Photocatalytic degradation of phenol using chemical vapor desposition graphene column

Juhee Kim, Baekwon Park, Dong Heon Shin, Je Min Yoo, Hyukjin Lee, Byung Hee Hong

Research output: Contribution to journalArticlepeer-review


In the field of wastewater treatment, the advanced oxidation process (AOP) is a widely employed method. It uses reactive oxygen species (ROS) to degrade harmful organic and inorganic chemicals. Metal catalysts are the conventional standard when using these methods. However, they have drawbacks such as harsh activation conditions and poor recyclability. We previously suggested chemical vapor deposition (CVD) graphene film as an alternative metal-free catalyst. In this study, we enhanced the catalytic activity of the CVD graphene film by synergistically adding UV light irradiation. The result was complete degradation of phenol on a wafer-scale in a reduced timeframe. To further enhance the degradation process, we devised a graphene-based column for continuous in situ chemical oxidation and analyzed the intermediates over time, proving the potential of graphene-assisted AOP in industrial wastewater applications.

Original languageEnglish
Article number1251
Pages (from-to)1-11
Number of pages11
Issue number11
StatePublished - Nov 2020

Bibliographical note

Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.


  • Advanced oxidation process
  • CVD graphene
  • Continuous phenol degradation
  • Photocatalyst
  • Water treatment column


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