溶液pH对羟基苯硫酚同分异构体脱羟基反应影响的SERS研究

葛登云, 徐敏敏, 袁亚仙^*, 姚建林^*

Surface-Enhanced Raman Spectroscopic Investigation on the Effect of Solution pH on Dehydroxylation of Hydroxythiophenol Isomers

GE Deng-yun, XU Min-min, YUAN Ya-xian^*, YAO Jian-lin^*

(a)吸附在粗糙Ag电极表面的OHTP在pH 2, 7和 12的KCl溶液中随电位变化的SERS光谱; (b)不同pH值下991 cm^-1 (TP)和830 cm^-1 (OHTP)相对峰强度比值