离子液体BMImBF4中硝基甲烷在铜盘电极上的电化学行为  

Electrochemical Behavior of Nitromethane on Cu Disk Electrode in Ionic Liquid BMImBF_4

作　　者：马淳安[1] 王晓娟[1] 李国华[1] 钱晓锋[1] 

机构地区：[1]浙江工业大学绿色化学合成技术国家重点实验室培育基地,化学工程与材料学院,杭州310032

出　　处：《高等学校化学学报》2009年第12期2469-2472,共4页Chemical Journal of Chinese Universities

基　　金：国家“九七三”计划项目前期研究专项(批准号:2003CCA01300);国家自然科学基金(批准号:20876151);教育部博士学科点基金(批准号:20070337001)资助

摘　　要：以铜盘电极为工作电极,采用循环伏安和原位红外反射光谱技术研究了硝基甲烷在离子液体1-正丁基-3-甲基咪唑四氟硼酸盐(BMImBF4)中的电还原行为,讨论了温度和扫描速度等因素对其电还原行为的影响.研究结果表明,硝基甲烷在离子液体BMImBF4中的还原反应是受扩散控制的不可逆过程,其还原产物为亚硝基甲烷二聚体.The electrochemical behavior of nitromethane were studied by cyclic voltammetry and in situ FTIR technique in the room temperature ionic liquid 1-butyl-3-methylimidazolium tetrafluorobrate（BMImBF4） on a copper disk electrode. The influences of temperature and scan rate on the electrochemical characteristics of nitromethane were also investigated. Results show that the electroreduction of nitromethane in BMImBF4 is an irreversible process, which is controlled by diffusion. Finally nitromethane is reduced into trans-dimer of nitrosomethane in BMImBF4.

关 键 词：硝基甲烷 1-正丁基-3-甲基咪唑四氟硼酸盐 原位红外光谱 电还原 

分 类 号：O646[理学—物理化学]