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2 publications

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    Morphological, Optical and Structural Studies of Deposited ZnO Films by SILAR Method for Solar Energy Applications

    By Adrian Ohwofosirai, Emagbetere Johnbull, Egbele Regina Orhorhomu, David Matthew Femi, Idehen Fredrick Lucky

    Abstract: The deposited ZnO films were grown on glass substrates using the Successive Ionic Layer Adsorption and Reaction. The morphology of the deposited ZnO is that of flower-like bud.The optical properties were characterized using UV/VIS spectroscopy, the optical band gap decreases with increasing reaction time, and these films have band gap values of 3.19eV, 3.22eV, 3.24eV and 3.25eV. The crystal structure of the films were also characterized using the X-Ray Diffraction …

    Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 7–12 Read article

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    Flower-like ZnO Thin Film Deposited by Chemical Bath Deposition

    By Adrian Ohwofosirai, C. Chigbo, S. L. Mammah, P. E. Ugwuoke, R. U. Osuji, Fabian Ifeanyichukwu Ezema

    Abstract: The ZnO flowers were prepared by chemical bath deposition (CBD), low transmittance in the ultraviolet region was observed, the band gap decreases with increase in deposition time. The SEM images of the deposited ZnO revealed that the films are flower-like with well-developed petals. The XRD of the film are crystal with several peaks. Prominent among them are the peaks at 2θ values of around 32.5°, 35.9° and 38.5° corresponding to …

    Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 1, 2013 · pp. 16–21 Read article

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