Fabrication of the Ag Dendrites for Surface-enhanced Raman Scattering

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (10): 2387.

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Fabrication of the Ag Dendrites for Surface-enhanced Raman Scattering

ZHAO Hong¹, FU Hong-Gang^1,2*, TIAN Chun-Gui², REN Zhi-Yu², YUANG Ming-Ming²

1. School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China;
2. Key Laboratory of Functional Inorganic Material, Ministry of Education, School of Chemical Engineering and Material, Heilongjiang University, Harbin 150080, China

Received:2010-10-08 Revised:2011-01-04 Online:2011-10-10 Published:2011-09-11
Contact: FU Hong-Gang E-mail:fuhg@vip.sina.com
Supported by:
国家自然科学基金(批准号: 20971040, 21001042)资助.

Abstract

Abstract: Ag dendrites were obtained on cleaned Cu plate via a simple galvanic displacement process between AgNO3 and Cu at room temperature, using sodiun dodecylsulfate(SDS) as surfactant. By the control of the concentration of precursor(AgNO3), Ag dendrites with different density were obtained. The performance of the Ag dendrites as surface enhanced Raman scattering(SERS) active substrate was evaluated by 4-aminothiophenol(4-ATP), adenine and Rhodamine G6 as the probe molecules. Compared with Ag nano particles(AgNPs) film, the SERS signal on Ag dendrites was obviously improved than on the AgNPs film. It is concluded that the Ag dendrites on Cu plate will be powerful SERS substrate for organic molecule and biological molecular detection.

Key words: Ag dendrites, Surface-enhanced Raman scattering, 4-Aminothiophenol, Adenine, Rhodamine G6

CLC Number:

0647

TrendMD:

ZHAO Hong, FU Hong-Gang*, TIAN Chun-Gui, REN Zhi-Yu, YUANG Ming-Ming. Fabrication of the Ag Dendrites for Surface-enhanced Raman Scattering[J]. Chem. J. Chinese Universities, 2011, 32(10): 2387.

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Fabrication of the Ag Dendrites for Surface-enhanced Raman Scattering

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