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Title | Effect of Sprayed Solution Volume on Structural and Optical Properties of Nickel Oxide Thin Films |
Authors |
Benhamida, S.
Benhaoua, B. Barir, R. Rahal, A. Benhaoua, A. |
ORCID | |
Keywords |
nickel oxide thin films spray pyrolysis XRD diffraction FT-IR technique |
Type | Article |
Date of Issue | 2017 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/65798 |
Publisher | Sumy State University |
License | |
Citation | Effect of Sprayed Solution Volume on Structural and Optical Properties of Nickel Oxide Thin Films [Текст] / S. Benhamida, B. Benhaoua, R. Barir [et al.] // Журнал нано- та електронної фізики. - 2017. - Т.9, № 3. - 03004. - DOI: 10.21272/jnep.9(3).03004. |
Abstract |
Undoped Nickel oxide (NiO) thin films were deposited on 500 ˚C heated glass using spray pyrolysis
technique. Effect of volume sprayed solution on structural and optical properties of NiO thin films was
studied. Volume amount was ranged in 5 – 30 ml and stepped by 5ml. X-ray diffraction (XRD), Fourier
transform infrared spectroscopy (FT-IR) and UV-visible spectrophotometer were used to investigate elaborated
thin films. XRD results show that the deposited films with volume lower than 10 ml is amorphous
and with increasing volume up to 10 ml NiO thin films structure become polycrystalline with cubic structure
and (111) as preferential orientation. An increase in diffraction intensity of preferred peak and narrowing
in full width at half maximum were observed with sprayed volume increasing, which leads to better
crystallinity of NiO thin films. Also it was observed that the grain size increased with increasing volume
solution and were averaged in 10 – 28 nm. FT-IR analysis of product confirms the NiO bond formation and
the results were compared with previous studies. All films exhibit an average optical transparency between
50 % and 80 % in the visible range and their band gap values are ranged in 3.38 – 3.62 eV. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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