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卟啉H_2TSPP和Ag(Ⅱ)TSPP吸附在均分散Fe_3O_4胶体上的拉曼光谱 被引量:7

Surface Enhanced Raman Scattering (SERS) from H_2TSPP and Ag(Ⅱ)TSPP Adsorbed on Uniform Fe_3O_4 Colloids
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摘要 Surface Enhanced Raman Scattering (SERS) of tetrasodium meso-tetrakis (4-sulfonatophenyl) porphine (H2TSPP) and silver tetraphenylporphyrin (Ag(Ⅱ)TSPP)adsorbed spontarleously on uniform Fe3O4 colloids are recorded. The enhancement of Raman bands is approximately 30. An analysis of the SERS spectrum shows that on the Fe3O4 surface H2TSPP takes its diacid form H42+TSPP. Surface Enhanced Raman Scattering (SERS) of tetrasodium meso-tetrakis (4-sulfonatophenyl) porphine (H2TSPP) and silver tetraphenylporphyrin (Ag(Ⅱ)TSPP)adsorbed spontarleously on uniform Fe3O4 colloids are recorded. The enhancement of Raman bands is approximately 30. An analysis of the SERS spectrum shows that on the Fe3O4 surface H2TSPP takes its diacid form H42+TSPP.
出处 《物理化学学报》 SCIE CAS CSCD 北大核心 1996年第9期841-844,共4页 Acta Physico-Chimica Sinica
基金 国家自然科学基金
关键词 TSPP 吸附 卟啉 H2TSPP 氧化铁 胶体 Meso-tetrakis (4-sulfonatophenyl) porphine (H_2TSPP), Uniform Fe_3O_4 colloids, Surface Enhanced Raman Scattering (SERS), Protonation
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