Increased growth rate of anodic porous alumina by use of ionic liquid as electrolyte additive

Increased growth rate of anodic porous alumina by use of ionic liquid as electrolyte additive

The use of ionic liquids 1-Butyl-3-methylimidazolium 2-(2-methoxyethoxy) ethyl sulfate and 1-Butyl-3-methylimidazolium tetrafluoborate has been tested in the fabrication of anodic porous alumina. The anodizations of the aluminium substrate have been carried out in oxalic acid in galvanostatic mode....

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Veröffentlicht in:Materials letters 2009-08, Vol.63 (21), p.1826-1829
Hauptverfasser: Salerno, Marco, Patra, Niranjan, Losso, Romeo, Cingolani, Roberto
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Sprache:eng
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Alumina
Anodization
Growth rate
Ionic liquid
Nanomaterials
Porosity
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container_title Materials letters
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creator Salerno, Marco
Patra, Niranjan
Losso, Romeo
Cingolani, Roberto
description The use of ionic liquids 1-Butyl-3-methylimidazolium 2-(2-methoxyethoxy) ethyl sulfate and 1-Butyl-3-methylimidazolium tetrafluoborate has been tested in the fabrication of anodic porous alumina. The anodizations of the aluminium substrate have been carried out in oxalic acid in galvanostatic mode. During anodization with 1-Butyl-3-methylimidazolium tetrafluoborate added electrolyte, proper tuning of the current density and of the additive concentration resulted in a three-fold increase of the growth rate as compared to the bare acidic solution with the same acid concentration. This did not cause cracks in the film during growth, and did not affect the regular structure of the pores at the interface with the substrate.
doi_str_mv 10.1016/j.matlet.2009.05.058
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subjects Alumina
Anodization
Growth rate
Ionic liquid
Nanomaterials
Porosity
title Increased growth rate of anodic porous alumina by use of ionic liquid as electrolyte additive
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