Ionic liquid,1-butyl-3-methylimidazolium acetate(BMImAc),was used in the electrochemical reduction of nitrobenzene.The electro-reduction of nitrobenzene on platinum electrode was studied by cyclic voltammetry(CV),...Ionic liquid,1-butyl-3-methylimidazolium acetate(BMImAc),was used in the electrochemical reduction of nitrobenzene.The electro-reduction of nitrobenzene on platinum electrode was studied by cyclic voltammetry(CV),in situ Fourier transform infrared(FTIR) spectroscopy and constant-potential electrolysis.The experimental results show that electrochemical reduction process of nitrobenzene was controlled by diffusion,the main reduction product was azobenzen at-1.45 V,and the influences of scan rate and temperature on the electrochemical behaviors were obviously.A reduction mechanism of nitrobenzene in an ionic liquid was a probable ‘nitrobenzene→nitrosobenzene→azobenzene→aniline' main reductive reaction route.展开更多
基金Supported by the National Basic Research Program of China(No.2012CB722604) and the National Natural Science Foundation of China(No.21076192).
文摘Ionic liquid,1-butyl-3-methylimidazolium acetate(BMImAc),was used in the electrochemical reduction of nitrobenzene.The electro-reduction of nitrobenzene on platinum electrode was studied by cyclic voltammetry(CV),in situ Fourier transform infrared(FTIR) spectroscopy and constant-potential electrolysis.The experimental results show that electrochemical reduction process of nitrobenzene was controlled by diffusion,the main reduction product was azobenzen at-1.45 V,and the influences of scan rate and temperature on the electrochemical behaviors were obviously.A reduction mechanism of nitrobenzene in an ionic liquid was a probable ‘nitrobenzene→nitrosobenzene→azobenzene→aniline' main reductive reaction route.