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A study on the growth and structure of titania nanotubes

Published online by Cambridge University Press:  03 March 2011

Wenzhong Wang ,
Oomman K. Varghese ,
Maggie Paulose ,
Craig A. Grimes ,
Qinglei Wang  and
Elizabeth C. Dickey
Wenzhong Wang
Affiliation:
Department of Electrical Engineering, and Department of Materials Science and Engineering, 217 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
Oomman K. Varghese
Affiliation:
Department of Electrical Engineering, and Department of Materials Science and Engineering, 217 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
Maggie Paulose
Affiliation:
Department of Electrical Engineering, and Department of Materials Science and Engineering, 217 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
Craig A. Grimes*
Affiliation:
Department of Electrical Engineering, and Department of Materials Science and Engineering, 217 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
Qinglei Wang
Affiliation:
Department of Materials Science and Engineering, and Materials Research Institute, 221 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
Elizabeth C. Dickey
Affiliation:
Department of Materials Science and Engineering, and Materials Research Institute, 221 Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
*
a)Address all correspondence to this author. e-mail: cgrimes@engr.psu.edu
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Abstract

Titania nanotubes synthesized by a soft chemical process are described, having diameters of 8 nm to 10 nm and lengths ranging from approximately 0.1 μm to 1 μm. X-ray diffraction studies show the structure of the as-prepared nanotubes is the same as that of the starting anatase TiO2 nanoparticles. Energy-dispersive x-ray analysis and electron energy loss spectroscopy studies further indicate that the as-prepared nanotubes are composed of titania. Studies using transmission electron microscopy verified that the nanotubes are formed during alkali treatment, with subsequent acidic treatments having no effect on nanotube structure and shape.

Keywords

TitaniaNanotubes
Type
Rapid Communications
Information
Journal of Materials Research , Volume 19 , Issue 2 , February 2004 , pp. 417 - 422
Copyright
Copyright © Materials Research Society 2004

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References

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