Preparation and optical properties of Eu(III) complexes J-aggregate formed on the surface of silver nanoparticles

被引：27

作者：

Sun, YY

Jiu, HF

Zhang, DG

Gao, HG

Guo, B

Zhang, QJ ^{[1
]}

机构：

[1] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China

[3] Univ Sci & Technol China, Dept Phys, Hefei 230026, Anhui, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2005年 / 410卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1016/j.cplett.2005.05.064

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：

Ag colloidal nanoparticles coated with Eu(TTA)(3) (.) 2H(2)O complexes were prepared, and it was found that Eu(TTA)(3) (.) 2H(2)O complexes J-aggregate was formed on the surface of Ag nanoparticles according to a red shift (18.2 nm) in UV-Vis spectra. However, there had similar excitation wavelength, which was attributed to existence of Ag nanoparticles. Highly luminescent properties of Ag colloidal nanoparticles were observed, and it was believed to result from low energy transfer between Eu(III) complexes and Ag and the large electromagnetic field arising from the excitation of surface plasmon polariton of Ag nanoparticles. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：204 / 208

页数：5

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