Solution processed nano-ZnMgO interfacial layer for highly efficient inverted perovskite solar cells  

作　　者：Ze Wang Yingdong Xia Lingfeng Chao Yufeng Pan Meijin Li Renzhi Li Bin Du Yonghua Chen Wei Huang 

机构地区：[1]Key Laboratory of Flexible Electronics (KLOFE) & Institution of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NJTECH) [2]Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU) [3]Key Laboratory for Organic Electronics & Information Displays (KLOEID), and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications

出　　处：《Journal of Energy Chemistry》2019年第1期107-110,共4页能源化学（英文版）

基　　金：financially supported by the National Basic Research Program of China, Fundamental Studies of Perovskite Solar Cells (Grant 2015CB932200);the Natural Science Foundation of China (Grants 51602149 and 61705102);Natural Science Foundation of Jiangsu Province, China(Grants BK20161011 and BK20161010);Young 1000 Talents Global Recruitment Program of China;Jiangsu Specially-Appointed Professor program;"Six talent peaks" Project in Jiangsu Province, China;Startup from Nanjing Tech University

摘　　要：Interfacial layer has a significant impact on the achievement of highly efficient organic–inorganic hybrid perovskite solar cells(PSCs). Here, we introduced a nano-ZnMgO(magnesium doped ZnO, abbreviated as ZnMgO) as interfacial layer between [6, 6]-Phenyl C_(61) butyric acid methyl ester(PC_(61) BM) layer and Al electrode to replace LiF or ZnO interlayer and enhance device performance. The device efficiency has been improved from 11.43% to 15.61% and the hysteresis was decreased dramatically. Such huge enhancement of power convert efficiency(PCE) can be attributed to the low dark current density, enhancement of electron-selective contact, and low energy barrier at the PC_(61) BM/Al interface. We suggest that this simple nano-scale interlayer can provide an efficient charge transport and extraction for highly efficient PSCs.Interfacial layer has a significant impact on the achievement of highly efficient organic–inorganic hybrid perovskite solar cells(PSCs). Here, we introduced a nano-ZnMgO(magnesium doped ZnO, abbreviated as ZnMgO) as interfacial layer between [6, 6]-Phenyl C_(61) butyric acid methyl ester(PC_(61) BM) layer and Al electrode to replace LiF or ZnO interlayer and enhance device performance. The device efficiency has been improved from 11.43% to 15.61% and the hysteresis was decreased dramatically. Such huge enhancement of power convert efficiency(PCE) can be attributed to the low dark current density, enhancement of electron-selective contact, and low energy barrier at the PC_(61) BM/Al interface. We suggest that this simple nano-scale interlayer can provide an efficient charge transport and extraction for highly efficient PSCs.

关 键 词：Nano-ZnMgO INTERFACIAL layer High efficiency PEROVSKITE solar cells 

分 类 号：O4[理学—物理]