Biomimetic Synthesis and Characterization of Mesoporous Titanium Dioxide |
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| Authors: | H‐S Zhao W He Y‐J Feng X‐T Jia X‐D Zhang Z‐M Li S‐P Yan W‐J Zhou |
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| Affiliation: | 1. Department of Materials Science and Engineering, Shandong Institute of Light Industry, P. R. China;2. Biomaterials Research Center, South China University of Technology, Guangzhou, P. R. China |
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| Abstract: | Mesoporous titanium dioxide (TiO2) with a pore size range from 5–7 nm was synthesized by a sol‐gel method using biosurfactant phosphatidylcholines as an organic template. Titanium tetrabutoxide (TBOT) was used as the precursor. A very fine mesoporous structure formed in the particle was maintained after a heat treatment at 700 °C. Low‐angle X‐ray powder diffraction (XRD) and a pore size distribution curve revealed the existence of the mesoporous structure. Transmission Electron Microscopy (TEM) and N2 adsorption–desorption isotherms were utilized for further characterization. A significant red shift in the UV‐VIS spectrum of the porous material was observed, which could be explained by the energy band theory. The results confirmed the synthesis of mesoporous TiO2. |
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| Keywords: | Adsorption Biosurfactants Desorption Mesoporous materials Sol‐gel |
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