Please use this identifier to cite or link to this item:
http://hdl.handle.net/1942/18983
Title: | Electro-reduction of Oxygen to Water Mediated by Stable Glassy Carbon Electrodes Modified by Co(II)-porphyrins with Voluminous Meso-Substituent | Authors: | Marin, A.V. Aguirre, Maria J. Muena, J. P. Dehaen, W. MAES, Wouter Ngo, Thien H. Ramirez, G. Arevalo, Maria C. |
Issue Date: | 2015 | Publisher: | ESG | Source: | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 10 (5), p. 3949-3960 | Abstract: | Glassy carbon electrodes were modified by physisorption of two different Co(II)-porphyrins, specifically designed and synthesized to study the effect of the substitution pattern (and the resulting steric hindrance) on the electrocatalytic behavior for a characteristic inner-sphere reaction such as the reduction of oxygen. In spite of the change in morphology caused by a change in the relative positions of the meso substituents, they showed practically the same behavior toward the electro-reduction of O-2. In both cases, water was obtained as the main product. The modified electrodes were also active toward the electro-reduction of hydrogen peroxide. Both electrodes were found stable for more than a month upon exposure to air and the current for the electro-reduction remained practically the same. | Notes: | [Marin, A., V] Univ Tarapaca, Fac Ingn Ind Inform & Sistemas, Arica, Chile. [Aguirre, M. J.; Muena, J. P.] Univ Santiago Chile, Fac Quim & Biol, Dept Quim Mat, Estn Cent, Santiago, Chile. [Dehaen, W.; Maes, W.; Ngo, Thien H.] Katholieke Univ Leuven, Dept Chem, Mol Design & Synth, B-3001 Leuven, Belgium. [Maes, W.] Hasselt Univ, Inst Mat Res IMO IMOMEC, DSOS, B-3590 Diepenbeek, Belgium. [Ngo, Thien H.] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, ICYS, Tsukuba, Ibaraki 3050044, Japan. [Ramirez, G.] Pontificia Univ Catolica Chile, Fac Quim, Dept Quim Inorgan, Santiago, Chile. [Arevalo, M. C.] Univ La Laguna, Fac Quim, Dept Quim Fis, Tenerife 38071, Spain. | Keywords: | co-porphyrins; electro-reduction of oxygen; modified electrodes; oxygen to water reduction; substitution pattern;Co-porphyrins; electro-reduction of oxygen; modified electrodes; oxygen to water reduction; substitution pattern | Document URI: | http://hdl.handle.net/1942/18983 | ISSN: | 1452-3981 | e-ISSN: | 1452-3981 | ISI #: | 000354782200022 | Rights: | © 2015 The Authors. Published by ESG (www.electrochemsci.org). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/). | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
marin 1.pdf | Published version | 832.08 kB | Adobe PDF | View/Open |
WEB OF SCIENCETM
Citations
4
checked on May 2, 2024
Page view(s)
22
checked on Sep 7, 2022
Download(s)
8
checked on Sep 7, 2022
Google ScholarTM
Check
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.