高等学校化学学报 ›› 1990, Vol. 11 ›› Issue (8): 909.

• 研究简报 • 上一篇    下一篇

电化学粗糙银电极表面上共吸附体系的SERS研究

顾仁敖, 宗亚平, 冷永章   

  1. 苏州大学化学系
  • 收稿日期:1988-11-15 出版日期:1990-08-24 发布日期:1990-08-24
  • 通讯作者: 顾仁敖
  • 基金资助:

    江苏省教育委员会自然科学基金

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

摘要: 自1974年发现表面增强喇曼散射(SERS)光谱以来[1],人们不但对其进行实验和理论上的探讨,还开展了应用方面的研究,如用于痕量分析、催化和腐蚀等,并已开始用于研究物质的吸附状态以及多物种共存体系[2~4]。本文通过对吡啶、苯甲酸共存体系的SERS谱及其随外加电位变化的实验研究,运用镜像场等理论探讨了在电化学粗糙银电极表面上吡啶和苯甲酸共存体系中的吸附状态。

关键词: 吡啶, 苯甲酸, 表面增强喇曼散射, 共吸附

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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