Issue 37, 2015
From the journal:

Chemical Communications

Rutile phase n- and p-type anodic titania nanotube arrays with square-shaped pore morphologies†

Piyush Kar,*a   Yun Zhang,a   Samira Farsinezhad,a   Arash Mohammadpour,a   Benjamin D. Wiltshire,a   Himani Sharma ORCID logo a  and  Karthik Shankarab  

* Corresponding authors

a Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, Canada
E-mail: pkar1@ualberta.ca

b NRC National Institute for Nanotechnology, Edmonton, Alberta, Canada
E-mail: kshankar@ualberta.ca
Tel: +1 780 492 1354

Abstract

Rutile-phase TiO2 nanotube arrays without broken walls were formed by annealing of anodically formed nanotubes in a propane flame at 650 °C and in air at 750 °C. An unusual morphological transformation was observed from the ellipsoidal pore-shapes of titania nanotubes grown in aqueous electrolyte to a square-shaped pore structure subsequent to the anneals. 750 °C annealed nanotubes were found to be lightly p-type, rare in TiO2.

Graphical abstract: Rutile phase n- and p-type anodic titania nanotube arrays with square-shaped pore morphologies

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Article information

DOI
https://doi.org/10.1039/C5CC01829C
Article type
Communication
Submitted
03 Mar 2015
Accepted
29 Mar 2015
First published
31 Mar 2015
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2015,51, 7816-7819

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Rutile phase n- and p-type anodic titania nanotube arrays with square-shaped pore morphologies

P. Kar, Y. Zhang, S. Farsinezhad, A. Mohammadpour, B. D. Wiltshire, H. Sharma and K. Shankar, Chem. Commun., 2015, 51, 7816 DOI: 10.1039/C5CC01829C

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