The electrochemical reduction of CO2 on copper electrode was investigated in acetonitrile(MeCN),dimethyl formamide(DMF)and dimethyl sulfoxide(DMSO)containing 0.1 mol/L tetraethylammonium bromioe(TEABr)by cyclic voltam...
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The electrochemical reduction of CO2 on copper electrode was investigated in acetonitrile(MeCN),dimethyl formamide(DMF)and dimethyl sulfoxide(DMSO)containing 0.1 mol/L tetraethylammonium bromioe(TEABr)by cyclic voltammetry and chronocoulometry at 298 K and under atmospheric *** were obviously irreversible one-electron reduction peaks after saturated with CO2 on copper electrode in three solvents,which generated anion radical of *** influence of scan rate was also studied by cyclic *** diffusion coefficients of CO2 in MeCN,DMF and DMSO were 8.981×10-6,1.019×10-6 and 1.032×10-6 cm2/s and the transfer coefficients were 0.064,0.042 and 0.059,*** results show that the electroreduction of CO2 was an irreversible diffusion controlled process.
The electrochem ical behaviors of sod ium dodecyl benzene su lfonate(SDBS)were investigated by cyc lic voltamm etry(CV) at glassy carbon electrode(GCE) using K4Fe(CN)6as a electroactive probe in 0.05 mol.L-1H2SO4aqueo...
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The electrochem ical behaviors of sod ium dodecyl benzene su lfonate(SDBS)were investigated by cyc lic voltamm etry(CV) at glassy carbon electrode(GCE) using K4Fe(CN)6as a electroactive probe in 0.05 mol.L-1H2SO4aqueous *** d iffusion coeffic ients Dm,the hydrodynam ic rad ius Rm,aggregation number n,the average m icelle we ightMmand the self-d iffusion coeffi-c ient Dm0of SDBS m icelle in the vic in ity of the criticalm icelle concentration(CMC) in aqueous solutions were also determ ined by chronou lom try(CC).
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