An investigation of structural, electrical and optical properties of metal free-Zinc Oxide Thin Films Using Spray Pyrolysis Sol-Gel Techniques | ||||
| Egyptian Journal of Chemistry | ||||
| Volume 67, Issue 10, October 2024, Page 181-189 PDF (844.38 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2024.266541.9265 | ||||
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| Authors | ||||
Salah Eddine BOUSSAADA1; Younes MOUCHAAL  1; Houaria RIANE1; Abdelbacet KHELIL2
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| 1Exacte Sciences Faculty, Mascara University, Algeria | ||||
| 2LPCMME Lab, Ahmed Ben Bella Oran 1 University, Algeria | ||||
| Abstract | ||||
| This study focuses on the fabrication of pure ZnO thin films via the Spray pyrolysis Deposition technique on glass substrates. By adjusting both concentration and spray cycles during deposition, a comprehensive analysis of the resulting films structural, optical, morphological, and electrical characteristics was conducted. Notably, promising outcomes were achieved leading to transparent and high conductive structure without the need for metal doping. Most performant result were obtained using structure from 0.04 mole solution, yielding an optical transparency of 60.55%, electrical conductivity of 20.6 Ω-1cm-1, a mobility of 5.87 cm2/Vs, and an optical bandgap of 3.50 eV. Structural analysis performed via XRD showed hexagonal polycrystalline Wurtzite structure with favored (002) orientation. These findings suggest that ZnO thin films hold the potential for applications in optoelectronic devices | ||||
| Keywords | ||||
| ZnO; Spray Pyrolysis; Hall Effect measurements; Wurtzite structure; Mobility | ||||
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