Structure and Raman Investigations of Nitrogen-Doped TiO2 Nanotube Arrays

Hai Ying Wang; Xiao Jun Xu; Jian Hong Wei; Rui Xiong; Jing Shi

doi:10.4028/www.scientific.net/SSP.181-182.422

Paper Titles

Microwave Dielectric Properties of Ca[(Li_1/3Nb_2/3)_0.95Zr_0.05]O_3−δ−xTiO₂ Ceramics
p.405

Annealing of a-Si:H Thin Film by Rapid Thermal Process
p.409

Investigation of Quantum Beatings at 608 cm^-1 and 70 cm^-1 in Rb Vapor
p.413

Effect of Sodium Chloride on the Sol-Gel Synthesized Silica Colloidal Particles
p.417

Structure and Raman Investigations of Nitrogen-Doped TiO₂ Nanotube Arrays
p.422

Influence of Radio Frequency Power on Microstructure of Microcrystalline Silicon Films
p.426

Light Scattering Images of Amplitude, Phase and Polarization from Typical Blood Cells
p.430

Electrodeposition of Polyhedral Copper Crystals on Porous Silicon
p.434

Crystal Structure and Microwave Dielectric Properties of Ca[(Li_1/3Nb_2/3)_0.95Zr_0.15]O_3+δ Ceramics with Pr³⁺ Substitution at A-Site
p.439

HomeSolid State PhenomenaSolid State Phenomena Vols. 181-182Structure and Raman Investigations of...

Structure and Raman Investigations of Nitrogen-Doped TiO₂ Nanotube Arrays

Abstract:

The N-doped TiO₂ nanotube arrays were prepared by electrochemical anodization and thermal annealing in ammonia flux. All the undoped and N-doped TiO₂ nanotube arrays were pure anatase phase and the N-doped TiO₂ shows obviously enhanced absorption intensity in the visible light region. The investigations on the low-frequency E_g anatase mode of Raman spectra verify that the crystallite size increases from 7.5 nm to 8.5 nm with the increase of the doped nitrogen temperature. The ratio of oxygen atoms to titanium atoms is 2.419 after titania being annealing in NH₃ air stream. It could be concluded that the size effect and oxide vacancies introduced by nitrogen doping lead the great increase of UV-Vis absorption for N-doped TiO₂ nanotubes.

You might also be interested in these eBooks

Liquid Crystals and Related Materials II

View Preview

Info:

Periodical:

Solid State Phenomena (Volumes 181-182)

Pages:

422-425

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.181-182.422

Citation:

Cite this paper

Online since:

November 2011

Authors:

Hai Ying Wang, Xiao Jun Xu, Jian Hong Wei, Rui Xiong, Jing Shi

Keywords:

Electrochemical Anodization, Nitrogen Doping, Size Effect, TiO₂ Nanotube

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

References

[1] C. C. Wu, Y. J. Zhuo, P.N. Zhu, B. Chi, J. Pu and J. Li: J. Inorg. Mater. Vol. 24 (2009), p.897.

Google Scholar

[2] S. Sreekantan, R. Hazan, and Z. Lockman: Thin solid Films Vol. 518 (2009), p.16.

Google Scholar

[3] Y. B. Liu, B. X. Zhou, J. Bai et al.: Appl. Catal. B: Environ. Vol. 89 (2009), p.142.

Google Scholar

[4] M. H. Seo, M. Yuasa, T. Kida et al.: Sens. Actuators B: Chem. Vol. 137 (2009), p.513.

Google Scholar

[5] X. B. Chen and S. S. Mao: Chem. Rev. Vol. 107 (2007), p.2891.

Google Scholar

[6] R. Asahi, T. Morikawa, T. Ohwaki, K. Aoki and Y. Taga: Science Vol. 293 (2001), p.269.

Google Scholar

[7] T. Morikawa, R. Asahi, K. Aoki and Y. Taga: Jpn. J. Appl. Phys. Part 2 Vol. 40 (2001), p. L561.

Google Scholar

[8] T. Lindgren, J. M. Mwabora, E. Avendano et al.: J. Phys. Chem. A Vol. 107 (2003), p.107.

Google Scholar

[9] C. DiValentin, G. Pacchioni and A. Selloni: Phys. Re. B Vol. 70 (2004), p.085116.

Google Scholar

[10] M. Batzil, E. H. Morales and U. Diebold: Phys. Re. Lett. Vol. 96 (2006), p.026103.

Google Scholar

[11] T. Ihara, M. Miyoshi, M. Ando et al.: J. Mater. Sci. Vol. 36 (2001), p.4201.

Google Scholar

[12] I. Nakamura, N. Negishi and S. Kutsuna: J. Molec. Catal. A: Chemical Vol. 161 (2000), p.205.

Google Scholar

[13] H. Richter, Z. P. Wang and L. Ley: Solid State Commun. Vol. 39 (1981), p.625.

Google Scholar