Metal-enhanced fluorescence of mixed coumarin dyes by silver and gold nanoparticles: Towards plasmonic thin-film luminescent solar concentrator

被引：61

作者：

El-Bashir, S. M. ^{[1
,2
]}

Barakat, F. M. ^{[1
]}

AlSalhi, M. S. ^{[1
]}

机构：

[1] King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia

[2] Benha Univ, Fac Sci, Dept Phys, Banha, Egypt

来源：

JOURNAL OF LUMINESCENCE | 2013年 / 143卷

关键词：

Plasmonic luminscent solar concentrator; PMMA thin films; Metal enhanced fluorescence; Silver and gold nanoparticles;

D O I：

10.1016/j.jlumin.2013.04.029

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Poly(methyl methacrylate) (PMMA) nanocomposite films doped with mixed coumarin dyestuffs and noble metal nanoparticles (60 nm silver and 100 nm gold) were prepared by spin coating technique. The effect of silver and gold nanoparticles on the film properties was studied by Fourier transform infrared spectroscopy (FT-IR), differential scanning calorimetry (DSC), transmission electron microscopy (TEM), scanning electron microscopy (SEM), UV-vis absorption and fluorescence spectroscopy measurements. DSC measurements indicated the increase of the glass transition temperature of the films by increasing nanogold concentration, recommending their promising thermal stability towards hot climates. It was found that the fluorescence signals of the mixed coumarin dyes were amplified by 5.4 and 7.15 folds as a result of metal enhanced fluorescence (MEF). The research outcomes offered a potential application of these films in solar energy conversion by plasmonic thin film luminescent solar concentrator (PTLSC). (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：43 / 49

页数：7

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