Constructing an n/n<sup>+</sup> homojunction in a monolithic perovskite film for boosting charge collection in inverted perovskite photovoltaics
Yan-Na Lu, Jun‐Xing Zhong, Yinye Yu, Xi Chen, Chan‐Ying Yao, Chengxi Zhang, Meifang Yang, Wenhuai Feng, Yong Jiang, Ying Tan, Li Gong, Xingzhan Wei, Yecheng Zhou, Lianzhou Wang, Wu‐Qiang Wu
Abstract
A simple heterovalent metal halide surface treatment enables formation of n/n<sup>+</sup> perovskite homojunction, which enlarged built-in electric field and accelerated charge extraction at the perovskite/C<sub>60</sub> interface, achieving a high efficiency of 22.2%.
Topics & Concepts
HomojunctionPerovskite (structure)HalideMaterials sciencePhotovoltaicsBoosting (machine learning)OptoelectronicsElectric fieldThin filmDopingPhotovoltaic systemNanotechnologyElectrical engineeringCrystallographyPhysicsChemistryInorganic chemistryComputer scienceEngineeringMachine learningQuantum mechanicsPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin Films