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题名: The preparation of silver nanoparticle decorated silica nanowires on fused quartz as reusable versatile nanostructured surface-enhanced Raman scattering substrates
作者: Jih-Shang Hwang;Kuan-Yu Chen;Shih-Jay Hong;Shih-Wei Chen;Wun-Shing Syu;Chi-WenKuo;Wei-Yi Syu;Tai Yuan Lin;Hai-Pang Chiang;Surojit Chattopadhyay;Kuei-Hsien Chen;Li-Chyong Chen
贡献者: NTOU:Institute of Optoelectronic Sciences
日期: 2010-01-15
上传时间: 2011-10-21T02:32:42Z
出版者: Nanotechnology
摘要: Abstract:We introduce a platform, comprised of silver nanoparticle decorated silica nanowires (SiONWs) dispersed on fused quartz substrates, for high sensitivity surface-enhanced Raman scattering (SERS) measurements using both frontal (through the analytes) and back-face (through the transparent substrate) excitation. Quasi-quantitative SERS performances on the specialized substrate, vis-à-vis a silver deposited bare fused quartz plate, showed: (i) the suitability of the Ag modified SiONW substrate for frontal as well as back-face excitation; (ii) a wider detection range with high sensitivity to Rhodamine 6G; and (iii) good underwater metal–oxide adhesion of the specialized substrates. Capable of surviving ultrasonic cleaning, the substrate introduced is one of the few reusable low-cost Ag-based nanostructured SERS substrates, requiring only a simple silver reload process (the silver mirror reaction).
關聯: 21(2), pp.025502-1-025502-6
显示于类别:[光電科學研究所] 期刊論文


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