Can the efficiencies of simplified perovskite solar cells go higher?  

作　　者：Jin-Feng Liao Wenhuai Feng Jun-Xing Zhong Bing-Xin Lei Wu-Qiang Wu 

机构地区：[1]Key Laboratory of Bioinorganic and Synthetic Chemistry(MOE),School of Chemistry,Sun Yat-sen University,Guangzhou 510275,Guangdong,China [2]School of Chemistry and Chemical Engineering,Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan Province,Hainan Normal University,Haikou 571158,Hainan,China

出　　处：《Journal of Energy Chemistry》2021年第7期33-36,共4页能源化学（英文版）

基　　金：financial support from the Guangdong Basic and Applied Basic Research Foundation(2019A1515110770);financial support from the National Natural Science Foundation of China(No.21965013)。

摘　　要：In recent years, metal halide perovskites have emerged as star semiconducting materials in the field of optoelectronic devices owing to their fascinating optoelectronic properties. Of particular interest are perovskite solar cells (PSCs), which have witnessed skyrocketing power conversion efficiencies (PCEs) within a short period of time, and were recently certified to reach 25.5%, which is already higher than other thin film photovoltaic technologies[1]. Nevertheless, multiple layers are still needed for state-of-theart PSCs to achieve high PCEs over 21%.

关 键 词：Perovskite solar cells Charge extraction Charge recombination Interfacial modification Energy level alignment 

分 类 号：TM914.4[电气工程—电力电子与电力传动] TB34[一般工业技术—材料科学与工程]