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Home / Journal of Nanoscience and Nanotechnology, Volume 18, Number 1

Synthesis of Fe2O3/KOH-Activated Reduced Graphene Oxide Electrodes and Their Electrochemical Analysis

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Authors: Kim, Jeonghyun 1 ; Park, Soo-Jin 2 ; Kim, Seok 1 ; 

Source: Journal of Nanoscience and Nanotechnology, Volume 18, Number 1, January 2018, pp. 314-317(4)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/jnn.2018.14587

We fabricated KOH-activated reduced graphene oxide (rGO)/Fe2O3 composites using a facile twostep synthesis by homogeneous precipitation and subsequent reduction of the GO. The total specific capacity of Fe2O3/KOH-activated rGO was higher than the sum of KOH-activated rGO and nanoparticle Fe2O3. It indicated a synergy effect of rGO, and Fe2O3 on the improvement of electrochemical performance. The structure and morphology of the composites were characterized by Fourier transform infrared spectrometer (FTIR), scanning electron microscopy (SEM). Electrochemical properties were characterized by cyclic voltammetry (CV) and charge–discharge (CD) in 6M KOH electrolyte.

Keywords: Electrochemical Analysis; Graphene; Hematite; KOH Activation; Supercapacitor

Document Type: Research Article

Affiliations: 1: Department of Chemical and Biochemical Engineering, Pusan National University, 2, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 609-735, Korea (South) 2: Department of Chemistry, Inha University, 100 Inharo Namgu, Incheon 22122, Korea (South)

Publication date: 01 January 2018

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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