Electroanalytical Responses of Arsenic Oxide, Methanol, and Oxygen at the Ruthenium Oxide-Hexachloroiridate with Platinum Hybrid Film Export

@article{citeulike:4179600, abstract = {Electrochemically active ruthenium oxide (RuOxsdotnH2O), ruthenium oxide/hexachloroiridate (RuOxsdotnH2O/IrCl62-), and ruthenium oxide/hexachloroiridate/platinum (RuOxsdotnH2O/IrCl62-/Pt) hybrid films have been prepared from the mixture of Ru3+, IrCl62-, and PtCl62- ions in an acidic aqueous solution. The repetitive cyclic voltammetry (CV) has been used for the film preparation process. The electrochemical properties and the growth mechanism of the above mentioned different kinds of hybrid films have been investigated using CV and electrochemical quartz crystal microbalance. The morphological and quantitative analyses have been carried out using scanning electron microscopy, atomic force microscopy and energy dispersive X-ray. Among these above mentioned films, RuOxsdotnH2O/IrCl62-/Pt hybrid film exhibits promising electrocatalytic activity towards the oxidation of arsenic oxide, methanol and reduction of oxygen. Further, detailed study of electrocatalysis using rotating ring disk electrodes and amperometric methods have been carried out for arsenic oxide oxidation and oxygen reduction reactions at the hybrid films. From the results, the sensitivity of RuOxsdotnH2O/IrCl62-/Pt hybrid film has been calculated for arsenic oxide as 0.7 mA mM-1; and for oxygen as 1.8 mA mM-1.}, address = {Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road , Taipei 106, Taiwan (ROC)}, author = {Umasankar, Yogeswaran and Chen, Shen-Ming and Li, Sheh-Hung}, citeulike-article-id = {4179600}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/elan.200804322}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/121410431/ABSTRACT}, doi = {10.1002/elan.200804322}, journal = {Electroanalysis}, keywords = {electrocatalysis, electrodes, hexachloroiridate, modified, oxide, platinum, ruthenium}, number = {21}, pages = {2324--2332}, posted-at = {2009-03-15 18:25:34}, priority = {2}, title = {Electroanalytical Responses of Arsenic Oxide, Methanol, and Oxygen at the Ruthenium Oxide-Hexachloroiridate with Platinum Hybrid Film}, url = {http://dx.doi.org/10.1002/elan.200804322}, volume = {20}, year = {2008} }

TY - JOUR ID - citeulike:4179600 L3 - citeulike-article-id:4179600 N2 - Electrochemically active ruthenium oxide (RuOxsdotnH2O), ruthenium oxide/hexachloroiridate (RuOxsdotnH2O/IrCl62-), and ruthenium oxide/hexachloroiridate/platinum (RuOxsdotnH2O/IrCl62-/Pt) hybrid films have been prepared from the mixture of Ru3+, IrCl62-, and PtCl62- ions in an acidic aqueous solution. The repetitive cyclic voltammetry (CV) has been used for the film preparation process. The electrochemical properties and the growth mechanism of the above mentioned different kinds of hybrid films have been investigated using CV and electrochemical quartz crystal microbalance. The morphological and quantitative analyses have been carried out using scanning electron microscopy, atomic force microscopy and energy dispersive X-ray. Among these above mentioned films, RuOxsdotnH2O/IrCl62-/Pt hybrid film exhibits promising electrocatalytic activity towards the oxidation of arsenic oxide, methanol and reduction of oxygen. Further, detailed study of electrocatalysis using rotating ring disk electrodes and amperometric methods have been carried out for arsenic oxide oxidation and oxygen reduction reactions at the hybrid films. From the results, the sensitivity of RuOxsdotnH2O/IrCl62-/Pt hybrid film has been calculated for arsenic oxide as 0.7 mA mM-1; and for oxygen as 1.8 mA mM-1. IS - 21 JF - Electroanalysis AD - Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road , Taipei 106, Taiwan (ROC) EP - 2332 TI - Electroanalytical Responses of Arsenic Oxide, Methanol, and Oxygen at the Ruthenium Oxide-Hexachloroiridate with Platinum Hybrid Film VL - 20 SP - 2324 KW - electrocatalysis KW - electrodes KW - hexachloroiridate KW - modified KW - oxide KW - platinum KW - ruthenium AU - Umasankar, Yogeswaran AU - Chen, Shen-Ming AU - Li, Sheh-Hung PY - 2008/// UR - http://dx.doi.org/10.1002/elan.200804322 ER -