2,2'-联咪唑/磷钼酸化合物掺杂氧化石墨烯复合物的制备及其质子导电性测定  

Preparation and Proton Conductivity Evaluation of Graphene Oxide Composites doped with 2,2'-biimidazole /Phosphomolybdic Acid Complex

作　　者：段显英[1] 李非非[1] 韩福娇[1] 王文新[1] 李继[1] 

机构地区：[1]河南省科学院化学研究所,河南郑州450002

出　　处：《安阳师范学院学报》2014年第2期22-25,共4页Journal of Anyang Normal University

基　　金：国家自然科学基金项目(No.21171050)

摘　　要：制备了基于2,2’-联咪唑（简计为H2biim）/磷钼酸具有质子导电性的有机-无机化合物（其分子式为{H6[（H2O）1.5（H2biim）2（CH3OH）]2[（H2biim）（CH3OH）2][PMO12O40]2·2CH3CN}n;简计为（1））掺杂氧化石墨烯的一个复合物（简计为1-GO1）。采用红外光谱仪和X-射线衍射仪证实了合成产物的结构。结果表明,化合物1的结构特征在1-GO1复合物中得以保留。在约98%湿度下,1-GO1在温度85℃～100℃范围内显示良好的导电性,其质子导电率达到1.88×10-3～8.8×10-3S cm-1。此外,在温度100℃,1-GO1在湿度35%～98%范围内的质子导电率达到0.89×10-3～8.8×10-3S cm-1。在同等条件下,1–GO1的质子导电性优于化合物1。One graphene oxide composite（ denoted as1-GO1） doped with { H6[（ H2O）1. 5（ H2biim）2（ CH3OH） ]2[（ H2biim）（ CH3OH）2][PMO12O40]2·2CH3CN}n（ 1）,a proton-conductive organic/inorganic complex of 2,2＇-biimidazole（ denoted as H2biim） molecules and phosphomolybdic acid,was prepared. The structure of as-synthesized 1-GO1 was confirmed by infrared spectrometry and X-ray diffraction,and the electric conductivities were calculated based on electrochemical impedance spectroscopic measurement. It was found that the structural characteristics of complex 1 were retained successfully in the graphene oxide layers of as-prepared 1-GO1 composite. 1-GO1 reached good proton conductivities of as much as 1. 88 × 10-3～ 8. 8 × 10-3 S cm-1in the temperature range of 85 ℃ ～ 100 ℃ under a relative humidity（ RH） of 98% and as much as 0. 89 × 10-3～ 8. 8 × 10-3S cm-1at 100 ℃ in the RH range 35% ～ 98%. And in particular,it showed better proton conductivity than complex 1 at the same conditions.

关 键 词：磷钼酸 2 2’-联咪唑 氧化石墨烯 复合物 制备 质子导电性 

分 类 号：O611[理学—无机化学] O626.23[理学—化学]