A-site phase segregation in mixed cation perovskite
作者机构：Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green ApplicationsMIIT Key Laboratory for Low-dimensional Quantum Structure and DevicesExperimental Center of Advanced MaterialsSchool of Materials Science&EngineeringBeijing Institute of TechnologyBeijing100081PR China Advanced Research Institute of Multidisciplinary ScienceBeijing Institute of TechnologyBeijing100081PR China Chaotic Matter Science Research CenterDepartment of MaterialsMetallurgy and ChemistryJiangxi University of Science and TechnologyGanzhou341000PR China Beijing Institute of Technology Chongqing Innovation CenterChongqing401120PR China Department of Civil&Environmental Engineering(DICA)Universita degli Studi di PerugiaVia G.Duranti 9306125PerugiaItaly CNR-SCITEC06123PerugiaItaly
出 版 物：《Materials Reports(Energy)》 (材料导报（能源）（英文）)
年 卷 期：2021年第1卷第4期
页 面：3-21页
核心收录：
学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）]
基 金：National Natural Science Foundation of China(22109057,21805010,21975028,52172182,22011540377,22005035) Beijing Municipal Science and Technology Project(Z181100005118002) Beijing Municipal Natural Science Foundation(JQ19008) the China Postdoctoral Science Foundation(Grant No.2020TQ0043,2020M680012) Research Foundation of Jiangxi Educational Committee(GJJ200836)
主 题：Photovoltaic Perovskite Mixed cation Phase segregation Stability
摘 要：Mixed cation strategy greatly benefits the enhancement of device performance and chemical ***,adverse impact also accompanies the mixed cation system *** brings the compositional instability,wherein the homogeneous film is likely to segregate into multi-phases during the fabrication and ageing process,thus resulting in the efficiency reduction of perovskite solar cells(PSCs)*** review focuses on the cation induced phase segregation,and elucidates the segregation mechanisms from the perspectives of film formation and ageing process,***,the influence of cation segregation on device performance and operational stability are *** based on these understandings,viable strategies are proposed for the design of phase-stable mixed composition halide perovskites and for suppressing segregation to benefit its development towards commercial applications.
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