A new method detaching porous anodic alumina films from aluminum substrates

Lumei Gao, Pangpang Wang, Xiaoqing Wu, Sen Yang, Xiaoping Song

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Recently, a particular focus on the research of porous anodic alumina (PAA) films is taken because of the application for growth of nanostructure materials. However, during detaching the PAA films from aluminum substrate and opening the holes of PAA films, it is quite difficult to keep intact through-hole structure of PAA films using traditional chemical etching method. Furthermore, the traditional method is time-consuming and has contamination because of the use of heavy metal ion solution. Usually, the preparation time is over 20 h. In our work, a new electric- chemical method was proposed for detaching PAA films and opening the holes of PAA films in an environmental friendly solution of HClO4-CH3OH in one step. The preparation process can be finished within 5-15 s. Compared with traditional etching method in which there are two-step processes, the electric-chemical method is simple, rapid and contamination-free. A large size PAA films with intact through-hole structure can be obtained.

Original languageEnglish
Pages (from-to)791-794
Number of pages4
JournalJournal of Electroceramics
Volume21
Issue number1-4 SPEC. ISS.
DOIs
Publication statusPublished - Dec 1 2008

Fingerprint

Aluminum Oxide
Aluminum
Alumina
aluminum oxides
aluminum
Substrates
Etching
contamination
Contamination
etching
preparation
heavy metals
Heavy Metals
Heavy ions
Heavy metals
Metal ions
Nanostructures
metal ions
heavy ions

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Mechanics of Materials
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

A new method detaching porous anodic alumina films from aluminum substrates. / Gao, Lumei; Wang, Pangpang; Wu, Xiaoqing; Yang, Sen; Song, Xiaoping.

In: Journal of Electroceramics, Vol. 21, No. 1-4 SPEC. ISS., 01.12.2008, p. 791-794.

Research output: Contribution to journalArticle

Gao, L, Wang, P, Wu, X, Yang, S & Song, X 2008, 'A new method detaching porous anodic alumina films from aluminum substrates', Journal of Electroceramics, vol. 21, no. 1-4 SPEC. ISS., pp. 791-794. https://doi.org/10.1007/s10832-007-9314-0
Gao, Lumei ; Wang, Pangpang ; Wu, Xiaoqing ; Yang, Sen ; Song, Xiaoping. / A new method detaching porous anodic alumina films from aluminum substrates. In: Journal of Electroceramics. 2008 ; Vol. 21, No. 1-4 SPEC. ISS. pp. 791-794.
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