Chem. J. Chinese Universities ›› 1990, Vol. 11 ›› Issue (8): 909.

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The Experimental Studies of SERS of Coadsorptive System on the Electrochemically Roughened Silver Electrode Surface

Gu Renao, Zong Yaping, Leng Yongzhang   

  1. Department of Chemistry, Suzhou University, Suzhou
  • Received:1988-11-15 Online:1990-08-24 Published:1990-08-24

Abstract: This paper presents the studies of the SERS spectra and their potential dependence for pyridine and benzole acid adsorbed on the electrochemically roughened silver surface in the pyridine/ben-zoic acid/KCl coexistent system. Their adsorption manners on the silver surface were also studied. Ex- perimental results show that there exist eoadsorptive and competitive adsorption between pyridine and benzole acid on the silver surface in the coexistent system. The competitive adsorption and their manners vary with the changing of the applied voltage.

Key words: Pyridine, Benzole acid, Surface enhanced Raman scattering (SERS), Coadsorption

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