摘要
The direct electrochemical synthesis of metal alkoxides [Ti（OEt）4, Ti（OPr-i）4, Ti（OBu）4, Ti（OEt）2（acac）, Cu（OEt）2, Cu（OBu）2, Mg（OEt）2 and Ni（OEt）2] were studied by anode dissolution of metals in absolute ethanol in the presence of a conductive additives. The anodic behaviour of Ti electrode in ethanol was investigated by using cyclic voltammetry（CV）. These metal alkoxides were characterized by FTIR spectra. The results show that direct electrochemical synthesis of metal alkoxides have a high current efficiency and electrolysis yield. These alkoxides have a high purity and can be directly used as the precursor of nanosize oxides prepared by sol-gel procedure. The anodic behaviour of Ti electrode in alcohol is markedly the feature of the pitting corrosion. The passivation of Ti anode would occur in the presence of trace water.
The direct electrochemical synthesis of metal alkoxides [Ti(OEt)_4, Ti(OPr-i)_4, Ti(OBu)_4, Ti(OEt)_2(acac), Cu(OEt)_2, Cu(OBu)_2, Mg(OEt)_2 and Ni(OEt)_2] were studied by anode dissolution of metals in absolute ethanol in the presence of a conductive additives. The anodic behaviour of Ti electrode in ethanol was investigated by using cyclic voltammetry(CV). These metal alkoxides were characterized by FTIR spectra. The results show that direct electrochemical synthesis of metal alkoxides have a high current efficiency and electrolysis yield. These alkoxides have a high purity and can be directly used as the precursor of nanosize oxides prepared by sol-gel procedure. The anodic behaviour of Ti electrode in alcohol is markedly the feature of the pitting corrosion. The passivation of Ti anode would occur in the presence of trace water.
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
2000年第1期133-135,共3页
Chemical Journal of Chinese Universities
基金
国家自然科学基金! (批准号 :2 98730 39)
安徽省教育委员会自然科学基金!资助
关键词
有机电解合成
金属醇盐
循环伏安
Organic electrosynthesis
Metal alkoxides
Cyclic Voltammetry
FTIR
Sol-gel
