钙钛矿太阳能电池中无掺杂聚合物空穴传输材料研究进展OA北大核心CSTPCD

Perovskite solar cells(PSC)based on conventional hole-transporting materials(HTM)have achieved power conversion efficiency of over 25% .However,the dopants with hygroscopic nature are commonly used to increase the hole mobility or the film-forming ability of the HTM,which reduces the stability of devices.To solve this problem,dopant-free polymeric HTM is concerned widely.This feature article summarizes the structure and properties of dopant-free polymeric HTM for efficient PSC in recent years,and analyzes the structure-property relationship,proposes the design principle of efficient dopant-free polymeric HTM structure,and looks forward to the future development trend.