THE SERS STUDIES OF 8-HYDROXYQUINOLINE(I) COMPLEXED WITH ALUMINIUM($\Pi$) AND IRON($\Pi$)
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Date
1993
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Publisher
Ohio State University
Abstract
The 8-hydroxyquinoline was used as a analysis reagent in spectrophotometric study. It could complex with many transition metal ions, such as aluminium, iron, copper and nickel. Here, the SERS spectra of 8-hydroxyquinoline and its complex with $Al(\Pi$) and $Fe(\Pi$) were obtained. By contrast, the bands $1322, 1466, 1494cm^{-1}$ were enhanced and the band $1560cm^{-1}$ reduced in intensity for complex of I with Fe($\Pi$). The sharp bands $830, 1004cm^{-1}$ and medium intensity bands $1138, 1250cm^{-1}$ were appeared in the SERS spectra of I with $Al(\Pi)$ complex. But the intensity of bands $1358, 1360cm^{-1}$ and $1590cm^{-1}$ assigned to v (C-C) and v (ring) vibration modes were decreased. These confirmed that, on the surface of silver colloid partiel, the gemotery of 8-hydorxyquinoline in the complex with $Fe(\Pi)$ or $Al(\Pi)$ were different. The bands $1322, 1466, 1494cm^{-1}$ were assigned to characteristic bands of I with $Fe(\Pi)$ complex. The bands $830, 1004cm^{-1}$ were assigned to the marked bands of I with $Al(\Pi)$ complex. The detect limit of I with $Al(\Pi)$ and $Fe(\Pi)$ complexes could be reduced to 4ug/ml and 8ug/ml, respectively.
Description
$^{1.}$ S. C. Wait and J. C. McNerey, J. Mol. Spectrosc. 34, 56 (1970). 2. M. Moskovits and J. S. Suh, J. Phys. Chem. 92(22), 6327 (1988).
Author Institution: Department of Chemistry, Wuhan University; Center of Analysis and Measurement, Wuhan University
Author Institution: Department of Chemistry, Wuhan University; Center of Analysis and Measurement, Wuhan University