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제126회 대한화학회 학술발표회 및 총회 Understanding the adsorption mechanism of methyl iodide on functionalized Ag nanoparticle-embedded and Ag+ ion coated silica gels

등록일
2020년 9월 17일 14시 54분 03초
접수번호
1150
발표코드
INOR.P-172 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 21일(수) 17:30~18:00
발표형식
포스터
발표분야
Inorganic Chemistry
저자 및
공동저자
Jeong Woo Hong, Hee-Jung Im*
Department of Chemistry, Jeju National University, Korea
To detect iodine in the air, silica gels functionalized by ethylenediamine and mercapto were prepared. Each of these functionalized silica gels was put in isopropanol solution in which AgNO3 was dissolved. After then, the solutions containing silica gels were irradiated with an electron beam or left unattended to produce Ag nanoparticle-embedded functionalized silica gels (Ag NP) and Ag+ ion-coated functionalized silica gels (Ag+). All prepared silica gels were exposed to methyl iodide gas (; mixed with high purity air) to investigate the mechanism how methyl iodide interact to the prepared silica gels and the tendency of methyl iodide to be adsorbed. Diverse spectroscopic analyses were applied to distinguish and explain the differences according to the silvers (Ag NP, Ag+) and groups (ethylenediamine, mercapto).

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