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Synthesis and Characterization of Nickel oxide thin films by spray Pyrolysis method: Effect of Nickel source nature


Affiliations
1 Department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
2 department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
3 Departement of Chemistry, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
     

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Nickel oxide (NiO) material had been reported as one interesting candidate for transparent conductive oxides (TCO) applications, given their specific properties. In this work, we have synthesized un-doped nickel oxide (NiO) thin films by using the spray pyrolysis method deposited on heated glass substrates at 500°C. The effect of the Nickel source on the optical and electrical properties of the prepared films had been reported. We have used two sources of nickel: nickel nitrate (Ni (NO3)2.6H2O) and nickel Chloride (NiCl2.6H2O). The characterization techniques such as UV–visible spectroscopy and the two-point probe technique were used to investigate the prepared NiO thin films. The optical analyses show that all the samples exhibit averaged optical transparency between 52% and 61% in the visible region. The evalueted optical gap- the energy of the NiO thin films between 3.59 and 3.84eV with the change of nickel source. Refractive index and extinction coefficient values were decreased with a variation of nickel source. From Electrical measurement, it was observed that the minimum resistivity of the NiO films are 0.106 Ω from films prepared with nickel nitrate source

Keywords

TCO, Thin film, NiO, Spray pyrolysis, Glass substrates.
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  • Synthesis and Characterization of Nickel oxide thin films by spray Pyrolysis method: Effect of Nickel source nature

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Authors

Noura Mebrouki
Department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
Soufiane Ben Hamida
Department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
Lazhar Benmebrouk
department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
Rachid Gheriani
Department of Physics, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India
Louiza Zenkhri
Departement of Chemistry, Faculty of Mathematics and Material Sciences, University of Kasdi Merbah, Ouargla, 30000, Algeria., India

Abstract


Nickel oxide (NiO) material had been reported as one interesting candidate for transparent conductive oxides (TCO) applications, given their specific properties. In this work, we have synthesized un-doped nickel oxide (NiO) thin films by using the spray pyrolysis method deposited on heated glass substrates at 500°C. The effect of the Nickel source on the optical and electrical properties of the prepared films had been reported. We have used two sources of nickel: nickel nitrate (Ni (NO3)2.6H2O) and nickel Chloride (NiCl2.6H2O). The characterization techniques such as UV–visible spectroscopy and the two-point probe technique were used to investigate the prepared NiO thin films. The optical analyses show that all the samples exhibit averaged optical transparency between 52% and 61% in the visible region. The evalueted optical gap- the energy of the NiO thin films between 3.59 and 3.84eV with the change of nickel source. Refractive index and extinction coefficient values were decreased with a variation of nickel source. From Electrical measurement, it was observed that the minimum resistivity of the NiO films are 0.106 Ω from films prepared with nickel nitrate source

Keywords


TCO, Thin film, NiO, Spray pyrolysis, Glass substrates.

References