Nanoporous TiO2 film electrode for electrocatalytic reduction of 2-pyridineethanol in ionic liquids

被引:11
作者
Chu, Daobao [1 ,2 ]
Qin, Guoxu [1 ]
Yuan, Ximei [1 ]
Xu, Mai [1 ]
Lu, Jia [1 ]
Zheng, Peng [1 ]
机构
[1] Anhui Normal Univ, Coll Chem & Mat Sci, Wuhu 241000, Anhui, Peoples R China
[2] Anhui Key Lab Funct Mol Solids, Wuhu 241000, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
Nanoporous TiO2 electrode; Sol-gel; 2-Pyridineethanol; Electrocatalytic reduction; Ionic liquid;
D O I
10.1007/s10934-007-9147-x
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Nanoporous TiO2 having enhanced surface area was synthesized by sol-gel method. On the nanoporous TiO2 film electrode, electrocatalytic reduction of the 2-pyridineethanol in the ionic liquid electrolyte of 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMI]BF4) was investigated by cyclic voltammetry (CV). It was found that the indirect electroreduction of 2-pyridineethanol produced 2-piperidinoethanol by Ti(IV)/Ti(III) redox system on the nanoporous TiO2 film surface. The current of cathodic reduction peak increased along with the increase of reactant concentration. The electrode reaction mechanism is called catalytic (EC') mechanism.
引用
收藏
页码:661 / 665
页数:5
相关论文
共 34 条
[1]  
BARD AJ, 1980, ELECTROCHEMICAL METH
[2]   HETEROGENEOUS REDOX CATALYSIS ON TI/TIO2 CATHODES REDUCTION OF NITROBENZENE [J].
BECK, F ;
GABRIEL, W .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 1985, 24 (09) :771-772
[3]  
BELTRA AP, 2005, J ELECTROCHEM SOC D, V65, P152
[4]   Hydrophobic, highly conductive ambient-temperature molten salts [J].
Bonhote, P ;
Dias, AP ;
Papageorgiou, N ;
Kalyanasundaram, K ;
Gratzel, M .
INORGANIC CHEMISTRY, 1996, 35 (05) :1168-1178
[5]   Biomass conversion II: simultaneous electrosyntheses of furoic acid and furfuryl alcohol on modified graphite felt electrodes [J].
Chamoulaud, G ;
Floner, D ;
Moinet, C ;
Lamy, C ;
Belgsir, EM .
ELECTROCHIMICA ACTA, 2001, 46 (18) :2757-2760
[6]  
[褚道葆 Chu Daobao], 2004, [应用化学, Chinese Journal of Applied Chemistry], V21, P1006
[7]  
Chu DB, 2004, CHEM J CHINESE U, V25, P2137
[8]  
Chu DB, 2004, CHINESE J CHEM, V22, P1231
[9]  
Chu DB, 2002, CHEM J CHINESE U, V23, P678
[10]   Toxicity and antimicrobial activity of imidazolium and pyridinium ionic liquids [J].
Docherty, KM ;
Kulpa, CF .
GREEN CHEMISTRY, 2005, 7 (04) :185-189