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제125회 대한화학회 학술발표회 및 총회 Bimetallic Fe,Cu-Blue TiO2/WO3 Nanocomposite for Visible light driven Toluene Decomposition

2020년 2월 6일 16시 56분 51초
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Environmental Energy
저자 및
Joseph Hwang, Hyoyoung Lee1,*
Department of Chemistry, Sungkyunkwan University, Korea
1CINAP-IBS, Department of Chemistry, Sungkyunkwan University, Korea
Toluene, as a toxic aromatic volatile compounds (VOCs) pollutant, is widely found in the shopping malls, workshops, and newly renovated rooms. Photocatalytic reaction has been considered as one of the best ideal ways for the removal of toluene through a decomposition processes. However, its resonance effect made from aromaticity of toluene makes it stable, resulting in much harder decomposition especially for a weak light including visible light irradiation. In this work, we like to report new bimetallic Fe, Cu-blue TiO2/WO3 Nanocomposite for a visible light driven toluene decomposition. GC-MS online system and in situ DRIFTS analysis were combined to study the reaction pathway. New Z-Scheme band structure of blue TiO2/WO3 were optimized to produce superoxide and hydroxyl radical under visible light. The bimetallic Fe, Cu impregnation could enhance Fenton reaction activity and decrease energy barrier of a rate-determining step in a toluene ring opening mechanism. This work could provide new insights into the understanding catalytic toluene degradation and could suggest commercial available photocatalytic material for effectively producing ROS.