Search Results - "Ezema, F I"

Sol–gel synthesis, optical and structural characterization of ZrOS nanopowder by Uduh, U. C., Obodo, R. M., Esaenwi, S., Amaechi, C. I., Asogwa, P. U., Osuji, R. U., Ezema, F. I.

“…In this paper, we report the synthesis of tetragonal zirconium oxysulfide t -ZrOS nanopowder by the sol–gel method using water solution of a precursor…”
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Cashew tree gum exudate as a biopolymer electrolyte: The influence of glycerol plasticization by Anyaogu, I. D., Nwanya, A. C., Ezema, F. I., Ejikeme, P. M.

“…Gel polymer electrolytes were produced using cashew tree gum exudate dissolved in water with varying glycerol proportions and cast as films with different…”
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Recent Advancements in Energy Storage Based on Sodium Ion and Zinc Ion Hybrid Supercapacitors by Shaikh, Navajsharif S, Lokhande, V. C, Praserthdam, Supareak, Lokhande, Chandrakant D, Ezema, F. I, Salunkhe, D. J, Shaikh, Jasmin S, Kanjanaboos, Pongsakorn

“…The hybrid supercapacitor is appealing for commercial applications which have the aptitude to supply high energy density without compromising other…”
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Synthesis, characterization and ab initio study of WO3 nanocubes with peculiar electrochemical properties by Bashir, A. K. H., Morad, R., Nwanya, A. C., Akbari, M., Sackey, J., Kaviyarasu, K., Madiba, I. G., Ezema, F. I., Maaza, M.

“…A non-energy intense route was used for the synthesis of highly crystalline WO 3 nanocubes. The morphological studies confirmed the cuboidal shape of the…”
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Structural modification and band gap tailoring of zinc oxide thin films using copper impurities by Tyona, Mrumun David, Osuji, R.U., Asogwa, P.U., Jambure, S.B., Ezema, F.I.

“…The doping effects of Cu on structural, morphological and optical properties of ZnO thin films and their PEC properties have been investigated via chemical…”
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Aqueous chemical growth of ZnO/CdO nanocomposite thin films: effect of volume ratio and annealing on structural, morphological and optical properties by Tyona, M. D., Akpen, G. E., Anejo, Itodo, Asemave, Kaana, Asogwa, P. U., Ezema, F. I.

“…Structural, morphological and optical characteristics of ZnO/CdO nanocomposite films synthesized via successive ionic layer adsorption and reaction (SILAR)…”
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Investigation of electrochemical performance, optical and magnetic properties of NiFe2O4 nanoparticles prepared by a green chemistry method by Bashir, A.K.H, Matinise, N., Sackey, J., Kaviyarasu, K., Madiba, I.G., Kodseti, L., Ezema, FI, Maaza, M.

“…Green chemistry methods for synthesising metal oxides nanoparticles (NPs) have been extensively used due to their tremendous and remarkable advantages such as…”
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Impact of Cu doping on ZnO nanoparticles phyto-chemically synthesized for improved antibacterial and photocatalytic activities by Okeke, IS, Agwu, KK, Ubachukwu, AA, Maaza, M, Ezema, FI

“…Green approach was employed to synthesize Zn 1 −  x Cu x O nanoparticles ( x  = 0.0, 0.01, 0.03, and 0.05). The impact of Cu doping on the structure,…”
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Study of the extrinsic properties of ZnO:Al grown by SILAR technique by Offiah, S. U., Agbo, S. N., Sutta, P., Maaza, M., Ugwuoke, P. E., Osuji, R. U., Ezema, F. I.

“…Aluminum-doped ZnO thin films with pebble-like structures have been successfully deposited on glass substrates by successive ionic layer adsorption reaction…”
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Synthesis and characterization of nanocrystalline zinc sulphide thin films by chemical spray pyrolysis by Offor, P.O., Okorie, B.A., Ezema, F.I., Aigbodion, V.S., Daniel-Mkpume, C.C., Omah, A.D.

“…This work reports the structural, morphological and optical properties of zinc sulphide (ZnS) thin films obtained by chemical spray pyrolysis (CSP) technique…”
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The properties of spray-deposited zinc sulfide thin films using trisodium citrate complexant by Offor, P. O., Okorie, B. A., Lokhande, C. D., Patil, P. S., Ezema, F. I., Omah, A. D., Aigbodion, V. S., Ezekoye, B. A., Ezema, I. C.

“…Zinc sulfide thin films were deposited on soda-lime glass substrates by chemical spray pyrolysis technique using trisodium citrate complexant. The films were…”
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Tetragonal and uniaxial strains in pristine and doped half-Heusler AuMnSn alloy by Chibueze, T.C., Ekuma, C.E., Raji, A.T., Ezema, F.I., Okoye, C.M.I.

“…Using the first-principles density functional theory calculations, we examined the effect of tetragonal strain (t-strain) and uniaxial strain (u-strain) on the…”
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Dye-sensitized solar cells based on Al-doped ZnO photoelectrodes sensitized with rhodamine by Tyona, M.D., Jambure, S.B., Lokhande, C.D., Banpurkar, A.G., Osuji, R.U., Ezema, F.I.

“…•Al doping in ZnO enhanced it’s electrical conductivity, structural, and optical properties.•Al-ZnO with Al:Zn of 2 at.% is identified with the densest…”
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Progress in the experimental and computational methods of work function evaluation of materials: A review by Olawole, O.C., De, D.K., Olawole, O.F., Lamba, R., Joel, E.S., Oyedepo, S.O., Ajayi, A.A., Adegbite, O.A., Ezema, F.I., Naghdi, S., Olawole, T.D., Obembe, O.O., Oguniran, K.O.

“…The work function, which determines the behaviour of electrons in a material, remains a crucial factor in surface science to understand the corrosion rates and…”
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Structural and Optical Properties of Chemical Bath Deposited Silver Oxide Thin Films : Role of Deposition Time by Nwanya, A. C., Ugwuoke, P. E., Ezekoye, B. A., Osuji, R. U., Ezema, F. I.

“…Silver oxide thin films were deposited on glass substrates at a temperature of 50°C by chemical bath deposition technique under different deposition times…”
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Hydrothermal synthesis of brookite TiO2 nanoparticles for dye-sensitized solar cell by Ezema, C. G., Nwanya, A. C., Ezema, B. E., Maaza, Malik, Ukoha, P. O., Ezema, F. I.

“…We obtained Tannin-4-azobenzoic acid (azo dye) by the conventional method of diazotization and coupling of aromatic amines. The properties of the azo dye were…”
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Dye-sensitized solar cell with natural gel polymer electrolytes and f-MWCNT as counter-electrode by Nwanya, A.C., Amaechi, C.I., Ekwealor, A.B.C., Osuji, R.U., Maaza, M., Ezema, F.I.

“…Samples of DSSCs were made with gel polymer electrolytes using agar, gelatin and DNA as the polymer hosts. Anthocyanine dye from Hildegardia barteri flower is…”
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Optical characterization of chemical bath deposited bismuth oxyiodide (BiOI) thin films by EZEMA, F. I

“…Thin films of Bismuth oxyiodide (BiOI) were deposited, using chemical bath deposition techniques. The films were characterized using energy dispersive x-ray…”
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Optical properties of chemical bath deposited nickel oxide (NiO) thin films by Ezema, F I, Ekwealor, A B C, Osuji, R U

“…Thin film of NiO was deposited on glass slide from aqueous solutions of nickel chloride, and ammonia in which ammonia was employed as complexing agents in the…”
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Effect of thermal annealing on the band GAP and optical properties of chemical bath deposited ZnSe thin films by OSUJI, R. U, EKWEALOR, A.B.C, EZEMA, F. I

“…Zinc selenide (ZnSe) thin films were deposited on glass substrate using the chemical bath deposition method at room temperature from aqueous solutions of zinc…”
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