Effect of Silver and Gold Nanoparticles on the Spectral and Luminescent Properties of a Merocyanine Dye

被引：11

作者：

Aimukhanov, A. K. ^{[1
]}

Ibrayev, N. Kh. ^{[1
]}

Ishchenko, A. A. ^{[2
]}

Kulinich, A. V. ^{[2
]}

机构：

[1] Academician YA Buketov Karaganda State Univ, Inst Mol Nanophoton, Univ St 28, Karaganda 100028, Kazakhstan

[2] Natl Acad Sci Ukraine, Inst Organ Chem, Murmanska St 5, UA-02660 Kiev, Ukraine

来源：

THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2019年 / 54卷 / 06期

关键词：

merocyanine; ablation; plasmon resonance; silver and gold nanoparticles; absorption and fluorescence spectra; fluorescence kinetics; SIZE; DESIGN; AU;

D O I：

10.1007/s11237-019-09583-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An increase in the concentration of silver nanoparticles (NP) initially causes an increase and then a decrease in the absorption and fluorescence intensities of a solution of tetramethinemerocyanine dye derived from indole and thiobarbituric acid. In the case of gold NP, the dye absorption remains unchanged, while fluorescence is reduced. The lifetime of the merocyanine fluorescent state does not change upon the addition of both types of nanoparticles. It is suggested that the observed effects are related to the action of plasmons in the metal nanoparticles on the electronic processes in the dye molecules.

引用

页码：369 / 374

页数：6

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