Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study
Alkylphosphonic acids are well known for their ability to form self-assembled monolayers on hydroxide surfaces. A crucial step to understanding fundamentally how these surfaces are created is the elucidation of the interaction process that leads to such interface creation. In this study, we employed...
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| Format: | Article |
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MDPI AG
2022-01-01
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| Series: | Electrochem |
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| Online Access: | https://www.mdpi.com/2673-3293/3/1/4 |
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| author | Valbonë Mehmeti Fetah Podvorica |
| author_facet | Valbonë Mehmeti Fetah Podvorica |
| author_sort | Valbonë Mehmeti |
| collection | DOAJ |
| description | Alkylphosphonic acids are well known for their ability to form self-assembled monolayers on hydroxide surfaces. A crucial step to understanding fundamentally how these surfaces are created is the elucidation of the interaction process that leads to such interface creation. In this study, we employed electrochemical impedance spectroscopy (EIS), Monte Carlo and molecular dynamics to understand this process. The interaction with the Cu(111) surface of three different alkylphosphonic acids (hexyl-, octyl- and decylphosphonic acids) is evaluated in an aqueous acidic and in an ethanol solution by Monte Carlo and molecular dynamics simulations, while EIS measurements are used to put in evidence the impact of the layer made in ethanol on copper protection. Nyquist diagrams of copper samples modified with an alkylphosphonic monolayer showed a higher polarization resistance that mitigates the copper corrosion in an aqueous acid medium. The phase–frequency Bode plots had higher and broader phase maxima for a modified copper surface with phosphonic moieties, which confirmed the ability of this organic layer to prevent copper corrosion. |
| first_indexed | 2024-03-09T19:55:05Z |
| format | Article |
| id | doaj.art-698d39f7425848d488808029a9631556 |
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| issn | 2673-3293 |
| language | English |
| last_indexed | 2024-03-09T19:55:05Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
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| series | Electrochem |
| spelling | doaj.art-698d39f7425848d488808029a96315562023-11-24T00:59:48ZengMDPI AGElectrochem2673-32932022-01-0131586910.3390/electrochem3010004Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical StudyValbonë Mehmeti0Fetah Podvorica1Department of Chemistry, FNMS, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, KosovoDepartment of Chemistry, FNMS, University of Prishtina “Hasan Prishtina”, 10000 Prishtina, KosovoAlkylphosphonic acids are well known for their ability to form self-assembled monolayers on hydroxide surfaces. A crucial step to understanding fundamentally how these surfaces are created is the elucidation of the interaction process that leads to such interface creation. In this study, we employed electrochemical impedance spectroscopy (EIS), Monte Carlo and molecular dynamics to understand this process. The interaction with the Cu(111) surface of three different alkylphosphonic acids (hexyl-, octyl- and decylphosphonic acids) is evaluated in an aqueous acidic and in an ethanol solution by Monte Carlo and molecular dynamics simulations, while EIS measurements are used to put in evidence the impact of the layer made in ethanol on copper protection. Nyquist diagrams of copper samples modified with an alkylphosphonic monolayer showed a higher polarization resistance that mitigates the copper corrosion in an aqueous acid medium. The phase–frequency Bode plots had higher and broader phase maxima for a modified copper surface with phosphonic moieties, which confirmed the ability of this organic layer to prevent copper corrosion.https://www.mdpi.com/2673-3293/3/1/4surface modificationalkylphosphonic acidsEISMonte Carlomolecular dynamicscorrosion |
| spellingShingle | Valbonë Mehmeti Fetah Podvorica Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study Electrochem surface modification alkylphosphonic acids EIS Monte Carlo molecular dynamics corrosion |
| title | Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study |
| title_full | Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study |
| title_fullStr | Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study |
| title_full_unstemmed | Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study |
| title_short | Modification of Cu(111) Surface with Alkylphosphonic Acids in Aqueous and Ethanol Solution—An Experimental and Theoretical Study |
| title_sort | modification of cu 111 surface with alkylphosphonic acids in aqueous and ethanol solution an experimental and theoretical study |
| topic | surface modification alkylphosphonic acids EIS Monte Carlo molecular dynamics corrosion |
| url | https://www.mdpi.com/2673-3293/3/1/4 |
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