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    Compositional analysis and optical properties of Co doped TiO2 thin films fabricated by spray pyrolysis method for dielectric and p hotocatalytic applications

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    Compositional analysis and optical properties of Co doped TiO2 thin films fabricated by spray pyrolysis method for dielectric and p ho.pdf (238.5Kb)
    Date
    2017-01
    Author
    Wafula, Henry Barasa
    Musembi, Robinson Juma
    Juma, Albert Owino
    Tonui, Patrick
    Simiyu, Justus
    Sakwa, Thomas
    Prakash, Deo
    Verma, K.D.
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    Abstract
    Cobalt doped TiO2 thin films (CTF) deposited by spray pyrolysis has been studied. The compositional analysis has been done using RBS method, while optical spectroscopy has been done by measuring the transmittance and reflectance of the films. The CTF thin films were prepared by doping TiO2 at different concentration levels of Co which was varied between 0 and 4.51 at.%. The optical transmittance of the thin film has been found to be about 80% in the visible and near infra red regions. The calculated optical band gap has been observed to shift by about 0.22 eV, this shows a high potential for application as a dielectric and a Photocatalyst material.
    URI
    https://doi.org/10.1016/j.ijleo.2016.08.107
    https://www.sciencedirect.com/science/article/abs/pii/S0030402616309858?via%3Dihub
    http://ir-library.mmust.ac.ke:8080/xmlui/handle/123456789/2254
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