Browsing by UP Author "06be1ea4-1d6a-4c11-a155-5556fcd028f3"

Browsing by UP Author "06be1ea4-1d6a-4c11-a155-5556fcd028f3"

Sort by: Order: Results:

  • Momodu, Damilola Y.; Madito, M.J. (Moshawe); Barzegar, Farshad; Bello, Abdulhakeem; Khaleed, Abubakar A.; Olaniyan, O.; Dangbegnon, Julien K.; Manyala, Ncholu I. (Springer, 2017-03)
    Activated carbon from tree bark (ACB) has been synthesized by a facile and environmentally friendly activation and carbonization process at different temperatures (600, 700 and 800 °C) using potassium hydroxide (KOH) ...
  • 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 ...
  • Masikhwa, T.M. (Tshifhiwa); Barzegar, Farshad; Dangbegnon, Julien K.; Bello, Abdulhakeem; Madito, M.J. (Moshawe); Momodu, Damilola Y.; Manyala, Ncholu I. (Royal Society of Chemistry, 2016-04)
    VS2 nanosheets as the positive electrode and the activated carbon (AC) as the negative electrode with a 6 M KOH solution as electrolyte were fabricated as an asymmetric supercapacitor. These materials were combined to ...
  • Bello, Abdulhakeem; Fabiane, Mopeli; Ozoemena, Kenneth I.; Manyala, Ncholu I.; Makgopa, Katlego; Dodoo-Arhin, David (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 ...
  • Manyala, Ncholu I.; Bello, Abdulhakeem; Barzegar, Farshad; Khaleed, Abubakar A.; Momodu, Damilola Y.; Dangbegnon, Julien K. (Elsevier, 2016-10)
    Low-cost biomass-derived activated porous carbon from natural pine cones is synthesized using hydrothermal approach followed by KOH activation and carbonization. The produced carbon materials have a high surface area of ...
  • Barzegar, Farshad; Khaleed, Abubakar A.; Ugbo, F.U.; Oyeniran, K.O.; Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Manyala, Ncholu I. (American Institute of Physics, 2016)
    This work present two-step synthesizes route to low-cost mesoporous carbon from coconut shell. The electrochemical characterization of the coconut shell based activated carbon (CSAC) material as electrode for supercapacitor ...
  • Madito, M.J. (Moshawe); Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Masikhwa, T.M. (Tshifhiwa); Barzegar, Farshad; Manyala, Ncholu I.; Oliphant, C.J.; Jordaan, W.A.; Fabiane, M. (American Institute of Physics, 2016-01-07)
    A bilayer graphene film obtained on copper (Cu) foil is known to have a significant fraction of non-Bernal (AB) stacking and on copper/nickel (Cu/Ni) thin films is known to grow over a large-area with AB stacking. In ...
  • Khaleed, Abubakar A.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Ugbo, F.U.; Barzegar, Farshad; Olaniyan, O.; Manyala, Ncholu I.; Akande, A.A.; Dhonge, B.P.; Mwakikunga, B.W. (Elsevier, 2017-02)
    NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used ...
  • Barzegar, Farshad; Dangbegnon, Julien K.; Bello, Abdulhakeem; Momodu, Damilola Y.; Manyala, Ncholu I.; Johnson, Alan T. Charlie (American Institute of Physics, 2015-09-24)
    This article is focused on polymer based gel electrolyte due to the fact that polymers are cheap and can be used to achieve extended potential window for improved energy density of the supercapacitor devices when compared ...
  • Bello, Abdulhakeem; Fashedemi, Omobosede O.; Momodu, Damilola Y.; Barzegar, Farshad; Masikhwa, T.M. (Tshifhiwa); Madito, M.J. (Moshawe); Taghizadeh, Fatemeh; Dangbegnon, Julien K.; Manyala, Ncholu I. (Elsevier, 2015-08)
    A microwave irradiation method has been used to prepare mixed nickel cobalt sulfide (NixCoyS4) nanosheets with different stoichiometric composition as electrodes for electrochemical capacitors. This study has been ...
  • Khaleed, Abubakar A.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Ugbo, F.U.; Barzegar, Farshad; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Masikhwa, T.M. (Tshifhiwa); Olaniyan, O.; Manyala, Ncholu I. (Springer, 2016-06)
    Ni(OH)2/graphene foam (GF) electrode was synthesized for electrochemical application by a facile hydrothermal reflux technique. The results obtained from the scanning electron microscopy showed that the Ni(OH)2 spheres ...
  • 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 ...
  • Fabiane, Mopeli; Khamlich, Saleh; Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Manyala, Ncholu I.; Johnson, Alan T. Charlie (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 ...
  • Bello, Abdulhakeem; Fashedemi, Omobosede O.; Lekitima, Joel N.; Fabiane, Mopeli; Ozoemena, Kenneth I.; Manyala, Ncholu I.; Dodoo-Arhin, David; Gogotsi, Yury; Johnson, Alan T. Charlie (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 ...
  • Mirghni, Abdulmajid Abdallah; Masikhwa, T.M. (Tshifhiwa); Masikhwa, Tshifhiwa Moureen; Oyedotun, Kabir O.; Bello, Abdulhakeem; Manyala, Ncholu I. (Elsvier, 2017-05)
    Please read abstract in the article.
  • Khamlich, Saleh; Bello, Abdulhakeem; Fabiane, Mopeli; Manyala, Ncholu I.; Ngom, Balla D. (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 ...
  • Bello, Abdulhakeem; Dodoo-Arhin, David; Howe, Richard C.T.; Hu, Guohua; Zhang, Yinghe; Hiralal, Pritesh; Amaratunga, Gehan; Hasan, Tawfique (Elsevier, 2016-08)
    We present a stable inkjet printable graphene ink, formulated in isopropyl alcohol via liquid phase exfoliation of chemically pristine graphite with a polymer stabilizer. The rheology and low deposition temperature of ...
  • 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 ...
  • Bello, Abdulhakeem; Fashedemi, Omobosede O.; Barzegar, Farshad; Madito, M.J. (Moshawe); Momodu, Damilola Y.; Masikhwa, T.M. (Tshifhiwa); Dangbegnon, Julien K.; Manyala, Ncholu I. (Elsevier, 2016-10)
    The green chemistry route (Microwave) has been used to produce nanocomposite materials based on activated carbon (AC) and manganese (Mn) oxide nanostructures. XRD analysis revealed that amorphous and crystalline oxide ...
  • 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 ...