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대한화학회 제124회 학술발표회 및 총회 Attempt to Electrochemical Reduction of Carbon dioxide at LaOCl nanofiber

등록일
2019년 8월 13일 15시 05분 35초
접수번호
0162
발표코드
ELEC.P-398 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Electrochemistry
저자 및
공동저자
Jieun Park, Chongmok Lee*, Youngmi Lee
Department of Chemistry and Nano Science, Ewha Womans University, Korea
In recent years, as the levels of carbon dioxide in the earth’s atmosphere increase the research for electrochemical reduction of CO2 has been studied extensively. Especially, it is well known that some metals have the catalyst efficiency for electrochemical CO2 reduction. For instance the typical CO formation metals reported previously are Cu, Au, Ag, Zn, Pd, Ga, Ni, and Pt. In this study, we synthesized the lanthanum oxide chloride (LaOCl) nanofiber using electrospinning. The existing research direction of LaOCl is roughly divided into two groups, one is display using their luminescent properties and the other is CO or CO2 sensor in gas phase. In contrast to the previous research direction of LaOCl, electrocatalytic properties toward CO2 reduction have been investigated at glassy carbon electrode modified by LaOCl with voltammetry. Morphology and different crystallinity of LaOCl nanofiber by adjusting the calcination temperature were analyzed by field emission scanning electron microscopy (FT-SEM) and X-ray diffraction (XRD). The mean diameters of LaOCl nanofiber in each sample varied from 100-130 nm. The results of the electrochemical study show that our catalyst is effective in CO2 reduction in some degree when calcination temperature should be over 500℃ and sample has some crystallinity.

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