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Journal of Radioanalytical and Nuclear Chemistry

, Volume 322, Issue 2, pp 1115–1125 | Cite as

Efficient photocatalytic removal of U(VI) over π-electron-incorporated g-C3N4 under visible light irradiation

  • Junyuan Gong
  • Zongbo XieEmail author
  • Chuanbao Xiong
  • Chang Liu
  • Ziqiang Li
  • Zhanggao Le
Article
  • 31 Downloads

Abstract

A series of π-electrons incorporated graphitic carbon nitride (g-C3N4) photocatalysts were prepared using a facile copolymerization strategy, allowing aromatic rings to be grafted into the (g-C3N4) network. The photocatalyst activity of aromatic rings grafted samples in the photoreduction elimination reaction of U(VI) was significantly enhanced, which was more efficient than that achieved by pristine g-C3N4. In addition, the anthracene-grafted g-C3N4 showed excellent U(VI) removal properties, 99% of U(VI) was eliminated within 30 min of visible light irradiation, and the samples still showed the high photoreduction activity after 3 reaction cycles. On the basis of the experimental and characterization analysis, the enhanced photoreduction activity could be attributed to accelerating the electron transportation of π-electrons incorporated.

Keywords

π-Electrons incorporate Carbon nitride Photocatalytic Uranium 

Notes

Acknowledgements

We thank the National Natural Science Foundation of China (Nos. 11765002, 21966003), the National Natural Science Foundation of Jiangxi (No. 20181BAB203019), and the graduate innovation project fund of East China University of Technology (DHYC-201912) for the financial support. We also appreciate the instrumentation for the experimental testing provided by other research groups in East China University of Technology.

Supplementary material

10967_2019_6817_MOESM1_ESM.docx (1.3 mb)
Supplementary material 1 (DOCX 1354 kb)

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Nuclear Resources and EnvironmentEast China University of TechnologyNanchangPeople’s Republic of China
  2. 2.School of Nuclear Science and EngineeringEast China University of TechnologyNanchangPeople’s Republic of China

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