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Journal of Porous Materials

, Volume 25, Issue 3, pp 677–685 | Cite as

Constructing photocatalyst from β-Bi2O3 photonic crystals for enhanced photocatalytic performance

  • Xiaofang Li
  • Zhangsen Chen
  • Huanhuan Quan
  • Yu Shao
  • Danzhen Li
Article

Abstract

Photonic crystals with highly ordered structure have presented a prospective application in the design of photocatalysts. Herein, we fabricated visible-light active β-Bi2O3 photonic crystals via a modified sandwich infiltration method. By using the acetylacetone-complexed metal ion precursors, pure β-Bi2O3 photonic crystals with highly ordered structure could be obtained at a calcination temperature of 400 °C. Benefited from the facilitated mass transport in the highly ordered structure, β-Bi2O3 photonic crystals exhibited higher photocatalytic activity towards organic pollutions degradation than porous β-Bi2O3 and β-Bi2O3 nanocrystals. Furthermore, the photonic band gap of β-Bi2O3 photonic crystals could be modulated to overlap its electronic band gap by changing the macropore diameter into 220 nm. Slow photon effect could be observed over the β-Bi2O3 photonic crystals with a pore diameter of 220 nm, which enhanced the electronic band gap absorption and further improved the corresponding photocatalytic activity. The enhanced activity stability of β-Bi2O3 photonic crystals could also be observed. Based on the detection of active species, the degradation mechanism over β-Bi2O3 photonic crystals was discussed. The fabrication of β-Bi2O3 photonic crystals in this study provides experimental guidance for developing photonic crystals with enhanced visible light absorption and photocatalytic activities.

Keywords

β-Bi2O3 Photocatalysis Photonic crystal Visible light Degradation Slow photon 

Notes

Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (21173047 and 21373049).

Supplementary material

10934_2017_480_MOESM1_ESM.docx (2.1 mb)
Supplementary material 1 (DOCX 2190 KB)

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Xiaofang Li
    • 1
  • Zhangsen Chen
    • 1
  • Huanhuan Quan
    • 1
  • Yu Shao
    • 1
  • Danzhen Li
    • 1
  1. 1.State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of PhotocatalysisFuzhou UniversityFuzhouPeople’s Republic of China

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