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Microwave-hydrothermal synthesis of Co-doped FeS2 as a visible-light photocatalyst

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Abstract

Co-doped FeS2 composites were successfully synthesized through a facile microwave-hydrothermal process. The products were characterized by X-ray diffraction, X-ray Photoelectron Spectroscopy, field emission scanning electron microscope, UV–Vis diffuse reflectance spectra, and Raman spectroscopy. Cobalt doping didn’t change the basic structure of pyrite FeS2. But the spherical FeS2 product changed into some aggregated laminar particles. The Co-doped FeS2 product exhibited higher absorption in visible-light region and the photocatalytic performance was greatly enhanced. The Co0.333Fe0.667S2 product could decompose 48.9 % methylene blue within 210 min, which was 36.5 % higher than that of the pristine FeS2.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Project No. 51162005), National High-Tech Research, Development Program of China (863 Program, Project No. 2012AA050704) and Guangxi Natural Science Foundation (2012GXNSFFA060007).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Key Laboratory of Nonferrous Materials and New Processing Technology of Ministry of Education, Guilin University of Technology, Guilin, 541004, China

    Fei Long, Jinyun He, Mingyue Zhang, Xiaoli Wu, Shuyi Mo & Zhengguang Zou

  2. Hubei Province Supervision and Testing Institute For Building Materials Product Quality, Wuhan, 430071, China

    Yecui Zhou

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  1. Fei Long
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Correspondence to Fei Long.

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Long, F., He, J., Zhang, M. et al. Microwave-hydrothermal synthesis of Co-doped FeS2 as a visible-light photocatalyst. J Mater Sci 50, 1848–1854 (2015). https://doi.org/10.1007/s10853-014-8747-5

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  • DOI: https://doi.org/10.1007/s10853-014-8747-5

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