Preparation of High Surface Area Anatase TiO2 by a Low Temperature Hydrothermal Process

Mei Zhen Gao; Zhi Rong Zhang; Wen Li; Wen Bao Liu; Bing Jun Yang

doi:10.4028/www.scientific.net/AMR.299-300.106

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 299-300Preparation of High Surface Area Anatase TiO2 by a...

Preparation of High Surface Area Anatase TiO₂ by a Low Temperature Hydrothermal Process

Abstract:

Pure anatase TiO₂ spheres with mesoporous structure were prepared by a simple urea assisted hydrothermal process at low temperature. The characterization of TiO₂ was examined by X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), N₂ adsorption-desorption and ultraviolet visible spectrophotometer (UV-VIS). The TEM and N₂ adsorption-desorption results confirmed that TiO₂ spheres has a mesoporous structure. The surface area of TiO₂ annealed at 400 °C is up to 302.3 m²/g with average pore diameter about 4.1 nm. While after annealed at 500 °C, the average pore diameter of TiO₂ is about 6.8 nm, but the surface area reduces to 142.6 m²/g

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Periodical:

Advanced Materials Research (Volumes 299-300)

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106-109

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https://doi.org/10.4028/www.scientific.net/AMR.299-300.106

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Online since:

July 2011

Authors:

Mei Zhen Gao, Zhi Rong Zhang, Wen Li, Wen Bao Liu, Bing Jun Yang

Keywords:

High Surface Area, Hydrothermal, Mesoporous Material, TiO₂

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