Photoluminescence enhancement of perovskite CsPbBr3 quantum dots by plasmonic Au nanorods

被引：16

作者：

Juan, Fangying ^{[1
]}

Xu, Fan ^{[1
]}

Wang, Mei ^{[1
]}

Wang, Mingxu ^{[1
]}

Hou, Guozhi ^{[2
,3
]}

Xu, Jun ^{[2
,3
]}

Wei, Haoming ^{[1
]}

Wang, Yinghua ^{[1
]}

Wu, Yangqing ^{[1
]}

Cao, Bingqiang ^{[1
]}

机构：

[1] Qufu Normal Univ, Sch Phys & Phys Engn, Shandong Prov Key Lab Laser Polarizat & Informat, Qufu 273165, Shandong, Peoples R China

[2] Nanjing Univ, Natl Lab Solid State Microstruct, Sch Elect Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China

[3] Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

CHEMICAL PHYSICS | 2020年 / 530卷

基金：

中国国家自然科学基金;

关键词：

CsPbBr3 quantum dot; Au nanorods; Local surface plasmon resonance; Photoluminescence; STIMULATED-EMISSION; 2-PHOTON ABSORPTION; NANOCRYSTALS; CSPBX3;

D O I：

10.1016/j.chemphys.2019.110627

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Plasmonic Au nanorods/CsPbBr3 quantum dots film has been prepared via spin-coating. It is found that photoluminescence intensity of Au nanorods/CsPbBr3 quantum dots film exhibits 2-fold enhancement compared with pristine CsPbBr3 quantum dots film. Time-resolved photoluminescence decay curves show that the lifetime of CsPbBr3 quantum dots film decreases from 6.15 ns to 4.78 ns after combining with Au nanorods. The finite-difference time-domain simulation indicates that Au nanorods arouse a localized surface plasmon resonance around 500 nm, which enhances the emission intensity of CsPbBr3 quantum dots film.

引用

页数：5

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