SCIENCE CHINA Materials, Volume 63 , Issue 11 : 2206-2214(2020) https://doi.org/10.1007/s40843-019-1263-1

Tungsten bronze Cs0.33WO3 nanorods modified by molybdenum for improved photocatalytic CO2 reduction directly from air

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  • ReceivedDec 24, 2019
  • AcceptedJan 31, 2020
  • PublishedApr 2, 2020


Funded by

the National Natural Science Foundation of China(21975193,51602237)

and the Fundamental Research Funds for the Central Universities(195208011)


This work was supported by the National Natural Science Foundation of China (21975193 and 51602237), and the Fundamental Research Funds for the Central Universities (195208011).

Interest statement

The authors declare no conflict of interest.

Contributions statement

Wu X and Wang J conceived the idea of the work. Yi L performed the preparation of materials and characterizations. Huang Y and Zhao W analyzed the photocatalytic activity. Wu X wrote the manuscript. Zhang G revised the manuscript. All authors participated in the discussion of the manuscript.

Author information

Lian Yi obtained his Bachelor’s degree from East China University of Technology in 2014. Now, he studies as a master candidate at Wuhan University of Technology, and his current research focuses on nanoscale functional materials.

Xiaoyong Wu is an associate professor at Wuhan University of Technology. He obtained his BSc degree from China University of Geosciences in 2008, and PhD degree in environmental science from Tohoku University in 2015. His current research mainly focuses on nanoscale functional materials for environmental purification and energy conversion.

Jinlong Wang obtained his BSc degree from China University of Mining Technology, and PhD degree from Tsinghua University. Now, He works at Wuhan University of Technology. His current research focuses on material synthesis and applications in the field of indoor air cleaning.


Supplementary information

Supporting data are available in the online version of the paper.


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  • Figure 1

    XRD patterns of CsWO and Mo-doped samples with various concentrations.

  • Figure 2

    TEM (a), HRTEM (b) and element mapping (c–g) images of the sample 5% Mo-CsWO.

  • Figure 3

    XPS spectra of the samples CsWO and 5% Mo-CsWO: (a) survey, (b) Cs 3d, (c) W 4f, (d) O 1s, and (e) Mo 3d.

  • Figure 4

    Diffuse reflectance spectroscopy (a) and the corresponding Tauc plots (b) of the prepared four samples, and the Mott-Schottky lines (c) and the proposed band structures (d) for the CsWO and 5% Mo-CsWO samples based on calculations.

  • Figure 5

    CO (a) and CH3OH (b) yields from the anaerobic CO2 reduction during 4 h irradiation, and the corresponding productions with reaction rates from fresh air reduction (c) over the as-prepared samples; photocatalytic CO2 reduction rate as a function of various conditions (d) as well as photocatalytic stability (e) of the sample 5% Mo-CsWO.

  • Figure 6

    PL spectra (a), transient photocurrent response lines (b) and electrochemical impedance plots (c) of the samples, and the in-situ FTIR spectra (d) of the sample 5% Mo-CsWO during the CO2 reduction.