2,6-二甲基-3,5-二(吡唑-3-基)吡啶/铜构筑的一维链状Keggin型杂多酸盐的合成、结构及电化学性质研究  

Synthesis,Structure and Electrochemical Properties of a 1D Chain-like Keggin-based Hybrid Constructed by 2,6-dimethyl-3,5-bis(Pyrazole-3-yl)Pyridine and Copper

作　　者：赵婕 郭晴晴 郑玉国 龙巍然 田红霞 王真玉 史振雨 ZHAO Jie;GUO Qingqing;ZHENG Yuguo;LONG Weiran;TIAN Hongxia;WANG Zhenyu;SHI Zhenyu(Key Laboratory of Chemical Synthesis and Environmental Pollution Control-Remediation Technology, College of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China)

机构地区：[1]兴义民族师范学院生物与化学学院,贵州省化学合成及环境污染控制和修复技术特色重点实验室,兴义562400

出　　处：《人工晶体学报》2020年第3期500-504,510,共6页Journal of Synthetic Crystals

基　　金：贵州省教育厅青年科技人才成长项目(黔教合KY字[2018]409);贵州省普通高等学校科技拔尖人才支持计划(黔教合KY字[2016]112);贵州省科技计划项目(黔科合LH字[2017]7022);贵州省普通高等学校特色重点实验室(黔教合KY字[2017]014)。

摘　　要：以二水氯化铜(CuCl2·2H2O)、硅酸钠(Na2SiO3)、钼酸钠(Na2MoO4)和2,6-二甲基-3,5-二(吡唑-3-基)吡啶(简写为H2L)为原料,通过水热反应,成功地合成了一个一维链状Keggin型多酸基杂化化合物[Cu2(H3L)2](SiMo12O40)。通过X-射线单晶衍射、TGA、IR以及元素分析对该化合物的结构进行表征。测试结果表明,该化合物属于三斜晶系,P-1空间群,晶胞参数a=1.1689(5)nm,b=1.2157(5)nm,c=1.2233(5)nm,α=62.066(5)°,β=62.833(5)°,γ=74.789(5)°,V=1.3638(10)nm3,Z=2,R1=0.0824,wR2=0.1745。电化学分析结果表明该化合物对亚硝酸盐的还原具有良好的电催化效果。Under hydrothermal conditions,a 1D chain-like Keggin-based hybrid,[Cu2(H3L)2](SiMo12O40)(H2L=2,6-dimethyl-3,5-bis(pyrazol-3-yl)pyridine),was successfully prepared using utilizing CuCl2·2H2O,Na2SiO3,Na2MoO4 and 2,6-dimethyl-3,5-bis(pyrazol-3-yl)pyridine as starting materials.The crystal structure of the compound was characterized by single crystal X-ray diffraction analysis,TGA,IR spectra and elemental analysis.The results show that the compound crystallizes in the triclinic system,space group P-1 with a=1.1689(5)nm,b=1.2157(5)nm,c=1.2233(5)nm,α=62.066(5)°,β=62.833(5)°,γ=74.789(5)°,V=1.3638(10)nm3,Z=2,R1=0.0824,wR2=0.1745.In addition,the electrochemical properties of the compound display better electrocatalytic activity toward the reduction of nitrite.

关 键 词：多酸 水热合成 晶体结构 电化学 一维 

分 类 号：O611[理学—无机化学]