Search Results - "Osuji, R. U."

Binder-free fabricated CuFeS2 electrodes for supercapacitor applications by Nsude, Hope Ebere, Obodo, Raphael M, Nsude, Kingsley U, Ikhioya, Lucky I, Asogwa, Paul U, Osuji, R U, Maaza, M, Ezema, Fabian I

“…Copper iron sulfide (CFS) (chalcopyrite) thin-film electrodes have been synthesized for energy storage applications using the SILAR method without the use of a…”
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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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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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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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The effect of indium doping on photovoltaic properties of chemically synthesized zinc oxide thin-film electrodes by Tyona, M. D., Jambure, S. B., Osuji, R. U., Maaza, M., Lokhande, C. D., Ezema, Fabian I.

“…Photovoltaic (PV) performance of chemically synthesized indium-doped zinc oxide (IZO) nanorod electrodes has been investigated by photocurrent density-voltage…”
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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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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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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 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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Effect of thermal annealing on the band gap and optical properties of chemical bath deposited PbS-CuS thin films by Asogwa, P U, Ezugwu, S C, Ezema, F I, Ekwealor, A B C, Ezekoye, B A, Osuji, R U

“…Thin films of PbS-CuS have been grown on glass substrate by chemical bath deposition technique at room temperature. The films were annealed between 423K and…”
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Optical, electrical and magnetic properties of copper doped electrodeposited MoO3 thin films by Ijeh, Rufus O., Nwanya, Assumpta C., Nkele, Agnes C., Madiba, Itani G., Bashir, A.K.H., Ekwealor, A.B.C., Osuji, R.U., Maaza, M., Ezema, Fabian

“…Copper-doped MoO3 thin films were prepared via electrodeposition technique. The techniques adopted for investigating the structural, optical, electrical and…”
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Magnetic and optical properties of electrodeposited nanospherical copper doped nickel oxide thin films by Ijeh, Rufus O., Nwanya, Assumpta C., Nkele, Agnes C., Madiba, Itani G., Khumalo, Z., Bashir, A.K.H., Osuji, R.U., Maaza, M., Ezema, Fabian I.

“…Copper doped nickel oxide (NiO:Cu) thin films were synthesized via electrodeposition technique. X-ray diffraction, Scanning Electron Microscope, UV–visible…”
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Electrochemical supercapacitive properties of SILAR-Deposited Mn3O4 electrodes by Nwankwo, M.C., Nwanya, A.C., Agbogu, A., Ekwealor, A.B.C., Ejikeme, Paul M., Bucher, R., Osuji, R.U., Maaza, M., Ezema, Fabian I.

“…In this study, successive ionic layer adsorption and reactions (SILAR), a simple and cost-effective method was used to successfully synthesize Mn3O4 thin film…”
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Asymmetric supercapacitor performance of hydrothermally-synthesized MWCNT-WO3 composite electrode by Anikpa, P.O., Mee, A.U., Nwanya, A.C., Nkele, Agnes C., Malavekar, D.B., Osuji, R.U., Nwulu, Nnamdi, Lokhande, C.D., Ezema, Fabian I.

“…Supercapacitors are energy storage devices that have the potential to significantly contribute to meeting energy demands in the modern era. However, the charge…”
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Influence of cadmium precursor concentrations on the structural, optical and electrochemical impedance properties of CdZnS thin films by Offiah, Solomon U., Agbogu, Ada N.C., Nwanya, Assumpta C., Nkele, Agnes C., Chime, Ugochi K., Sone, B.T., Duvenhage, M.M., Botha, S., Ekwealor, A.B.C., Osuji, R.U., Maaza, M., Ezema, Fabian I.

“…Thin films of cadmium zinc sulfide (CdZnS) were deposited on microscopic glass substrates using the chemical bath deposition method and the effects of the Cd…”
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Syntheses and characterizations of GO/Mn3O4 nanocomposite film electrode materials for supercapacitor applications by Nwankwo, Madeleine C., Ezealigo, Blessing, Nwanya, Assumpta C., Nkele, Agnes C., Agbogu, Ada, Chime, Ugochi, Asogwa, P.U., Ezekoye, B.A., Ekwealor, A.B.C., Osuji, R.U., Ejikeme, Paul M., Maaza, M., Ezema, Fabian I.

“…[Display omitted] •Research Highlights Successful growth of GO/Mn3O4 thin film electrode materials by SILAR method.•Highly porous inter-connected films were…”
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Complex impedance and conductivity of agar-based ion-conducting polymer electrolytes by Nwanya, A. C., Amaechi, C. I., Udounwa, A. E., Osuji, R. U., Maaza, M., Ezema, F. I.

“…Agar-based electrolyte standing films with different salts and weak acids as ion and proton conductors were prepared and characterized by X-ray diffraction,…”
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Binder-free fabricated CuFeS 2 electrodes for supercapacitor applications by Nsude, Hope Ebere, Obodo, Raphael M, Nsude, Kingsley U, Ikhioya, Lucky I, Asogwa, Paul U, Osuji, R U, Maaza, M, Ezema, Fabian I

“…Copper iron sulfide (CFS) (chalcopyrite) thin-film electrodes have been synthesized for energy storage applications using the SILAR method without the use of a…”
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Fabrication and capacitive characteristics of conjugated polymer composite p-polyaniline/n-WO3 heterojunction by Amaechi, C. I., Asogwa, P. U., Ekwealor, A. B. C., Osuji, R. U., Maaza, M., Ezema, F. I.

“…A nanocrystalline and porous p -polyaniline/ n -WO 3 dissimilar heterojunction at ambient temperature is reported. The high-quality and well-reproducible…”
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