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《Chinese Journal of Inorganic Chemistry》 2007-03
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Synthesis and Properties of Polyaniline Doped with Cobalt Substituted Silicotungstate Isomers in Keggin Structure

MA Rong-Hua,1,2 WANG Fu-Ping1 (1Department of Applied Chemistry, Harbin Institute of Technology University, Harbin 150080) (2College of Chemistry and Engineering, Qiqihar University, Qiqihar, Henglongjiang 161006)  
The polyaniline hybrid materials doped with cobalt substituted silicotungstate isomers α, βi-K6-nHn[SiW11 Co(H2O)O39]·xH2O (βi=β1, β2, β3) have been prepared. The materials were characterized by elemental analysis, IR spectrascopy, UV-Vis, scanning electron microscopy (SEM), TG and X-ray powder diffraction (XRD). Fluorescence and conductivity of the materials were determined. The results indicate that SiW11Co/PANI have better thermal stability, fluorescence and conductivity; the conductivity of the materials is 7.5 × 10-2 S·cm-1 at room temperature. Each of the polyaniline hybrid materials has one emission spectrum from the transition of the electrons between exciton band (produced due to doping) and valence band.
【Fund】: 黑龙江省教育厅基金(No.10541249)资助项目;; 黑龙江省骨干教师基金(No.105G011)资助项目
【CateGory Index】: O631.3
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