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대한화학회 제124회 학술발표회 및 총회 Galvanic Displacement Reaction as a Versatile Approach to obtain the Free-standing Gold Nanoflakes on Prussian blue Surface and Its Electrochemical Applications

등록일
2019년 8월 21일 13시 31분 23초
접수번호
0670
발표코드
ELEC.P-406 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Electrochemistry
저자 및
공동저자
Juwon Jeong, Manivannan Shanmugam, Kyuwon Kim*
Department of Chemistry, Incheon National University, Korea
Galvanic displacement reaction was used to obtain highly stable and Free-standing gold (Au) nanoflakes (NFs) over the pre-electrodeposited Prussian blue (PB) nanostructures (NSs). Amine functionalized silicate sol–gel matrix was used as a solid support for electrodepositing PB NSs, prior to Au deposition. Physiochemical and electrochemical characterizations were carried out to reveal the morphology and electrochemical stability of the PB-Au NFs. Various controlling parameters to tune the Au NF’s size, shape and identify the growth mechanism such as Au precursor concentration and deposition time have been studied. The fabricated PB-Au NFs electrode was used to construct the amperometric sensor for Hydrogen Peroxide (H2O2). Furthermore, present electrochemical sensor has exhibited improved performance in the presence of commonly encountered interferences at the physiological conditions.

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