Preparation of Bionic Structure TiO2 Using Napkin as Template and its Photocatalytic Performance

Feng Chen; Cheng Bao Liu; Jun Chao Qian; Zheng Ying Wu; Zhi Gang Chen

doi:10.4028/www.scientific.net/MSF.787.52

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HomeMaterials Science ForumMaterials Science Forum Vol. 787Preparation of Bionic Structure TiO2 Using Napkin...

Preparation of Bionic Structure TiO₂ Using Napkin as Template and its Photocatalytic Performance

Abstract:

Biomophic titanium oxide with nanocrystalline was successfully synthesized using napkin template, which everybody uses. Unique biomorphic microstructures were characterized by field emission scanning electron microscope (FESEM), transmission electron microscopy (TEM) and nitrogen absorption-desorption techniques. TiO₂ material was characterized by repetitious networks consisting of the fibers with diameter of 1-6μm. The results showed that the products were composed by polycrystalline TiO₂ nanoparticles with diameter of ca. 5-8 nm and the high specific surface area (81.0 m²·g^-1) of sample,which were believed to result from the X-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM) and the Brunauer-Emmett-Teller (BET) method. While the concentration of acid black solution was 20 mg/L, catalyst amount 0.1 g/L, the reaction had a higher photocatalytic performance following irradiation with a visible light by xenon lamp, the decoloring rate can reach over 100% after 250 min.

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Periodical:

Materials Science Forum (Volume 787)

Pages:

52-57

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.787.52

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Online since:

April 2014

Authors:

Feng Chen, Cheng Bao Liu, Jun Chao Qian, Zheng Ying Wu, Zhi Gang Chen

Keywords:

Biotemplate, Photocatalytic, Porous Fiber, Titanium Oxide

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