Study on the Preparation Conditions of Nano-Silver Substrate Used for SERS Determination of Thiophene

Zong Ting Wang; Jun Jie Zhang; Li Jun Zhou; Xiao Wen Pei; Feng Ying Wang

doi:10.4028/www.scientific.net/AMR.1118.37

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1118Study on the Preparation Conditions of Nano-Silver...

Study on the Preparation Conditions of Nano-Silver Substrate Used for SERS Determination of Thiophene

Abstract:

Surface-enhanced Raman spectroscopy (SERS), having the advantages of high detection sensibility and fast analysis speed, meets the requirements of the detection of sulfur content in simulated gasoline. The optimal preparation conditions of nano-silver substrate which played an important role in enhancing Raman signals was mainly studyed in this paper. Potentiostatic oxidation-reduction method was selected to prepare roughened silver electrode as the nano-substrate. The influences of electrolyte, potential and reduction time were investigated. It shows that bromide ion in electrolytes and nearly balance potential could lead to much better result that relative area intensification factor is equal to 81746.

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Periodical:

Advanced Materials Research (Volume 1118)

Pages:

37-42

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1118.37

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Online since:

July 2015

Authors:

Zong Ting Wang*, Jun Jie Zhang, Li Jun Zhou, Xiao Wen Pei, Feng Ying Wang

Keywords:

KBr, Nanosilver Substrate, Potentiostatic Oxidation-Reduction Method, SERS, Thiophene

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