Organic solar cells(OSCs)have experienced remarkable performance progress up to 20%benchmark power conversion efficiency(PCE)in past years.Considering the<1%initial PCE obtained by OSC decades ago,the milestone of ...Organic solar cells(OSCs)have experienced remarkable performance progress up to 20%benchmark power conversion efficiency(PCE)in past years.Considering the<1%initial PCE obtained by OSC decades ago,the milestone of surpassing 20%efficiency is of great significance.Meanwhile,further performance promotion is urgently required for OsCs as other solution-processable photovoltaic technologies are also competitive.This review article aims to demonstrate a comprehensive summary of recent reports on OSCs with over 20%PCE,delving into key strategies including material innovations,multi-component system construction,deposition protocol optimization,solid/solvent additive engineering,as well as hole/electron transport layer development.In addition,this study identifies the next-stage scientific and technological issues that warrant greater attention.These issues are proposed to drive more prosperous research development,particularly in the field of flexible and wearable power suppliers.展开更多
基金the National Natural Science Foundation of China(52422313 and 52173172)the PolyU Distinguished Postdoctoral Fellowship(1-YW4C)+4 种基金the National Natural Science Foundation of China(22475133,22309119,and 52303226)financially supported by the National Natural Science Foundation of China(52403239)the Sichuan Science and Technology Program(2023YFH0085 and 2023YFH0087)the National Key Laboratory of Advanced Polymer Materials(sklpme 2024-2-15)the Technology Development Program of Jilin Province(YDZJ202201ZYTS640)。
文摘Organic solar cells(OSCs)have experienced remarkable performance progress up to 20%benchmark power conversion efficiency(PCE)in past years.Considering the<1%initial PCE obtained by OSC decades ago,the milestone of surpassing 20%efficiency is of great significance.Meanwhile,further performance promotion is urgently required for OsCs as other solution-processable photovoltaic technologies are also competitive.This review article aims to demonstrate a comprehensive summary of recent reports on OSCs with over 20%PCE,delving into key strategies including material innovations,multi-component system construction,deposition protocol optimization,solid/solvent additive engineering,as well as hole/electron transport layer development.In addition,this study identifies the next-stage scientific and technological issues that warrant greater attention.These issues are proposed to drive more prosperous research development,particularly in the field of flexible and wearable power suppliers.