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Browsing Research Articles (University of Pretoria) by Author "Fabiane, Mopeli"
Now showing items 1-14 of 14
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Bello, Abdulhakeem; Barzegar, Farshad; Momodu, Damilola Y.; Dangbegnon, Julien K.; Taghizadeh, Fatemeh; Fabiane, Mopeli; Manyala, Ncholu I. (Elsevier, 2015-01)We present the electrochemical results of highly porous and interconnected carbon material by activation of graphene foam/polyvinyl alcohol-formaldehyde composite material designated as GF/PVA-F. Asymmetric supercapacitor ...
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Bello, Abdulhakeem; Makgopa, Katlego; Fabiane, Mopeli; Dodoo-Arhin, David; Ozoemena, Kenneth I.; Manyala, Ncholu I. (Springer, 2013-10)Few-layer graphene was synthesized on a nickel foam template by chemical vapor deposition. The resulting three-dimensional (3D) graphene was loaded with nickel oxide nanostructures using the successive ionic layer adsorption ...
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Bello, Abdulhakeem; Fabiane, Mopeli; Momodu, Damilola Y.; Khamlich, Saleh; Dangbegnon, Julien K.; Manyala, Ncholu I. (Springer, 2014-09)We report on a non-covalent functionalization of graphene foam (GF) synthesized via chemical vapour deposition (CVD). The GF was treated with pyrene carboxylic acid (PCA) which acted as a source of oxygen and/or ...
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Fabiane, Mopeli; Khamlich, Saleh; Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Johnson, Alan T. Charlie; Manyala, Ncholu I. (American Institute of Physics, 2013-11)We present a simple and very convincing approach to visualizing that subsequent layers of graphene grow between the existing monolayer graphene and the copper catalyst in chemical vapor deposition (CVD). Graphene samples ...
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Bello, Abdulhakeem; Fashedemi, Omobosede O.; Lekitima, Joel N.; Fabiane, Mopeli; Dodoo-Arhin, David; Ozoemena, Kenneth I.; Gogotsi, Yury; Johnson, Alan T. Charlie; Manyala, Ncholu I. (American Institute of Physics, 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 (MnO2) deposited by hydrothermal synthesis. Raman ...
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Khamlich, Saleh; Bello, Abdulhakeem; Fabiane, Mopeli; Ngom, Balla D.; Manyala, Ncholu I. (Springer, 2013-11)Nickel foam-graphene (NF-G) was synthesized by chemical vapour deposition followed by facial in situ aqueous chemical growth of simonkolleite (Zn5(OH)8Cl2·H2O) under hydrothermal conditions to form NF-G/simonkolleite ...
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Bello, Abdulhakeem; Fashedemi, Omobosede O.; Fabiane, Mopeli; Lekitima, Joel N.; Ozoemena, Kenneth I.; Manyala, Ncholu I. (Elsevier, 2013-12)A green chemistry approach (hydrothermal microwave irradiation) has been used to deposit manganese oxide on nickel foam-graphene. The 3D graphene was synthesized using nickel foam template by chemical vapor deposition ...
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Madito, M.J. (Moshawe); Matshoba, K.S.; Ochai-Ejeh, Faith Ukamaka; Mongwaketsi, N.; Mtshali, C.B.; Fabiane, Mopeli; Manyala, Ncholu I. (Elsevier, 2020-02)Please read abstract in the article.
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Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Barzegar, Farshad; Fabiane, Mopeli; Manyala, Ncholu I. (Springer, 2015-02)In this paper, a simple dip-coating technique is used to deposit a P3HT:PCBM/Nickel Aluminum layered double hydroxide-graphene foam (NiAl-LDH-GF) composite onto a nickel foam (NF) serving as a current collector. A ...
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Barzegar, Farshad; Bello, Abdulhakeem; Fabiane, Mopeli; Khamlich, Saleh; Momodu, Damilola Y.; Taghizadeh, Fatemeh; Dangbegnon, Julien K.; Manyala, Ncholu I. (Elsevier, 2015-02)We report on the synthesis and characterization of electrospun polyvinyl alcohol (PVA)/graphene nanofibers. The samples produced were characterized by Raman spectroscopy for structural and defect density analysis, scanning ...
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Khamlich, S.; Nuru, Z.Y.; Bello, Abdulhakeem; Fabiane, Mopeli; Dangbegnon, Julien K.; Manyala, Ncholu I.; Maaza, M. (Elsevier, 2015-07)Pulsed laser deposition technique was used to deposit Cr2O3 nanostructured thin film on a chemical vapour deposited few-layer graphene (FLG) on nickel (Ni) substrate for application as anode material for lithium-ion ...
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Fabiane, Mopeli; Madito, M.J. (Moshawe); Bello, Abdulhakeem; Manyala, Ncholu I. (Wiley, 2017-05)We report on the effect of temperature on the growth of bilayer graphene on a copper foil under atmospheric pressure chemical vapour deposition (AP-CVD). Before characterization of the AP-CVD bilayer graphene, a high-quality ...
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Bello, Abdulhakeem; Fabiane, Mopeli; Dodoo-Arhin, David; Ozoemena, Kenneth I.; Manyala, Ncholu I. (Elsevier, 2014-01)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 ...
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Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Barzegar, Farshad; Taghizadeh, Fatemeh; Fabiane, Mopeli; Johnson, Alan T. Charlie; Manyala, Ncholu I. (American Institute of Physics, 2014-09-17)In this paper, we demonstrate excellent pseudo-capacitance behavior of nickelaluminum double hydroxide microspheres (NiAl DHM) synthesized by a facile solvothermal technique using tertbutanol as a structure-directing ...
Now showing items 1-14 of 14