Anodic formation of titania nanotubes with ultrahigh aspect ratio

Keisuke Nakayama, Takaya Kubo, Yoshinori Nishikitani

研究成果: Article査読

17 被引用数 (Scopus)

抄録

We report on the anodic formation of titania nanotubes with a uniform diameter of about 20 nm and an aspect ratio over 1000:1 in an HClO4 solution. The as-prepared product was obtained as an amorphous structure, which can be crystallized to a pure anatase structure with hollow characteristics remaining. The cross-sectional scanning electron microscopy images of interfaces between the Ti substrate and titania indicate that the gradual structural transformation of titania induced by concentrated ion species via localized electrochemical reactions is the underlying mechanism for the formation of nanotubes.

本文言語English
ジャーナルElectrochemical and Solid-State Letters
11
3
DOI
出版ステータスPublished - 2008
外部発表はい

ASJC Scopus subject areas

  • 電気化学
  • 材料科学(全般)

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