Water driven photoluminescence enhancement and recovery of CH3NH3PbBr3/Silicon oil/PDMS-urea composite

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成果类型：

期刊论文

作者：

Luo, Chunhua;Huang, Sihui;Zhang, Ting;Jiang, Chunli;Qi, Ruijuan;...

通讯作者：

Peng, Hui

作者机构：

[Jiang, Chunli; Lin, Hechun; Zhang, Ting; Huang, Sihui; Qi, Ruijuan; Luo, Chunhua; Peng, Hui] East China Normal Univ, Sch Phys & Elect Sci, Dept Elect, Key Lab Polar Mat & Devices MOE, Shanghai 200241, Peoples R China.

[Liu, Mengqin] Hengyang Normal Univ, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Travas-Sejdic, Jadranka] Univ Auckland, Polymer Elect Res Ctr PERC, Sch Chem Sci, Auckland, New Zealand.

[Travas-Sejdic, Jadranka] MacDiarmid Inst Adv Mat & Nanotechnol, Wellington, New Zealand.

[Peng, Hui] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China.

通讯机构：

[Peng, Hui] E

East China Normal Univ, Sch Phys & Elect Sci, Dept Elect, Key Lab Polar Mat & Devices MOE, Shanghai 200241, Peoples R China.

语种：

英文

关键词：

Composite films;Electronic properties;Lead compounds;Optoelectronic devices;Perovskite;Photoluminescence;Recovery;Surface defects;Urea;Halide perovskites;Optical and electronic properties;Photoluminescence enhancement;Photoluminescence quantum yields;Polymer chains;Poor stability;UV-light illumination;UV-light irradiation;Polymer matrix composites

期刊：

Journal of Alloys and Compounds

ISSN：

0925-8388

年：

2020

卷：

834

页码：

155088

DOI：

10.1016/j.jallcom.2020.155088

基金类别：

Shanghai Science and Technology Innovation Action Plan [19JC141670, 17JC1402500]; Natural Science Foundation of ShanghaiNatural Science Foundation of Shanghai [18ZR1410900]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2017M621540]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [61671206]

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摘要：

Lead halide perovskites (LHPs) are very promising for new optoelectronic devices due to their excellent optical and electronic properties. However, the poor stability against water, heat and UV light greatly restricts their practical applications. In this work, a CH3NH3PbBr3/silicon oil/PDMS-urea composite is prepared by encapsulating CH3NH3PbBr3 nanocrystals and silicon oil into the PDMS-urea polymer matrix. This composite shows characteristics of water-enhanced photoluminescence (PL) and water-driven PL recovery. After immersed in water, the photoluminescence quantum yield of the composite i...

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Water driven photoluminescence enhancement and recovery of CH3NH3PbBr3/Silicon oil/PDMS-urea composite

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