화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.27, No.5, 255-262, May, 2017
DOI10.3740/MRSK.2017.27.5.255  Export Citation
Detection of Oxygen Species Generated from Ag2Se-Graphene Detection of Oxygen Species Generated from Ag2Se-Graphene Light Driven Photocatalytic Performance
Ze-Da Meng1, 2, †, and Won-Chun Oh2, †
  • 1Jiangsu Key Laboratory of Environmental Functional Materials, College of Chemistry and Bioengineering, Suzhou University of Science and Technology, Suzhou 215009, China
  • 2Department of Advanced Materials Science & Engineering, Hanseo University, Seosan-si, Chungnam-do 31499, Republic of Korea
E-mail:,
Reactive oxygen species (ROS) can be produced by interactions between sunlight and light absorbing substances in natural water environments and can completely destroy various organic pollutants in waste water. In this study, we used graphene oxide modified Ag2Se nanoparticles to enhance photochemically generated oxygen (PGO) species activity. Surface area and pore volumes of the Ag2Se-graphene (Ag2Se-G) samples showed catastrophic decrease due to deposition of Ag2Se. The generation of reactive oxygen species was detected through the oxidation reaction of DPCI to DPCO. The photocurrent density and the PGO effect increase in the case of the use of modified graphene. The PGO effect of the graphene modified with Ag2Se composites increased significantly due to a synergetic effect between graphene and the Ag2Se nanoparticles. The photocatalytic activity of sample was evaluated by measuring the degradation of organic pollutants such as methylene blue (MB)and industrial dyes such as Texbrite BA-L (TBA) under visible light.
Keywords:Ag2Se-graphene;TEM;visible light;FT-IR;industrial dyes;texbrite BA-L
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