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Journal of Materials Science

, Volume 55, Issue 6, pp 2471–2481 | Cite as

Synthesis of carbon- and nitrogen-doped TiO2/carbon composite fibers by a surface-hydrolyzed PAN fiber and their photocatalytic property

  • Lijun JiEmail author
  • Shu Zhou
  • Xi Liu
  • Mindong Gong
  • Tong Xu
Energy materials
  • 71 Downloads

Abstract

PAN–COOH fibers were prepared with PAN fibers and used as templates, carbon source and nitrogen source for the first time to prepare carbon- and nitrogen-doped TiO2/carbon (C, N–TiO2) composite fibers. The C, N–TiO2 composite fibers were characterized by TEM, SEM, XPS, XRD, IR, Raman and UV–Vis spectrum. The composite fibers exhibited strong photocatalytic activity in photodegradation of Rh B solution under UV–Vis light. Doping C and N into TiO2 materials could reduce the band gap width of TiO2 and expand the light absorption range. The carbon fiber inside the composite fiber promoted the transfer of photoelectrons and inhibited the combination of photogenerated electrons and holes. The large specific surface area of C, N–TiO2 composite fibers was also conducive to the photocatalytic activity. The macroscale C, N–TiO2 composite fibers were easy for recycling. Therefore, the C, N–TiO2 composite fibers had the potential for dealing with organic pollutants in water.

Notes

Acknowledgements

This research was sponsored by the Natural Science Foundation of Jiangsu Province (No. BK20131226), the National Natural Science Foundation of China (No. 51273171), and a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.College of Chemistry and Chemical EngineeringYangzhou UniversityYangzhouChina

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