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제125회 대한화학회 학술발표회 및 총회 Detection of Explosive Contaminant Using Titanium Oxide Nanostructure Electrode

등록일
2020년 2월 13일 11시 19분 01초
접수번호
1495
발표코드
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발표시간
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발표형식
포스터
발표분야
Environmental Energy
저자 및
공동저자
Jaewon Lee, Kiyoung Lee1,*
School of Nano & Materials Science and Engineerin, Kyungpook National University, Korea
1School of Nano & Materials Science and Engineering, Kyungpook National University, Korea
Among the numerous explosive contaminants, 2,4,6-trinitrotoluene (TNT) is the most well-known explosive contaminants. TNT is known as a toxic compound contaminating soil and groundwater. So, detecting explosive contaminant is important to save our environment. In the past, we had to pass the complex process to check the contaminant. Also, the complex process is inefficient due to make a lot of time loss. So, many researchers endeavor to make portable sensors to solve these problem. Various electrodes were chosen for detecting TNT reduction; modified glassy carbon, platinum, gold, nanoparticle- or nanotube-based electrodes. Recently, several researchers reported using metal oxide-based electrodes for sensing TNT reduction potential. In this work, we successfully detected TNT in aqueous solution by cyclic voltammetry method. Three main reduction peaks were observed in the range of -0.50 V to -1.00 V (vs. Ag/AgCl, 3 M KCl) by using the anatase-type TiO2 nanotube film as an electrode. Moreover, we compared the trend of reduction pathways in the various pH conditions.

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