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Korean Journal of Chemical Engineering

, Volume 36, Issue 12, pp 2104–2109 | Cite as

Facile fabrication and photocatalytic activity of Ag/AgI/rGO films

  • Sooyeon Jang
  • Sung Min Lee
  • Jin Seon You
  • Hyung-Jun KooEmail author
  • Suk Tai ChangEmail author
Materials (Organic, Inorganic, Electronic, Thin Films)
  • 9 Downloads

Abstract

The composite material, Ag/AgX/graphene (X=Br, Cl, I), is considered a promising photocatalyst for photocatalytic degradation of organic pollutants. Its photocatalytic activity is superior to that of the conventional TiO2 photocatalyst; the enhanced photocatalytic activity is attributed to its effective charge separation ability and wide visible light absorption. However, the Ag/AgX/graphene composite is often prepared in the powder form, limiting its wide-spread application. In addition, the simple fabrication of Ag/AgX/graphene composite films is highly challenging. In this study, a simple solution-based process based on meniscus-dragging deposition is demonstrated for the fabrication of Ag/AgI/rGO composite films. Uniform catalyst films with reasonable photocatalytic activities can be easily fabricated by using this microliter-scale solution process.

Keywords

Photocatalyst Solution Process Graphene Silver Nanowire Silver Halide 

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Notes

Acknowledgements

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (No. 2019R1A2C1006413) and the Chung-Ang University Graduate Research Scholarship in 2018.

Supplementary material

11814_2019_396_MOESM1_ESM.pdf (2.6 mb)
Facile fabrication and photocatalytic activity of Ag/AgI/rGO films

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Copyright information

© The Korean Institute of Chemical Engineers 2019

Authors and Affiliations

  1. 1.School of Chemical Engineering and Materials ScienceChung-Ang UniversitySeoulKorea
  2. 2.Department of Chemical and Biomolecular EngineeringSeoul National University of Science and TechnologySeoulKorea

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