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Browsing by Author "Dodoo-Arhin, D"

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High-performance symmetric electrochemical capacitor based on graphene foam and nanostructured manganese oxide

Author: Bello, A ; Fashedemi, OO ; Lekitima, JN ; Fabiane, M ; Dodoo-Arhin, D ; Ozoemena, KI ; Gogotsi, Y ; Johnson, ATC ; Manyala, N Date: 2013 We have fabricated a symmetric electrochemical capacitor with high energy and power densities based on a composite of graphene foam (GF) with 80 wt% of manganese oxide (MnO(sub2)) deposited by hydrothermal synthesis. Raman spectroscopy and ... Read more
Silver nanoparticles decorated on a three-dimensional graphene scaffold for electrochemical applications

Author: Bello, A ; Fabiane, M ; Dodoo-Arhin, D ; Ozoemena, KI ; Manyala, N Date: Jan 2014 Silver metal nanoparticles were decorated by electron beam evaporation on graphene foam (GF) grown by chemical vapour deposition. X-ray diffraction, Raman spectroscopy, scanning and transmission electron microscopy, and atomic force microscopy ... Read more

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Browsing by Author "Dodoo-Arhin, D"

Browsing by Author "Dodoo-Arhin, D"

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