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  1. No Access

    Article

    Removal of lead(II) ions from aqueous solution using mesoporous and microporous coals: characterization, isotherm and kinetic studies

    Exposure to heavy metals in water bodies is of environmental concern; hence, their removal is necessary. As-received coals obtained from two sedimentary basins in Nigeria were characterized and tested for thei...

    K. E. Ugwu, C. G. Ezema in International Journal of Environmental Science and Technology (2024)

  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)