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Preparation of anatase/TiO2(B) TiO2 nanosheet for high performance of photocatalytic reduction of CO2

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Abstract

The biphases TiO2 nanosheet [anatase and TiO2(B)] was prepared by a solvothermal method, and characterized by FESEM, TEM, XRD, HRTEM, Raman spectrum, UV–Vis DRS and N2 adsorption–desorption. The photocatalytic performance of prepared samples was evaluated by reduction of CO2. The results revealed that the catalyst possessed a high performance of reduction CO2 to methanol. The concentration of catalyst was a crucial factor for the yield of methanol. The possible reason for high photocatalytic activity was forming a heterojunction between two crystal phases, which can promote the separation of electron–hole pairs and prolong it’s lifetime.

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Acknowledgements

The authors thank the ShanXi Provincial Natural Science Foundation of China (2015011016) and Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering (No. CZL201505) for the financial support.

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Authors and Affiliations

  1. Chemical Engineering and Environment Institute, North University of China, Taiyuan, 030051, People’s Republic of China

    Lixin Zhang, Changhui Ni & Hao Chen

  2. College of Science, North University of China, Taiyuan, 030051, People’s Republic of China

    Hongfang Jiu

  3. Shanxi Province Key Laboratory of Higee-Oriented Chemical Engineering, North, University of China, Taiyuan, 030051, People’s Republic of China

    Guisheng Qi

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  1. Lixin Zhang
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  2. Changhui Ni
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Correspondence to Lixin Zhang.

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Zhang, L., Ni, C., Jiu, H. et al. Preparation of anatase/TiO2(B) TiO2 nanosheet for high performance of photocatalytic reduction of CO2 . J Mater Sci: Mater Electron 28, 6601–6606 (2017). https://doi.org/10.1007/s10854-017-6350-7

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  • DOI: https://doi.org/10.1007/s10854-017-6350-7

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