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Journal of Materials Science

, Volume 53, Issue 14, pp 10039–10048 | Cite as

Novel Bi12TiO20/g-C3N4 composite with enhanced photocatalytic performance through Z-scheme mechanism

  • Wang Yu
  • Lei Zou
  • Haoran Wang
  • Xiong Wang
Chemical routes to materials
  • 167 Downloads

Abstract

Novel Bi12TiO20/g-C3N4 composite was successfully prepared with Bi12TiO20 nanoparticles embedded within the fluffy crumpled g-C3N4 nanosheets. Bi12TiO20/g-C3N4 composites exhibit superior photoactivity and stability. As compared with g-C3N4 and Bi12TiO20, the photocatalytic efficiency of Bi12TiO20/g-C3N4 is effectively enhanced about 1.8- and 4.9-fold, respectively. Based on the trapping experiment, ·OH and ·O2 radicals are the dominant reactive oxygen species involved in the photocatalytic process. The proposed Z-scheme mechanism of charge transfer markedly promotes the carriers’ migration and separation, leading to the enhanced photocatalytic performance.

Notes

Acknowledgements

This work was financially supported by NSFC (21001064) and the Natural Science Foundation of Jiangsu Province (BK2010487).

Supplementary material

10853_2018_2311_MOESM1_ESM.pdf (658 kb)
Supplementary material 1 (PDF 658 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Materials Science and EngineeringNanjing University of Science and TechnologyNanjingChina

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