Fabrication of open-ended high aspect-ratio anodic TiO2nanotube films for photocatalytic and photoelectrocatalytic applications

Chin-Jung Lin; Wen-Yueh Yu; Yen-Tien Lu; Shu-Hua Chien

doi:10.1039/B813937G

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Fabrication of open-ended high aspect-ratio anodic TiO₂nanotube films for photocatalytic and photoelectrocatalytic applications†

Chin-Jung Lin,^ab Wen-Yueh Yu,^ab Yen-Tien Lu^ab and Shu-Hua Chien*^ab

Author affiliations

* Corresponding authors

^a Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan
E-mail: chiensh@gate.sinica.edu.tw

^b Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan

Abstract

A facile process is introduced to flake high aspect-ratio anodic TiO₂nanotube (TiNT) arrays off Ti substrates and then chemically remove the bottom caps to obtain open-ended TiNT films that exhibit high activity to photocatalytic degradation of methylene blue and efficient hydrogen production from photoelectrocatalytic water splitting.

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Supplementary files

X-Ray diffraction profiles of the annealed TiO₂ nanotube film and the sol–gel processed TiO₂ nanoparticles; SEM image of the side view of theTiNT/FTO electrode; current density–potential characteristicsfor water splitting using the NP-TiO₂/FTO electrode in the dark and under AM 1.5Gillumination PDF (299K)

Article information

DOI: https://doi.org/10.1039/B813937G
Article type: Communication
Submitted: 13 Aug 2008
Accepted: 12 Sep 2008
First published: 14 Oct 2008

Download Citation

Chem. Commun., 2008, 6031-6033

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Fabrication of open-ended high aspect-ratio anodic TiO₂nanotube films for photocatalytic and photoelectrocatalytic applications

C. Lin, W. Yu, Y. Lu and S. Chien, Chem. Commun., 2008, 6031 DOI: 10.1039/B813937G

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Chemical Communications