molecular Engineering,Qingdao University of Science and Technology,Qingdao 266042,Shandong,China [2]Department of Physics,Hong Kong Baptist University,Kowloon 999077,Hong Kong,China [3]Smart Society Laboratory,Hong Kong Baptist University,Kowloon 999077,Hong Kong,China

出　　处：《Journal of Energy Chemistry》2022年第5期797-810,共14页能源化学（英文版）

基　　金：financial support from the Taishan Scholars Project of Shandong Province (201909121);the start-up grants, Initiation Grant - Faculty Niche Research Areas (IG-FNRA) 2020/21 and Interdisciplinary Matching Scheme 2020/21 of the Hong Kong Baptist University (HKBU) and the Early Career Scheme (22300221) from the Hong Kong Research Grant Council;the support of the Hong Kong Ph D Fellowship Scheme。

摘　　要：The remarkable ramping of record power conversion efficiencies in perovskite solar cells(PSCs) has stimulated the growth of this technology towards commercialization. However, there remain challenges and opportunities for further improving their efficiency and stability. Featuring the variety of functional group in the constituting ions, ionic liquids(ILs) exhibit versatile properties and functions that can be leveraged to the development of improved PSCs. Herein with a systematic review on the recent progress in the application of ILs to PSCs, we show that based on the different roles of ILs in the film and device settings, IL can facilitate the thin-film synthesis of perovskites, improve the properties of chargetransport layers, and ameliorate the interfacial energetics at device interfaces. In particular, the ILsperovskite interactions of two different types(Lewis acid-base interaction and hydrogen bonding) are the essential chemistries underpinning observed efficiency and stability improvements in PSCs, which represent a vast research paradigm in the field of energy chemistry.

关 键 词：Ionic liquid Chemical interaction Perovskite solar cells Efficiency Stability 

分 类 号：TM914.4[电气工程—电力电子与电力传动]