Structural and Optical Properties of TiO2 Nanoarray Films Prepared by Liquid Phase Deposition

Xiao Qiang Wang; Meng Wang; Jian Min Wang; Chun Lei Zha; Cong Mian Zhen

doi:10.4028/www.scientific.net/KEM.512-515.364

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 512-515Structural and Optical Properties of TiO2...

Structural and Optical Properties of TiO₂ Nanoarray Films Prepared by Liquid Phase Deposition

Abstract:

In this thesis, highly ordered TiO₂ nanotube array films were fabricated via liquid phase depostition (LPD) method, based on different anodized aluminum (AAO) templates. The surface morphology, structure and diffuse reflection spectrum were analyzed by XRD, SEM, UV diffuse reflection spectrum. The results show that the crystal structure of the TiO₂ nano array was anatase after heat-treating at 400 °C. SEM photographs show that nanobube arrays have an average diamieter of 50~80nm, the surface morphology is flat, and the tublar structure is not violated after heat-treating. As the growth times increased, red-shift effect was abserved in diffuse reflection spectra. And the optical band gap is respectively 1.48ev, 1.70ev and 2.08ev as the growth time is 10mins, 20 mins and 30mins.

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Key Engineering Materials (Volumes 512-515)

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364-367

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.512-515.364

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Online since:

June 2012

Authors:

Xiao Qiang Wang, Meng Wang, Jian Min Wang, Chun Lei Zha, Cong Mian Zhen

Keywords:

AAO Membrane, Liquid Phase Deposition (LPD), Optical Property, TiO₂ Nanoarray Films

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