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In situ preparation of Z-scheme MoO3/g-C3N4 composite with high performance in photocatalytic CO2 reduction and RhB degradation

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Abstract

This research was designed for the first time to investigate the photocatalytic activities of MoO3/g-C3N4 composite in converting CO2 to fuels under simulated sunlight irradiation. The composite was synthesized using a simple impregnation-heating method and MoO3 nanoparticles was in situ decorated on the g-C3N4 sheet. Characterization results indicated that the introduction of MoO3 nanoparticles into g-C3N4 fabricated a direct Z-scheme heterojunction structure. The effective interfacial charge-transfer across the heterojunction significantly promoted the separation efficiency of charge carriers. The optimal CO2 conversion rate of the composite reached 25.6 µmol/(h gcat), which was 2.7 times higher than that of g-C3N4. Additionally, the synthesized MoO3/g-C3N4 also presented excellent photoactivity in RhB degradation under visible-light irradiation.

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ACKNOWLEDGMENTS

This work was financially supported by Natural Science Foundation of Zhejiang Province in China (LY16B030002).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Zhejiang Normal University, Jinhua, 321004, China

    Zhe Feng, Lin Zeng, Yijin Chen, Yueying Ma, Chunran Zhao, Risheng Jin, Yu Lu & Yiming He

  2. Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China

    Ying Wu

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  1. Zhe Feng
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Correspondence to Yiming He.

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43578_2017_32193660_MOESM1_ESM.docx

In-situ preparation of Z-scheme MoO3/g-C3N4 composite with high performance in photocatalytic CO2 reduction and RhB degradation

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Feng, Z., Zeng, L., Chen, Y. et al. In situ preparation of Z-scheme MoO3/g-C3N4 composite with high performance in photocatalytic CO2 reduction and RhB degradation. Journal of Materials Research 32, 3660–3668 (2017). https://doi.org/10.1557/jmr.2017.271

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