Electrochemical and Bioelectrochemistry Properties of Room-Temperature Ionic Liquids and Carbon Composite Materials

Room-temperature ionic liquids (RTILs) are liquids at room temperature and represent a new class of nonaqueous but polar solvents with high ionic conductivity. The conductivity property of carbon nanotubes/RTILs and carbon microbeads/RTILs composite materials has been studied using ac impedance tech...

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Veröffentlicht in:	Analytical chemistry (Washington) 2004-09, Vol.76 (17), p.4960-4967
Hauptverfasser:	Zhao, Feng, Wu, Xuee, Wang, Mingkui, Liu, Ying, Gao, Lianxun, Dong, Shaojun
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Biochemistry - methods Carbon Carbon - chemistry Catalysis Chemistry Composite materials Electric Impedance Electrochemical methods Electrochemistry - methods Electrodes Electron Transport Enzymes, Immobilized - chemistry Exact sciences and technology Glass - chemistry Gold - chemistry Hydrogen Peroxide - chemistry Ions Ions - chemistry Liquids Microspheres Nanotubes, Carbon - chemistry Oxidation-Reduction Oxygen - chemistry Solvents - chemistry Temperature
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Beschreibung
Zusammenfassung:	Room-temperature ionic liquids (RTILs) are liquids at room temperature and represent a new class of nonaqueous but polar solvents with high ionic conductivity. The conductivity property of carbon nanotubes/RTILs and carbon microbeads/RTILs composite materials has been studied using ac impedance technology. Enzyme coated by RTILs-modified gold and glassy carbon electrodes allow efficient electron transfer between the electrode and the protein and also catalyze the reduction of O2 and H2O2.
ISSN:	0003-2700 1520-6882
DOI:	10.1021/ac0494026