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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27546

Title: Temperature dependence of enhanced optical absorption and Raman spectroscopy from metallic nanoparticles
Authors: C.W. Chen;H.-P. Chiang;P. T. Leung;D. P. Tsai
Contributors: NTOU:Institute of Optoelectronic Sciences
Keywords: A. Metallic nanoshells;D. Thermal-optic properties
Date: 2008-12
Issue Date: 2011-10-21T02:32:07Z
Publisher: Solid State Communications
Abstract: Abstract:The temperature dependence of the optical/spectroscopic properties of metallic nanoparticles (in particular nanoshells) including absorption, scattering, and enhanced-Raman scattering for admolecules is studied via theoretical modeling. For core-shell particles, we focus on both the high frequency (symmetric) and low frequency (antisymmetric) plasmon resonance modes of the nanoshells. It is found, that while these properties in general have optimal values at a certain temperature specific to the shell configuration except for relatively thin shells, the SERS enhancement generally has more appreciable variations and decreases when the nanoshells get heated up from room temperature. Implications for various applications with these nanoparticles are discussed. PACS 78.20.Ci; 78.20.Nv; 78.30.-j
Relation: 148(9-10), pp.413-416
URI: http://ntour.ntou.edu.tw/handle/987654321/27546
Appears in Collections:[光電科學研究所] 期刊論文

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