| 光谱学与光谱分析 |
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| Effects of KCl on Fluorescence of [Ru(bpy)3]2+ Solution Containing Silver Nanoparticles |
| WANG Yue-hui,ZHOU Ji,SHI Shi-kao |
| State Key Lab of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,China |
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Abstract In the present paper,the authors studied the effects of KCl on the fluorescence of [Ru(bpy)3]2+ solution containing silver nanoparticles by UV-Vis absorption spectra and fluorescence spectra. The results indicated that the stronger action between KCl and silver nanoparticles led to the vanishing of chain-like net structure formed between [Ru(bpy)3]2+ and silver nanoparticles and the formation of large particles and aggregates in the solution. Meanwhile,a new band at longer wavelength region appeared and the peak at long wavelength was red-shifted and broadened with the increase of KCl. With the increase in KCl content,the fluorescence decreases first and then increases till a constant value. The authors discussed the mechanism of the effects KCl on the fluorescence of [Ru(bpy)3]2+ solution containing silver nanoparticles in terms of interaction and energy transfer.
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Received: 2006-05-10
Accepted: 2006-08-20
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Corresponding Authors:
WANG Yue-hui
E-mail: yuehuiwang@263.net
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| Cite this article: |
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WANG Yue-hui,ZHOU Ji,SHI Shi-kao. Effects of KCl on Fluorescence of [Ru(bpy)3]2+ Solution Containing Silver Nanoparticles[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(07): 1377-1380.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I07/1377 |
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