Synthesis and characterization of manganese-doped FeS2 thin films via chemical spray pyrolysis

Ali, Reem Sami; Rasheed, Hiba S.; Habubi, Nadir F.; Chiad, Sami Salman

doi:10.15251/cl.2023.201.63

Cited by 16 publications

(5 citation statements)

References 38 publications

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“…Since the dispersion energy depends on the optical transition and the optical conductivity, the refractive index (n) is a crucial element in fabricating devices with desirable optical properties. [42]. Fig.…”

Section: Resultsmentioning

confidence: 99%

Physical and sensing characterization of nanostructured Ag doped TiO2 thin films

Sada,

Jasim,

Saleh

et al. 2024

JOR

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On glass substrates, silver (Ag) doped Titanium dioxide (TiO2) films at varied levels of concentrations (0, 2, and 4) % wt were synthesized by chemical spray pyrolysis (CSP). As per the X-ray diffraction pattern, the only phases present in the sample were anatase and rutile TiO2. Using AFM, it was discovered that the TiO2 thin films were smooth and compact; however, the surface roughness increases as the dopant amount decreases. SEM images display TiO2 films. Surface transformation is evident with uniform spherical nanograins after Ag doping. The optical characteristics of wavelength range (300-900) nm have been investigated using absorbance and transmittance spectra. The results revealed that the films have a 65-75 % transmittance in VIS-NIR spectra for all films. The allowable direct electronic transitions have (3.15-3.25) eV energy gaps. At 250 ppm, the NH3 gas sensor exhibited increased resistance, indicating heightened sensitivity. Sensitivity decreases with concentration increases to 0 %, 2 %, and 4 % of Ag for NH3 gas. Reduction observed: 18.4% to 4.6% (50 ppm), 20.7% to 6.8% (150 ppm), and 25.9% to 8.2% (250 ppm).

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Section: Resultsmentioning

confidence: 99%

Physical and sensing characterization of nanostructured Ag doped TiO2 thin films

Sada,

Jasim,

Saleh

et al. 2024

JOR

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“…Because MgS has a wider band gap than ZnS (3.72 eV), the Mg dopant can also enlarge the band gap in ZnS QDs. 45–47 In nanocrystalline Zn 1− x Mg x O thin films, Sandeep et al found that by altering the Mg content, the optical energy gap could be adjusted between 3.40–3.83 eV. For applications like optical windows and transparent conducting oxides in the UV spectral range, Zn 1− x Mg x O is a viable contender.…”

Section: Non-transition Element-doped Znsmentioning

confidence: 99%

Cation exchange doping by transition and non-transition metals: embracing luminescence for band gap tunability in a ZnS lattice

Pandey,

Singh,

Kaundal

et al. 2024

New J. Chem.

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“…When doped with 3 percent Mg, the film's transmittance reduced to 65 percent. The decrease in transmittance may be due to the successful integration of dopant atoms into the ZnS lattice [36,37].…”

Section: Optical Propertiesmentioning

confidence: 99%

Preparation and analysis of Ag2Se1-xTex thin film structure on the physical properties at various temperatures by thermal evaporation

Ali¹,

Khudayer²

2023

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Chemical spray pyrolysis (CSP) was utilized to create pure Zinc Sulfide (ZnS) and magnesium (Mg) doped thin films on a clean glass substrate at a temperature equal to 400°C. X-ray diffraction test revealed a cubic wurtzite crystal structure with average crystallite sizes of 10.99 and 12.27 nm for ZnS and ZnS: Mg, respectively. XRD analysis of the doped films revealed a polycrystalline structure with a predominant peak along the (220) plane and additional peaks along the (111), (200), and (222) planes. The grain size raised from 10.99 to 12.27 nm as a result of the XRD patterns. The increase in Mg content from 0% to 3%, affect the bandgap that fell from 3.52 to 3.42 eV. As the Mg content increased, the transmittance and refractive index of the films was lowered.

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Synthesis and characterization of manganese-doped FeS2 thin films via chemical spray pyrolysis

Cited by 16 publications

References 38 publications

Physical and sensing characterization of nanostructured Ag doped TiO2 thin films

Physical and sensing characterization of nanostructured Ag doped TiO2 thin films

Cation exchange doping by transition and non-transition metals: embracing luminescence for band gap tunability in a ZnS lattice

Preparation and analysis of Ag2Se1-xTex thin film structure on the physical properties at various temperatures by thermal evaporation

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