Spray pyrolyzed surface-modified ZnO thin films via cobalt doping: Optical, structural and morphological properties

Ahmed, Abubakar D.; Ezike, Sabastine C.; Ike, Emmanuel; Idu, Kevin H.; Obodo, Raphael M.; Salawu, Mufutau A.

doi:10.1016/j.optmat.2024.115053

Optical Materials

2024

DOI: 10.1016/j.optmat.2024.115053

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Spray pyrolyzed surface-modified ZnO thin films via cobalt doping: Optical, structural and morphological properties

Abubakar D. Ahmed,

Sabastine C. Ezike,

Emmanuel Ike

et al.

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2024

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Cited by 3 publications

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Investigation of structural, morphological, and optical properties of (Ni/Co, Fe/Co, and Fe/Ni) co-doped ZnO thin films prepared by sol-gel spin coating technique

Ayachi,

Ayad,

Djelloul

et al. 2024

J Sol-Gel Sci Technol

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Investigation of structural, morphological, and optical properties of (Ni/Co, Fe/Co, and Fe/Ni) co-doped ZnO thin films prepared by sol-gel spin coating technique

Ayachi,

Ayad,

Djelloul

et al. 2024

J Sol-Gel Sci Technol

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Studies on antioxidant, optical, morphological and structural properties of co-doped zinc oxide nanoparticles

Kaur,

Singh

et al. 2024

Indian J Phys

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Influence of Adansonia digitata Stem Extract Immersion Time on Properties of Biosynthesised Silver Nanoparticles

Ezike,

Adamu,

Ike

et al. 2024

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The emergence of the multidisciplinary field of nanoscience with potential applications in medicine, cosmetics, renewable energy, agriculture and environmental remediation has led scientists to search for safer methods of synthesising nanoparticles. We based this study on the synthesis of silver nanoparticles (AgNPs) for varying immersion times of 30, 60, 90, 120 and 150 min, while employing Adansonia digitata as a reducing and capping agent and labelled A, B, C, D and E, respectively. The X-ray diffraction (XRD) pattern of the synthesised AgNPs for all samples have three peaks positioned at 2θ = 37.94°, 44.07° and 64.37° corresponding to (111), (200) and (220) planes, respectively. The samples have a preferred orientation at 2θ = 37.94° corresponding to (111) plane irrespective of the duration of immersion of Adansonia digitata root extracts. The preferred intense peak shows a polycrystalline phase composition of the green synthesised AgNPs, demonstrating the creation of face-centred cubic crystalline of AgNPs. The intrinsic stress, σs, dislocation density, δ, specific surface area, S, crystallite size (D), surface area (S) to volume (V) ratio, lattice parameter, a and atomic packing factor were calculated from XRD data and presented. The particle sizes obtained from the SEM analysis are 69.88, 18.69, 15.45, 19.64 and 20.08 nm for samples A, B, C, D and E, respectively. The optical energy band gaps are 2.37 eV, 2.42 eV, 2.59 eV, 2.52 eV and 2.34 eV for samples A, B, C, D and E respectively. The synthesised AgNPs can be used in energy storage and conversions owing to their properties.

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Spray pyrolyzed surface-modified ZnO thin films via cobalt doping: Optical, structural and morphological properties

Cited by 3 publications

References 53 publications

Investigation of structural, morphological, and optical properties of (Ni/Co, Fe/Co, and Fe/Ni) co-doped ZnO thin films prepared by sol-gel spin coating technique

Investigation of structural, morphological, and optical properties of (Ni/Co, Fe/Co, and Fe/Ni) co-doped ZnO thin films prepared by sol-gel spin coating technique

Studies on antioxidant, optical, morphological and structural properties of co-doped zinc oxide nanoparticles

Influence of Adansonia digitata Stem Extract Immersion Time on Properties of Biosynthesised Silver Nanoparticles

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