Surpassing 90% Shockley–Queisser <i>V</i><sub>OC</sub> limit in 1.79 eV wide-bandgap perovskite solar cells using bromine-substituted self-assembled monolayers
Zhouyin Wei, Qilin Zhou, Xiuxiu Niu, Shunchang Liu, Zijing Dong, Haoming Liang, Jinxi Chen, Zhuojie Shi, Xi Wang, Zhenrong Jia, Xiao Guo, Renjun Guo, Xin Meng, Yu-Duan Wang, Nengxu Li, Zhiguang Xu, Zaifang Li, Armin G. Aberle, Xinxing Yin, Yi Hou
Abstract
DCB-Br-2 is used as a hole-transporting layer for 1.79 eV wide-bandgap perovskite solar cells. Its stronger interaction with the perovskite and better energy level alignment enable the achievement of a notable V OC of 1.37 V.
Topics & Concepts
MonolayerPerovskite (structure)Materials scienceBromineLimit (mathematics)Band gapOptoelectronicsNanotechnologyChemical engineeringMetallurgyEngineeringMathematicsMathematical analysisPerovskite Materials and ApplicationsConducting polymers and applicationsQuantum Dots Synthesis And Properties