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Dissolution of Platinum Single Crystals in Acidic Medium
Platinum single crystal basal planes consisting of Pt(111), Pt(100), Pt(110) and reference polycrystalline platinum Pt(poly) were subjected to various potentiodynamic and potentiostatic electrochemical treatments in 0.1 M HClO(4). Using the scanning flow cell coupled to an inductively coupled plasma...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6899853/ https://www.ncbi.nlm.nih.gov/pubmed/31603611 http://dx.doi.org/10.1002/cphc.201900866 |
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author | Sandbeck, Daniel J. S. Brummel, Olaf Mayrhofer, Karl J. J. Libuda, Jörg Katsounaros, Ioannis Cherevko, Serhiy |
author_facet | Sandbeck, Daniel J. S. Brummel, Olaf Mayrhofer, Karl J. J. Libuda, Jörg Katsounaros, Ioannis Cherevko, Serhiy |
author_sort | Sandbeck, Daniel J. S. |
collection | PubMed |
description | Platinum single crystal basal planes consisting of Pt(111), Pt(100), Pt(110) and reference polycrystalline platinum Pt(poly) were subjected to various potentiodynamic and potentiostatic electrochemical treatments in 0.1 M HClO(4). Using the scanning flow cell coupled to an inductively coupled plasma mass spectrometer (SFC‐ICP‐MS) the transient dissolution was detected on‐line. Clear trends in dissolution onset potentials and quantities emerged which can be related to the differences in the crystal plane surface structure energies and coordination. Pt(111) is observed to have a higher dissolution onset potential while the generalized trend in dissolution rates and quantities was found to be Pt(110)>P(100)≈Pt(poly)>Pt(111). |
format | Online Article Text |
id | pubmed-6899853 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-68998532019-12-19 Dissolution of Platinum Single Crystals in Acidic Medium Sandbeck, Daniel J. S. Brummel, Olaf Mayrhofer, Karl J. J. Libuda, Jörg Katsounaros, Ioannis Cherevko, Serhiy Chemphyschem Articles Platinum single crystal basal planes consisting of Pt(111), Pt(100), Pt(110) and reference polycrystalline platinum Pt(poly) were subjected to various potentiodynamic and potentiostatic electrochemical treatments in 0.1 M HClO(4). Using the scanning flow cell coupled to an inductively coupled plasma mass spectrometer (SFC‐ICP‐MS) the transient dissolution was detected on‐line. Clear trends in dissolution onset potentials and quantities emerged which can be related to the differences in the crystal plane surface structure energies and coordination. Pt(111) is observed to have a higher dissolution onset potential while the generalized trend in dissolution rates and quantities was found to be Pt(110)>P(100)≈Pt(poly)>Pt(111). John Wiley and Sons Inc. 2019-11-08 2019-11-19 /pmc/articles/PMC6899853/ /pubmed/31603611 http://dx.doi.org/10.1002/cphc.201900866 Text en ©2019 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Articles Sandbeck, Daniel J. S. Brummel, Olaf Mayrhofer, Karl J. J. Libuda, Jörg Katsounaros, Ioannis Cherevko, Serhiy Dissolution of Platinum Single Crystals in Acidic Medium |
title | Dissolution of Platinum Single Crystals in Acidic Medium |
title_full | Dissolution of Platinum Single Crystals in Acidic Medium |
title_fullStr | Dissolution of Platinum Single Crystals in Acidic Medium |
title_full_unstemmed | Dissolution of Platinum Single Crystals in Acidic Medium |
title_short | Dissolution of Platinum Single Crystals in Acidic Medium |
title_sort | dissolution of platinum single crystals in acidic medium |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6899853/ https://www.ncbi.nlm.nih.gov/pubmed/31603611 http://dx.doi.org/10.1002/cphc.201900866 |
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