Highly stable, luminescent core-shell type methylammonium-octylammonium lead bromide layered perovskite nanoparticles

被引：141

作者：

Bhaumik, Saikat ^{[1
]}

Veldhuis, Sjoerd A. ^{[1
]}

Ng, Yan Fong ^{[1
,2
]}

Li, Mingjie ^{[3
]}

Muduli, Subas Kumar ^{[1
]}

Sum, Tze Chien ^{[3
]}

Damodaran, Bahulayan ^{[1
]}

Mhaisalkar, Subodh ^{[1
,4
]}

Mathews, Nripan ^{[1
,4
]}

机构：

[1] Energy Res Inst NTU ERI N, Res Techno Plaza,X Frontier Block,Level 5, Singapore 637553, Singapore

[2] Nanyang Technol Univ, Interdisciplinary Grad Sch, 50 Nanyang Ave, Singapore 639798, Singapore

[3] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, 21 Nanyang Link, Singapore 637371, Singapore

[4] Nanyang Technol Univ, Sch Mat Sci & Engn, 50 Nanyang Ave, Singapore 639798, Singapore

来源：

CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 44期

基金：

新加坡国家研究基金会;

关键词：

LIGHT-EMITTING-DIODES; HALIDE PEROVSKITES; BR; CL;

D O I：

10.1039/c6cc01056c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new protocol for the synthesis of a highly stable (over 2 months under ambient conditions) solution-processed core-shell type structure of mixed methylammonium-octylammonium lead bromide perovskite nanoparticles (5-12 nm), having spherical shape, color tunability in the blue to green spectral region (438-521 nm) and a high photoluminescence quantum yield (PLQY) of up to 92% is described. The color tunability, high PLQY and stability are due to the quantum confinement imparted by the crystal engineering associated with core-shell nanoparticle formation during growth.

引用

页码：7118 / 7121

页数：4

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