Pure and co-doped ZnO nano-sheets thin films as UV detectors

Aboud, Ahmed A.; Mukherjee, A.; Al-Dossari, M.; El-Gawaad, N. S. Abd; Saad, A. M.

doi:10.1007/s10854-023-10789-w

J Mater Sci: Mater Electron

2023

DOI: 10.1007/s10854-023-10789-w

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Pure and co-doped ZnO nano-sheets thin films as UV detectors

Ahmed A. Aboud

A. Mukherjee

M. Al-Dossari

et al.

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Cited by 7 publications

References 45 publications

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Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Karakaya,

Kaba

2024

Appl. Phys. A

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ZnO:F thin films were produced by ultrasonic spray pyrolysis (USP) technique. For photovoltaic and photocatalytic applications, the properties of ZnO films have been tried to be improved by adding the flourine (F) element. The average optical transmittance was higher than 85%. Photoluminescence (PL) spectra depict blue, green and yellow emission in deposited films. Photocatalytic activity of ZnO and ZnO:F thin films was evaluated with methylene blue (MB) organic pollutant under UV irradiation. 5% doped ZnO:F film successfully decomposed ~ 80% using MB as photocatalyst. The lowest resistivity (3.54 × 10–3 Ωcm), high carrier concentration (2.52 × 1020 cm−3) and high hall mobility (8.28 cm2V−1 s−1) were observed in ZnO:F (5%) film. With this study, it was concluded that F-doped ZnO films were effective in the degradation of MB, which is widely used in the food and pollutant industries. Therefore, it makes ZnO:F films a promising material in both optoelectronic and photocatalytic applications due to their optimum properties.

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Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Karakaya,

Kaba

2024

Appl. Phys. A

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Investigating the impact of Cs doping on physical properties and unveiling its potential as a UV detector on ZnO thin films

Alkorbi,

Mostafa,

Ahmed

et al. 2023

J Mater Sci: Mater Electron

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Physical Properties of Cu, Co, and Zn doped TiO₂ nanocrystalline thin films prepared using spray pyrolysis

Aboud,

El-Gawaad,

Al-Dossari

2023

Phys. Scr.

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This research focuses on the preparation and characterization of TiO2 thin films in both pure and doped forms. The films were deposited onto glass substrates using the spray pyrolysis technique. The pure film was doped with Cu, Co, and Zn at a constant ratio of 3 wt% in the starting solution. XRD analysis revealed the presence of anatase TiO2 phase in all deposited films. The crystallite size of the pure film was determined using Scherer’s equation and found to be 8.3 nm, while the doped films had sizes of 11.3 nm (Cu), 13.8 nm (Co), and 11.3 nm (Zn). SEM images showed the formation of fine grains with a normal distribution, with average sizes of 27.02 nm (pure), 39.37 nm (Cu), 33.4 nm (Co), and 29.37 nm (Zn) for the respective doped TiO2 films. EDX analysis confirmed the presence of the dopant elements in the deposited films. It was observed that all films exhibited a direct band gap, with a value of 3.79 eV for the pure film, which slightly decreased upon doping. Additionally, various optical constants such as refractive index, extinction coefficient, dielectric constant, relaxation time, and optical mobility were estimated and presented in this study.

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Pure and co-doped ZnO nano-sheets thin films as UV detectors

Cited by 7 publications

References 45 publications

Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Investigating the impact of Cs doping on physical properties and unveiling its potential as a UV detector on ZnO thin films

Physical Properties of Cu, Co, and Zn doped TiO₂ nanocrystalline thin films prepared using spray pyrolysis

Contact Info

Product

Resources

About

Pure and co-doped ZnO nano-sheets thin films as UV detectors

Cited by 7 publications

References 45 publications

Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Effect of fluorine doping on the improvement of electrical and photocatalytic properties of ZnO films

Investigating the impact of Cs doping on physical properties and unveiling its potential as a UV detector on ZnO thin films

Physical Properties of Cu, Co, and Zn doped TiO2 nanocrystalline thin films prepared using spray pyrolysis

Contact Info

Product

Resources

About

Physical Properties of Cu, Co, and Zn doped TiO₂ nanocrystalline thin films prepared using spray pyrolysis