Lasing From Water Solution of Rhodamine 6G/Gold Nanoparticles: Impact of SiO2-Coating on Metal Surface

被引：6

作者：

Dong, Lin ^{[1
]}

Ye, Fei ^{[2
]}

Chughtai, Adnan ^{[1
]}

Liuolia, Vytautas ^{[1
]}

Popov, Sergei ^{[1
]}

Friberg, Ari T. ^{[1
,3
,4
]}

Muhammed, Mamoun ^{[2
]}

机构：

[1] Royal Inst Technol, Div Opt, SE-16440 Kista, Sweden

[2] Royal Inst Technol, Div Funct Mat, SE-16440 Kista, Sweden

[3] Aalto Univ, Dept Appl Phys, FI-00076 Aalto, Finland

[4] Univ Eastern Finland, Dept Math & Phys, FI-80101 Joensuu, Finland

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2012年 / 48卷 / 09期

基金：

瑞典研究理事会;

关键词：

Fluorescence quenching; gold nanoparticles; photostability; Rhodamine; 6G; silica coating; SILICA-COATED GOLD; ENHANCED FLUORESCENCE; LASER PERFORMANCE; DYE; MATRICES;

D O I：

10.1109/JQE.2012.2207947

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Gold nanoparticles embedded in an optical gain material, particularly in a water solution of Rhodamine 6G, used in dye lasers can both increase and damp dye flourescence, thus changing the laser output intensity. Simultaneously, such nanoparticles influence the gain material's resistance against photobleaching. In this paper, we report our study on the impact of the SiO2 coating of nanoparticles on the enhancement or quenching and photobleaching of the fluorescence. The investigation demonstrates a noticeable improvement of the gain material's photostability compared to uncoated gold nanoparticles when silicon dioxide coating is implemented.

引用

页码：1220 / 1226

页数：7

共 31 条

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