[논문]합성 조건 변화에 따른 전기화학적 박리 그래핀/철 산화물 복합체 제조 연구

박은진; 김용태; 최진섭

doi:10.5695/jsse.2022.55.2.84

합성 조건 변화에 따른 전기화학적 박리 그래핀/철 산화물 복합체 제조 연구
Study on the preparation of electrochemical exfoliated graphene/Fe oxide compound according to synthetic conditions 원문보기

한국표면공학회지 = Journal of the Korean institute of surface engineering, v.55 no.2, 2022년, pp.84 - 90

박은진 (인하대학교 화학.화학공학 융합학과) , 김용태 (인하대학교 화학.화학공학 융합학과) , 최진섭 (인하대학교 화학.화학공학 융합학과)

Abstract ▼ AI-Helper

With the growing interest in energy storage and conversion systems including secondary batteries, capacitors, and water electrolysis, various electrode materials are being developed to improve the energy efficiency. Among them, graphene is regarded as one of the promising candidates owing to its exceptional properties - large surface area, and excellent electrical conductivity. Herein, we report a facile one-step electrochemical approach to synthesize exfoliated graphene/Fe oxide compound. The effect of experimental conditions - the types of applied voltage, kinds of counter electrodes, acidity of electrolyte on the synthesis of graphene/Fe oxide compound is investigated.

주제어

표/그림 (6)

그림 Fig. 1. Schematic diagram of the production of electrochemical exfoliated graphene.
그림 Fig. 2. Schematic diagram of the electrochemical exfoliation mechanism of graphite to graphene.
표 Table 1. Various experimental conditions for synthesis of electrochemical exfoliated graphene/Fe oxide compounds.
그림 Fig. 3. Time-current density plot for each sample of (a) Sample 1, (b) Sample 2, (c) Sample 3, and (d) Sample 4. Inset: photographs of the counter electrode after reactions.
그림 Fig. 4. SEM images of electrochemical exfoliated graphene/Fe oxide compounds: (a), (b) Sample 1, (c), (d) Sample 2, (e), (f) Sample 3, (g), (h) Sample 4, and (i), (j) Sample 5.
그림 Fig. 5. XRD patterns of Sample 1(black line), Sample 2(red line), Sample 3(blue line), Sample 4(green line), and Sample 5(purple line).

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