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自1974年发现表面增强喇曼散射(SERS)光谱以来,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。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。
Since the discovery of surface-enhanced Raman scattering (SERS) spectroscopy in 1974, it has not only been experimentally and theoretically investigated, but also applied in applications such as trace analysis, catalysis and corrosion, etc., and has begun Used to study the state of adsorption of substances and multi-species coexistence system. In this paper, the SERS spectra of pyridine and benzoic acid coexisting system and their potential changes with the applied potential were investigated. The adsorption states of pyridine and benzoic acid in the coexistence of pyridine and benzoic acid on the surface of electrochemically roughened silver electrode were investigated by the mirror field theory.