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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27571

Title: The surface plasmon enhancement effect on adsorbed molecules at elevated temperatures
Authors: H.-P. Chiang;P. T. Leung;W.S. Tse
Contributors: NTOU:Institute of Optoelectronic Sciences
國立臺灣海洋大學:光電科學研究所
Keywords: adsorbed layers;surface plasmons;high-temperature effects;surface enhanced Raman scattering
Date: 1998-02-08
Issue Date: 2011-10-21T02:32:11Z
Publisher: Journal of Chemical Physics(J. Chemical Physics)
Abstract: Abstract:The surface plasmon enhancement effect on adsorbed molecules at elevated substrate temperatures is studied theoretically using surface enhanced Raman scattering (SERS) as an example. The surface structure is idealized to be a monodisperse spherical particle with its nonlocal dielectric response accounted for. The temperature effects are modeled using a temperature-dependent collision frequency in the Drude model. Numerical results show that only a small decrease in the SERS enhancement ratio occurs for temperatures up to the melting point of the substrate, even for scattering close to the surface plasmon resonance frequency of the metal. More definitive results are subjected to more realistic modeling as well as systematic experimental studies. The implication of this result to other surface photochemical processes is discussed.
Relation: 108(6), pp.2659-2660
URI: http://ntour.ntou.edu.tw/handle/987654321/27571
Appears in Collections:[光電科學研究所] 期刊論文

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