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Highly efficient photocatalytic performance of graphene oxide/TiO2–Bi2O3 hybrid coating for organic dyes and NO gas

  • Chuansheng ChenEmail author
  • Shiyi Cao
  • Hui Long
  • Guoping Qian
  • Yuenhong TsangEmail author
  • Li Gong
  • Weiwei Yu
  • Yi Xiao
Article

Abstract

To enhance the recyclability and operability of graphene oxide/TiO2–Bi2O3 (GO–T–B) hybrids photocatalyst in water solution, we studied its photocatalytic activity for degradation of organics pollution and removal of NO gas, respectively, by using the fabricated GO–T–B hybrid coatings. Experimental results showed that the GO–T–B hybrid coating exhibited better photocatalytic activity for RhB and MO than P25 coating, as well as an excellent photocatalytic activity for NO gas, where the removal ratio of NO gas reaches 78.5 % within 60 min. The nanoparticles coating is a simple and valid method to improve the recyclability of nanoparticles. The resultant GO–T–B hybrid coating has great potential for the applications of sewage treatment and air cleaning.

Keywords

TiO2 Photocatalytic Activity Methyl Orange Bi2O3 Hybrid Coating 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

This work is supported by the National Science Foundation of China (No. 51302021), Hunan Provincial Natural Science Foundation of China (No. 14JJ2077), the Construct Program of the Key Discipline in Hunan Province, and Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Chuansheng Chen
    • 1
    • 2
    Email author
  • Shiyi Cao
    • 1
  • Hui Long
    • 2
  • Guoping Qian
    • 3
  • Yuenhong Tsang
    • 2
    Email author
  • Li Gong
    • 1
  • Weiwei Yu
    • 1
  • Yi Xiao
    • 1
  1. 1.College of Physics and Electronic ScienceChangsha University of Science and TechnologyChangshaPeople’s Republic of China
  2. 2.Department of Applied PhysicsThe Hong Kong Polytechnic UniversityHong KongChina
  3. 3.School of Traffic and Transportation EngineeringChangsha University of Science and TechnologyChangshaPeople’s Republic of China

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