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Journal of Materials Science: Materials in Electronics

, Volume 30, Issue 17, pp 16049–16055 | Cite as

The improved photocatalytic activity of CaWO4 nanorods by loading Bi on the surface

  • Wenchao Feng
  • Jun Li
  • Zuomin Lei
  • Yi Liu
  • Yuqiu ShenEmail author
  • Zhenxing ChenEmail author
Original Research
  • 74 Downloads

Abstract

The photocatalysis of organic contaminants in water is particularly interesting in recent years. Non-noble semimetal bismuch (Bi) has come into notice because of its inexpensiveness and effective surface plasmon response (SPR) that could enhance the photocatalytic activities of photocatalysts. Herein, we reported the synthesis of CaWO4 and Bi@CaWO4 photocatalysts with rod-like microstructure. The synthesized CaWO4 and Bi@CaWO4 photocatalysts were characterized by XRD, XPS, TEM, EDS and DRS technologies. The photochemical performance and the photocatalytic activities of them were also inquired into. Bi@CaWO4 nanorods show the enhancement of photocatalytic activity comparing with the CaWO4 nanorods, which is induced by the SPR effect originating from non-noble Bi. The SPR effect results in the bumper harvest of visible light, efficient charge separation and transfer. Therefore, the photocatalutic activity of CaWO4 is enhanced by loading Bi on the surface.

Notes

Acknowledgements

This work was supported by the Fundamental Research Funds for the Central Universities (Grant No. 17lgpy69), the Guangdong Natural Science Foundation (Grant No. 2018A030310331), the Guangxi Natural Science Foundation (Grant No. 2016GXNSFDA380024) and the Foundation of the Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province.

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Copyright information

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

Authors and Affiliations

  1. 1.School of Chemical Engineering and TechnologySun Yat-sen UniversityZhuhaiPeople’s Republic of China
  2. 2.The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong ProvinceSun Yat-sen UniversityGuangzhouPeople’s Republic of China

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