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Title: The Preparation of Silver Nanoparticle Decorated Silica Nanowires on Fused Quartz as Reusable Versatile Nanostructured Surface-Enhanced Raman Scattering Substrates
Authors: Jih-Shang Hwang;Kuan-Yu Chen;Shih-Jay Hong;Shih-Wei Chen;Wun-Shing Syu;Chi-Wen Kuo;Wei-Yi Syu;Tai Yuan Lin;Hai-Pang Chiang;Surojit Chattopadhyay;Kuei-Hsien Chen;Li-Chyong Chen
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2009
Issue Date: 2017-02-10T02:28:45Z
Publisher: Nanotechnology
Abstract: 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).
Relation: 21(2)
Appears in Collections:[Institute of Optoelectronic Sciences] Periodical Articles

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