Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina
<p>Abstract</p> <p>Two different ionic liquids have been tested in the electrochemical fabrication of anodic porous alumina in an aqueous solution of oxalic acid. It was found that during galvanostatic anodization of the aluminum at a current density of 200 mA/cm<sup>2</su...
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Format: | Article |
Language: | English |
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SpringerOpen
2009-01-01
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Series: | Nanoscale Research Letters |
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Online Access: | http://dx.doi.org/10.1007/s11671-009-9337-3 |
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author | Salerno Marco Patra Niranjan Cingolani Roberto |
author_facet | Salerno Marco Patra Niranjan Cingolani Roberto |
author_sort | Salerno Marco |
collection | DOAJ |
description | <p>Abstract</p> <p>Two different ionic liquids have been tested in the electrochemical fabrication of anodic porous alumina in an aqueous solution of oxalic acid. It was found that during galvanostatic anodization of the aluminum at a current density of 200 mA/cm<sup>2</sup>, addition of 0.5% relative volume concentration of 1-butyl-3-methylimidazolium tetrafluoborate resulted in a three-fold increase of the growth rate, as compared to the bare acidic solution with the same acid concentration. This ionic liquid was also used successfully for an assessment of the wettability of the outer surface of the alumina, by means of liquid contact angle measurements. The results have been discussed and interpreted with the aid of atomic force microscopy. The observed wetting property allowed to use the ionic liquid for protection of the pores during a test removal of the oxide barrier layer.</p> |
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institution | Directory Open Access Journal |
issn | 1931-7573 1556-276X |
language | English |
last_indexed | 2024-03-12T09:17:30Z |
publishDate | 2009-01-01 |
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series | Nanoscale Research Letters |
spelling | doaj.art-f2ac9b5527534a6491ad79074c5887b42023-09-02T14:44:42ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2009-01-0148865872Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous AluminaSalerno MarcoPatra NiranjanCingolani Roberto<p>Abstract</p> <p>Two different ionic liquids have been tested in the electrochemical fabrication of anodic porous alumina in an aqueous solution of oxalic acid. It was found that during galvanostatic anodization of the aluminum at a current density of 200 mA/cm<sup>2</sup>, addition of 0.5% relative volume concentration of 1-butyl-3-methylimidazolium tetrafluoborate resulted in a three-fold increase of the growth rate, as compared to the bare acidic solution with the same acid concentration. This ionic liquid was also used successfully for an assessment of the wettability of the outer surface of the alumina, by means of liquid contact angle measurements. The results have been discussed and interpreted with the aid of atomic force microscopy. The observed wetting property allowed to use the ionic liquid for protection of the pores during a test removal of the oxide barrier layer.</p>http://dx.doi.org/10.1007/s11671-009-9337-3Porous aluminaAnodizationGalvanostaticIonic liquidsWettabilityRoughness |
spellingShingle | Salerno Marco Patra Niranjan Cingolani Roberto Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina Nanoscale Research Letters Porous alumina Anodization Galvanostatic Ionic liquids Wettability Roughness |
title | Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina |
title_full | Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina |
title_fullStr | Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina |
title_full_unstemmed | Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina |
title_short | Use of Ionic Liquid in Fabrication, Characterization, and Processing of Anodic Porous Alumina |
title_sort | use of ionic liquid in fabrication characterization and processing of anodic porous alumina |
topic | Porous alumina Anodization Galvanostatic Ionic liquids Wettability Roughness |
url | http://dx.doi.org/10.1007/s11671-009-9337-3 |
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