二价铬或锰取代的硅钨杂多酸异构体的聚苯胺掺杂材料的制备及其热稳定性和荧光性能的表征

Synthesis of Polyaniline Doped Materials of Salts of Divalent Chromium or Manganese Substituted Isomers of Heteropoly Silicotungstic Acid and Characterization of Their Thermal Stability and Fluorescence Properties

摘要: 预先制备了由二价铬或锰取代的硅钨杂多酸钾盐的α及βi(βi=β1,β2及β3)异构体,然后在室温及无酸的条件下与聚苯胺进行固相掺杂,用红外光谱法、紫外-可见分光光度法、X射线衍射法、差示热重量法及分子荧光光度法对所得的掺杂材料的结构、热稳定性及荧光性能等特性作了表征.

Abstract: α and βi (βi=β1,β2 and β3)isomers of divalent metal Mn(Ⅱ) or Cr(Ⅱ) substituted heteropoly silicotungstic acid 4K2O·SiO2·W11CrO3 or 4K2O·SiO2·W11MnO3 were prepared and doped with polyaniline under solid phase at room temperature in the absence of acid.Structures of the polyaniline doped materials and their thermal stability and fluorescence properties were characterized by IR-spectrometry,UV-VIS spectrophotometry,X-ray diffraction,differential thermogravimetry,and molecular fluorophotometry.