Post treatment preparation of hybrid metal halide perovskite nanocrystal-embedded polymethylmethacrylate blends with enhanced stablity  

后处理法制备提高有机无机杂化钙钛矿稳定性的聚甲基丙烯酸甲酯共混材料（英文）

作　　者：李晓[1] 薛振杰[2] 王靖[2] 黄川辉 刘立志[2] 乔学志 刘聪[2] 宋倩[2] 李迎春[1] 

机构地区：[1]中北大学材料科学与工程学院,山西太原030051 [2]中国科学院化学研究所北京分子科学国家实验室活体分析重点实验室,北京100090

出　　处：《Journal of Measurement Science and Instrumentation》2017年第2期103-109,共7页测试科学与仪器（英文版）

摘　　要：Hybrid organic-inorganic perovskites have been the subject of recent intense interest due to advances in photovoltaic and other optoelectronic applications. However, their poor stability limits commercial market application We enhance water stability by post treatment preparation of hybrid metal halide perovskite nanocrystal-embedded polymethylmethacrylate （PM- MA） blend films. Through blending process without any cleaning of nanocrystals, crystalline hybrid organic-inorganic perovs-kite nanocrystals were incorporated into PMMA matrix with well-dispersion Passivation of PMMA on the surface of the per-ovskite nanocrystals results in decreased traps and a long photoluminescence （PL） lifetime despite the bromine vacancies in the crystal lattice. Moreover, such color purity and inherent high transmittance for fluorescence emission of perovskite nanocrystals will endow the films with promising potentials in diverse practice photonic applications.

关 键 词：perovskite stability polymer blends perovskite blends fluorescence polymethylmethacrylate （PMMA） 

分 类 号：TB332[一般工业技术—材料科学与工程]