Enhancement of 1.54-μm emission from Er-doped sol-gel SiO2 films by Au nanoparticles doping -: art. no. 024316

被引：74

作者：

Fukushima, M ^{[1
]}

Managaki, N ^{[1
]}

Fujii, M ^{[1
]}

Yanagi, H ^{[1
]}

Hayashi, S ^{[1
]}

机构：

[1] Kobe Univ, Fac Engn, Grad Sch Sci & Technol, Dept Elect & Elect Engn, Kobe, Hyogo 6578501, Japan

来源：

JOURNAL OF APPLIED PHYSICS | 2005年 / 98卷 / 02期

关键词：

D O I：

10.1063/1.1990257

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A 1.54-mu m emission from erbium-doped sol-gel SiO2 was strongly enhanced by doping Au nanoparticles. The enhancement factor depended on Au concentration and was the largest at the concentration of 1.0 mol %. The photoluminescence enhancement was accompanied by the lengthening of the lifetime, suggesting that the enhancement is caused by the decrease of hydroxyl groups. In addition, enhancement due to strong fields induced by localized surface plasmon of Au nanoparticles was observed.

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