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- Publisher Website: 10.1016/0022-0728(87)80045-1
- Scopus: eid_2-s2.0-0001219013
- WOS: WOS:A1987J227300016
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Article: Effects of electrode surface pretreatments on the electrochemistry of a macrocyclic dioxoruthenium(VI) complex
Title | Effects of electrode surface pretreatments on the electrochemistry of a macrocyclic dioxoruthenium(VI) complex |
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Authors | |
Issue Date | 1987 |
Citation | Journal Of Electroanalytical Chemistry, 1987, v. 226 n. 1-2, p. 211-226 How to Cite? |
Abstract | The reductive electrochemistry of trans-[RuVI(TMC)(O)2]2+ (TMC = 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane) follows different courses in aprotic and aqueous media. In acetonitrile, a one-electron reduction to trans-[RuV(TMC)(O)2]+ occurs. In aqueous acid trans-[RuIV(TMC)O(OH2)]2+ is formed in a single, two-electron, two-proton step. [RuV(TMC)(O)2]+ disproportionates to [RuVI(TMC)(O)2]2+ and [RuIV(TMC)O(OH2)]2+ in the presence of acid. The oxidation of [RuIV(TMC)O(OH2)]2+ in aqueous acid is facile at pyrolytic graphite and oxidatively "activated" glassy carbon electrodes but hindered at unactivated glassy carbon, platinum and gold electrodes. Slow proton transfer is identified as the origin of the slow oxidation and oxygen-containing groups on "activated" electrodes are suggested as the catalysts for this step. © 1987. |
Persistent Identifier | http://hdl.handle.net/10722/167329 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Che, CM | en_US |
dc.contributor.author | Wong, KY | en_US |
dc.contributor.author | Anson, FC | en_US |
dc.date.accessioned | 2012-10-08T03:05:43Z | - |
dc.date.available | 2012-10-08T03:05:43Z | - |
dc.date.issued | 1987 | en_US |
dc.identifier.citation | Journal Of Electroanalytical Chemistry, 1987, v. 226 n. 1-2, p. 211-226 | en_US |
dc.identifier.issn | 0022-0728 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/167329 | - |
dc.description.abstract | The reductive electrochemistry of trans-[RuVI(TMC)(O)2]2+ (TMC = 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane) follows different courses in aprotic and aqueous media. In acetonitrile, a one-electron reduction to trans-[RuV(TMC)(O)2]+ occurs. In aqueous acid trans-[RuIV(TMC)O(OH2)]2+ is formed in a single, two-electron, two-proton step. [RuV(TMC)(O)2]+ disproportionates to [RuVI(TMC)(O)2]2+ and [RuIV(TMC)O(OH2)]2+ in the presence of acid. The oxidation of [RuIV(TMC)O(OH2)]2+ in aqueous acid is facile at pyrolytic graphite and oxidatively "activated" glassy carbon electrodes but hindered at unactivated glassy carbon, platinum and gold electrodes. Slow proton transfer is identified as the origin of the slow oxidation and oxygen-containing groups on "activated" electrodes are suggested as the catalysts for this step. © 1987. | en_US |
dc.language | eng | en_US |
dc.relation.ispartof | Journal of Electroanalytical Chemistry | en_US |
dc.title | Effects of electrode surface pretreatments on the electrochemistry of a macrocyclic dioxoruthenium(VI) complex | en_US |
dc.type | Article | en_US |
dc.identifier.email | Che, CM:cmche@hku.hk | en_US |
dc.identifier.authority | Che, CM=rp00670 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1016/0022-0728(87)80045-1 | - |
dc.identifier.scopus | eid_2-s2.0-0001219013 | en_US |
dc.identifier.volume | 226 | en_US |
dc.identifier.issue | 1-2 | en_US |
dc.identifier.spage | 211 | en_US |
dc.identifier.epage | 226 | en_US |
dc.identifier.isi | WOS:A1987J227300016 | - |
dc.identifier.scopusauthorid | Che, CM=7102442791 | en_US |
dc.identifier.scopusauthorid | Wong, KY=7404760030 | en_US |
dc.identifier.scopusauthorid | Anson, FC=7006393695 | en_US |
dc.identifier.issnl | 0022-0728 | - |