Preparation TiO2 Thin Films Using Freeze Drying Technique

Hai Bo Wang; Xiang Chao Zhang; Li Chen

doi:10.4028/www.scientific.net/AMR.239-242.2738

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Preparation TiO2 Thin Films Using Freeze Drying...

Preparation TiO² Thin Films Using Freeze Drying Technique

Abstract:

Titanium dioxide (TiO₂) thin film has been successfully synthesized deposited on glass substrates by the sol–gel dip-coating method using freeze drying technique. The precursor and TiO₂ film were characterized using thermogravimetric and differential scanning calorimetric (TG-DSC), X-ray diffraction (XRD) and atomic force microscopy (AFM) analysis technology. The preparation of the precursor sols and TiO₂ film were described in detail. The XRD result demonstrates that the TiO₂ film is well crystallized and consists of anatase phase only with (101) plane. The morphology of the nanoparticles of TiO₂ thin film is spherical shape with grain size of 30.1 nm in average diameter and the surface of the TiO₂ film is smooth. The freeze drying technique offers a novel process route in treating thin film for commercial applications

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Periodical:

Advanced Materials Research (Volumes 239-242)

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2738-2741

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.2738

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Online since:

May 2011

Authors:

Hai Bo Wang, Xiang Chao Zhang, Li Chen

Keywords:

Freeze-Drying, Preparation, Thin Film, TiO₂

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