Construction of Core-Shell Ag@SiO2 Nanoarrays on Polystyrene Microspheres with Metal-Enhanced Fluorescence Effect

被引：3

作者：

Shen, Xin ^{[1
]}

Shen, Qianhong ^{[1
,2
]}

Yu, Yang ^{[1
]}

Zhang, Fang ^{[2
]}

Cheng, Di ^{[2
]}

Yang, Hui ^{[1
,2
]}

机构：

[1] Zhejiang Univ, Sch Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou, Zhejiang, Peoples R China

[2] Zhejiang Univ, Zhejiang Calif Int NanoSyst Inst, Hangzhou, Zhejiang, Peoples R China

来源：

CHEMNANOMAT | 2018年 / 4卷 / 02期

关键词：

fluorescence; nanoarrays; nanoparticles; silver composite materials; nanostructures; SINGLE-MOLECULE FLUORESCENCE; DEPENDENT FLUORESCENCE; PLASMONIC ENHANCEMENT; SILVER NANOPARTICLES; GOLD NANORODS; NANOCOMPOSITES; NANOANTENNAS; DNA; NANOCLUSTERS; DISTANCE;

D O I：

10.1002/cnma.201700317

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A micro-nano structure with metal-enhanced fluorescence (MEF) effect was constructed through a controllable assembly of the core-shell Ag@SiO2 nanoparticles on polystyrene microspheres. Such a unique structure makes it possible to regulate the plasmon coupling of Ag nanoparticles by simply tailoring the size of the Ag core and the thickness of the SiO2 shell. The experimental and theoretical simulations demonstrate the effectiveness of this micro-nano structure in an MEF field, and thus provide an approach to fabricate Ag nanocomposite materials with high fluorescence enhancement factors.

引用

页码：170 / 174

页数：5

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