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ZnO/γ-Bi2MoO6 heterostructured nanotubes: electrospinning fabrication and highly enhanced photoelectrocatalytic properties under visible-light irradiation

  • Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)
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Abstract

ZnO/γ-Bi2MoO6 heterostructured nanotubes consisting of external shell of ZnO and γ-Bi2MoO6 with the outer diameter of about 400–500 nm and wall thickness of around 90 nm have been successfully fabricated by a combination of electrospinning and calcination strategy and characterized by TG-DSC, FT-IR, SEM, XRD, TEM, HRTEM, UV–Vis DRS, PL spectra, EIS, and TOC analysis. The photocatalytic activities of resulting nanotubes are evaluated through the photodegradation of methylene blue (MB) and measurements of photocurrent (PC) under visible-light irradiation. The results reveal that ZnO/γ-Bi2MoO6 nanotubes possess the exceptional photocatalytic and recycling properties. The enhanced degradation performance could be attributed to the positive synergistic effect of the well-established ZnO/γ-Bi2MoO6 hererostructures in promoting the transfer and separation of photogenerated carriers.

Graphical abstract

Schematic diagram of electron-hole separation mechanism for ZnO/γ-Bi2MoO6 nanotubes.

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Acknowledgements

This work was supported by Shandong Provincial Natural Science Foundation (Grant No. ZR2016BM22) and Science and Technology Development Plan Project of Shandong Province (Grant No. 2014GGX102039).

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Authors and Affiliations

  1. Shandong Provincial Key Laboratory of Processing and Testing Technology of Glass & Functional Ceramics, School of Material Science and Engineering, Qilu University of Technology, Jinan, 250353, China

    Qinyu Wang, Qifang Lu, Mingzhi Wei, Enyan Guo, Linbing Yao & Ke Sun

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  1. Qinyu Wang
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  2. Qifang Lu
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  3. Mingzhi Wei
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  4. Enyan Guo
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Correspondence to Qifang Lu.

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Wang, Q., Lu, Q., Wei, M. et al. ZnO/γ-Bi2MoO6 heterostructured nanotubes: electrospinning fabrication and highly enhanced photoelectrocatalytic properties under visible-light irradiation. J Sol-Gel Sci Technol 85, 84–92 (2018). https://doi.org/10.1007/s10971-017-4519-4

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  • DOI: https://doi.org/10.1007/s10971-017-4519-4

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