Rapid Research Letter

Self-organized nucleation layer for the formation of ordered arrays of double-walled TiO2 nanotubes with temperature controlled inner diameter

  1. Mihai Enachi1,
  2. Ion Tiginyanu2,
  3. Veaceslav Sprincean2,
  4. Veaceslav Ursaki3,*

Article first published online: 29 MAR 2010

DOI: 10.1002/pssr.201004069

Issue

physica status solidi (RRL) - Rapid Research Letters

physica status solidi (RRL) - Rapid Research Letters

Volume 4, Issue 5-6, pages 100–102, June 2010

Additional Information

How to Cite

Enachi, M., Tiginyanu, I., Sprincean, V. and Ursaki, V. (2010), Self-organized nucleation layer for the formation of ordered arrays of double-walled TiO2 nanotubes with temperature controlled inner diameter. Phys. Status Solidi RRL, 4: 100–102. doi: 10.1002/pssr.201004069

Author Information

  1. 1

    Technical University of Moldova, Bd. Stefan cel Mare 168, Chisinau MD-2004, Moldova

  2. 2

    Institute of Electronic Engineering and Nanotechnologies, Academy of Sciences of Moldova, Academy str. 3/3, Chisinau MD-2028, Moldova

  3. 3

    Institute of Applied Physics, Academy of Sciences of Moldova, Academy str. 5, Chisinau MD-2028, Moldova

*Phone: +00 373 22237508, Fax: +00 373 22738149

Publication History

  1. Issue published online: 1 JUN 2010
  2. Article first published online: 29 MAR 2010
  3. Manuscript Accepted: 23 MAR 2010
  4. Manuscript Revised: 21 MAR 2010
  5. Manuscript Received: 7 MAR 2010

Funded by

  • Academy of Sciences of Moldova. Grant Numbers: 324 b/s, 09.836.05.03A

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Keywords:

  • titania templates;
  • nanotubes;
  • electrochemistry;
  • self-organization

Abstract

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It is proposed to use the variation of the electrolyte temperature to fabricate titania nanotubes with variable inner diameter at a constant outer diameter and an invariable package density. The anodization of Ti sheets in an ethylene glycol and HF containing electrolyte is found to allow the preparation of nanotubes with the inner diameter controlled in the range from 10 nm to more than 250 nm through the change of the electrolyte temperature from –20 °C to +50 °C. The peculiarities of the anodization process performed at low electrolyte temperatures are discussed.

(© 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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