磷钨酸/壳聚糖杂化材料的制备及其光致变色性Preparation and Photochromism Properties of Hybrid Phosphotungstic Acid/Chitosan Materials
王世铭;王琼生;林珊;王诣婧;郑立群;
摘要(Abstract):
以Keggin结构的磷钨酸为电子受体,天然高分子壳聚糖为电子给体,合成了新型的磷钨酸/壳聚糖(CS-HPW)杂化材料.采用元素分析、红外光谱、X-射线光电子能谱、固体漫反射电子光谱等进行了表征.结果表明:杂化材料的化学组成为(C6H11O4N)5.8H3PW12O40.29.2H2O;有机给体与无机杂多酸间存在较强的相互作用.合成的杂化材料具有良好的可逆光致变色性能.
关键词(KeyWords): 杂化材料;壳聚糖;杂多酸;光致变色性
基金项目(Foundation): 福建省自然科学基金资助项目(U0650007/2006J0251;Z0513009);; 福建省教育厅基金资助项目(JB05313)
作者(Authors): 王世铭;王琼生;林珊;王诣婧;郑立群;
参考文献(References):
- [1]王恩波,胡长文,许林,等.多酸化学导论[M].北京:化学工业出版社,1998.
- [2]朱思三,唐立昊,岳彬,等.十聚钨酸/聚乙烯醇导电膜的制备[J].化学学报,1999,57(5):533-537.
- [3]唐立昊,岳斌,朱思三.钨磷酸(钨硅酸)/聚乙烯醇复合物的制备和光、电性质研究[J].高等学校化学学报,1999,20(9):1349-1351.
- [4]冯威,张铁锐,刘延,等.Keggin结构钨磷酸/聚丙烯酰胺复合物的制备及光性质研究[J].高等学校化学学报,2000,21(10):1563-1565.
- [5]Gomero-Romero P,Cason-Pastor N,Lira-Cantu M.Chemical polymerization of polyaniline and polypyrrole byphosphomolybdic acid in situ formation of hybrid organic-inorganic materials[J].Solid State Ionics,1997,101-103(2):875-880.
- [6]Lira-Cantu M,Gomez-Romero P.Electrochemical and chemical synthesis of the hybrid organic-inorganicelectroactive material formed by phosphomolybdate and polyaniline:application as cation-insertion eletrode[J].Chem Mater,1998,10(3):698-704.
- [7]Feng W,Zhang T R.Sonochemical preparation of photochromic mamocomposite thin film based on polyoxo-metalates well dispersed in polyacrylamide[J].J Solid State Chem,2002,169(1):1-4.
- [8]Zhang T R,Lu R,Liu X L,et al.Photochromic polyoxotungstoeuropate K12[EuP5W30O110]/polyvinyl pyrrolidonenanocomposite films[J].J Solid State Chem,2003,172(2):458-463.
- [9]程贤,苏英草,程传煊.12-钼磷酸与聚乙烯醇固溶体的光致变色及其稳定性[J].化学学报,2000,58(3):277-282.
- [10]Pope M T.Heteroploy and isopoly oxometalatesl[M].New York:Springer-Verlayg,1983.
- [11]Zhang X M,Shan B Z,You X Z.A charge-transfer salt between organic donor and polyoxometalate acceptor[J].Polyhedron,1997,16(1):95-102.