Citation: Han Jie LIN, Dian JIANG, Yu Jun MO. SURFACE-ENHANCED RAMAN SPECTRA OF p-AMINOBENZOIC ACID ON SILVER FERROCYANIDE COLLOIDS[J]. Chinese Chemical Letters, ;1991, 2(6): 465-468. shu

SURFACE-ENHANCED RAMAN SPECTRA OF p-AMINOBENZOIC ACID ON SILVER FERROCYANIDE COLLOIDS

a Research Institute of Chenical Defence, Beijing, 102205;
b Institute of Physics, Chinese Acadeny of Sciences, Beijing, 100080

Received Date: 17 January 1991

The strong SERS effect was found for p-aminobenzoic acid (PABA) molecules adsorbed on Ag4Fe(CN)6 colloid for the first time.The enhancement factor is 8×10⁷ in estimation.The enhancement mechanism was discussed by studying the influence of ferrocyanide,ferricyanide,thiosulfate,hydrogen per-oxide,sodium chloride or potassium chloride,and pH value on the SERS intensity of PABA in Ag₄Fe(CN)₆ colloid.
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