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Fabrication of Anodic Porous Alumina by Squaric Acid Anodizing

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Title: Fabrication of Anodic Porous Alumina by Squaric Acid Anodizing
Authors: Kikuchi, Tatsuya Browse this author →KAKEN DB
Yamamoto, Tsuyoshi Browse this author →KAKEN DB
Natsui, Shungo Browse this author →KAKEN DB
Suzuki, Ryosuke O. Browse this author →KAKEN DB
Keywords: Aluminum
Anodic Porous Alumina
Squaric Acid
Nanostructure fabrication
Issue Date: 20-Mar-2014
Publisher: Elsevier
Journal Title: Electrochimica Acta
Volume: 123
Start Page: 14
End Page: 22
Publisher DOI: 10.1016/j.electacta.2013.12.186
Abstract: The growth behavior of anodic porous alumina formed via anodizing in a new electrolyte, squaric acid (3,4-dihydroxy-3-cyclobutene-1,2-dione), is reported for the first time. A high-purity aluminum foil was anodized in a 0.1 M squaric acid solution at 293 K and a constant applied potential of 100-150 V. Anodic oxides grew on the aluminum foil at applied potentials of 100-120 V, but a burned oxide film was formed at higher voltage. Anodic porous alumina with a cell size of approximately 200-400 nm and sub-100-nm-scale pore diameter was successfully fabricated by anodizing in squaric acid. The cell size of the anodic oxide increased with anodizing time because of the uneven growth of the porous layer. The anodic porous alumina obtained by squaric acid anodizing consists of amorphous Al2O3 containing 5-6 at% carbon from the electrolyte. (C) 2014 Elsevier Ltd. All rights reserved.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 菊地 竜也

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