Photon Driven Transformation of Cesium Lead Halide Perovskites from Few-Monolayer Nanoplatelets to Bulk Phase

被引：148
|
作者：
Wang, Yue [1 ]
Li, Xiaoming [2 ,3 ]
Sreejith, Sivaramapanicker [4 ]
Cao, Fei [2 ]
Wang, Zeng [1 ]
Stuparu, Mihaiela Corina [4 ]
Zeng, Haibo [2 ]
Sun, Handong [1 ,5 ]
机构：
[1] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore
[2] Nanjing Univ Sci & Technol, Coll Mat Sci & Engn, Inst Optoelect & Nanomat, Nanjing 210094, Jiangsu, Peoples R China
[3] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Engn, State Key Lab Mech & Control Mech Struct, Nanjing 210085, Jiangsu, Peoples R China
[4] Nanyang Technol Univ, Sch Phys & Math Sci, Div Chem & Biol Chem, Singapore 637371, Singapore
[5] Nanyang Technol Univ, Ctr Disrupt Photon Technol, Singapore 637371, Singapore
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 48期
基金：
新加坡国家研究基金会;
关键词：
LIGHT-EMITTING-DIODES; ORGANOMETAL TRIHALIDE PEROVSKITE; WIDE COLOR GAMUT; QUANTUM DOTS; SOLAR-CELLS; NANOPARTICLE FILMS; ANION-EXCHANGE; ION MIGRATION; NANOCRYSTALS; LUMINESCENCE;
D O I：
10.1002/adma.201604110
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Influence of light exposure on cesium lead halide nanostructures has been explored. A discovery of photon driven transformation (PDT) in 2D CsPbBr3 nanoplatelets is reported, in which the quantum-confined few-monolayer nanoplatelets will convert to bulk phase under very low irradiation intensity (approximate to 20 mW cm(-2)). Benefiting from the remarkable emission color change during PDT, the multicolor luminescence photopatterns and facile information photo-encoding are established.
引用
收藏
页码：10637 / +
页数：8
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