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利用共焦显微拉曼系统研究了乙醇溶剂中2 巯基苯并噻唑(HMBT)在不同pH条件下吸附在ORC法粗糙化处理所得铁表面的SERS光谱。结果表明2 巯基苯并噻唑分子在酸性和中性溶液中通过环外S或环内N原子吸附于铁表面,而在碱性溶液中分子失去氢原子,并通过静电相互作用吸附于铁表面上。
The SERS spectra of 2-mercaptobenzothiazole (HMBT) adsorbed on the iron surface roughened by the ORC method under different pH conditions were studied by confocal microscopy Raman system. The results showed that 2-mercaptobenzothiazole molecules adsorbed to the iron surface through the out-of-ring S or ring-N atoms in acidic and neutral solutions, while the molecules lost hydrogen atoms in alkaline solution and adsorbed onto the iron surface by electrostatic interaction .