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  1. No Access

    Article

    Synthesis, characterization and ab initio study of WO3 nanocubes with peculiar electrochemical properties

    A non-energy intense route was used for the synthesis of highly crystalline WO3 nanocubes. The morphological studies confirmed the cuboidal shape of the nanocrystals. Raman spectrum result for the synthesized sam...

    A. K. H. Bashir, R. Morad, A. C. Nwanya, M. Akbari… in Journal of Nanoparticle Research (2021)

  2. No Access

    Article

    Hydrothermal synthesis of brookite TiO2 nanoparticles for dye-sensitized solar cell

    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 characterized via ultraviolet-visible (UV–vis), in...

    C. G. Ezema, A. C. Nwanya, B. E. Ezema… in Journal of Solid State Electrochemistry (2017)

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    Article

    Photo-electrochemical studies of chemically deposited nanocrystalline meso-porous n-type TiO2 thin films for dye-sensitized solar cell (DSSC) using simple synthesized azo dye

    Nanocrystalline titanium dioxide (TiO2) thin films were deposited by successive ionic layer adsorption and reaction method onto fluorine doped tin oxide coated glass substrate at room temperature (300 K). Titaniu...

    C. G. Ezema, A. C. Nwanya, B. E. Ezema, B. H. Patil, R. N. Bulakhe… in Applied Physics A (2016)

  4. No Access

    Article

    A novel chemical preparation of Ni(OH)2/CuO nanocomposite thin films for supercapacitive applications

    In this study, β-phase nickel hydroxide with a hexagonal brucite structure has been meshed with successive ionic layer adsorption and reaction deposited cupric oxide. The nanocomposite was characterized by X-r...

    D. C. Iwueke, C. I. Amaechi, A. C. Nwanya… in Journal of Materials Science: Materials in… (2015)

  5. No Access

    Article

    Complex impedance and conductivity of agar-based ion-conducting polymer electrolytes

    Agar-based electrolyte standing films with different salts and weak acids as ion and proton conductors were prepared and characterized by X-ray diffraction, UV–visible spectrophotometry, photoluminescence emi...

    A. C. Nwanya, C. I. Amaechi, A. E. Udounwa, R. U. Osuji, M. Maaza… in Applied Physics A (2015)