Impact on Development of ZnS Nanoparticles Thin Film Deposited by Chemical Bath Deposition and Spin Coating

Arif, Noor Azie Azura Mohd; Fun, Chin Suk

doi:10.35940/ijaent.d0459.024521

Cited by 5 publications

(3 citation statements)

References 38 publications

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“…e impact of hydroxide is minimized when ZnS is deposited in an acidic chemical bath. For most metal ions widely used in CBD, it is fair to conclude that no hydroxide is available under such conditions and also that deposition occurs through an ion-by-ion process [11][12][13][14]. e aim of this research was to look at ZnS thin films deposited under different defined temperatures for photovoltaic cell applications.…”

Section: Introductionmentioning

confidence: 99%

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

Saka¹,

Tesfaye²,

Kiran³

et al. 2021

Advances in Materials Science and Engineering

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Thin films of zinc sulfide (ZnS) with different concentrations of zinc acetate have been made by chemical bath deposition technique in acidic medium (pH = 5) on glass substrate using zinc acetate and sodium sulfide as sources of Zn+2 ion and S−2 ion, respectively, and ethylenediaminetetraacetate as complexing agents and sulfuric acid to adjust pH value at a constant deposition temperature of 85°C, and the deposition time of 90 minutes was used. The effect of the concentration of metallic precursor on the structural, morphological, and optical properties of chemical bath deposited zinc sulfide thin films was investigated in this study. The XRD result confirmed mixed phases of crystalline and amorphous structure dominating other phases, which is witnessed by larger crystallite size than other phases. It reveals that the thin films had hexagonal structure at the medium concentration with preferred orientation along (111) plane, and at lower and higher concentration, it showed that film has an amorphous structure in nature. The crystallinity of all the phases significantly enlarged with increasing the zinc precursor concentration. The SEM micrographs showed high-pitched edged irregular-shaped grains covering the substrate with pinholes and bangs. The optical properties investigated by the UV-VIS spectrometer specified a decrease in the optical bandgap of the films between 3.5 eV and 2.6 eV as the zinc acetate concentration in the solution increased from 0.1 to 0.2 M. It showed that the zinc sulfide had high absorption in the UV radiation. The main finding of this paper is that metallic precursor concentration has a significant role in the optical, morphological, and microstructural properties of the cobalt sulfide thin films, which are most suitable for photovoltaic applications.

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Section: Introductionmentioning

confidence: 99%

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

Saka¹,

Tesfaye²,

Kiran³

et al. 2021

Advances in Materials Science and Engineering

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“…All sodium alginate droplet pictures with a scanning electron microscope (SEM) showed a comparatively regular spherical form. The external surface was rather uneven and grooved with many crinkles and wrinkles, which increased contact surface area between carbon-based dyes and the composite droplets and afford more vigorous places, thus refining their adsorption enactments, as shown in Figure 2, and this result was in agreement with previous work of [38][39][40]. Doping SA with SiO 2 (Figures 2(b) and 2(d)) reveal the dispersion of SiO 2 nanomaterial from low to high con-centrations.…”

Section: Morphological Characterizationsupporting

confidence: 91%

Polymeric Droplets on SiO₂ Nanoparticles through Wastewater Treatment of Carbon‐Based Contaminants in Photocatalytic Degradation

Saka¹,

Jule²,

Gudata³

et al. 2022

Journal of Nanomaterials

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The current work focus is on utilizing sunlight to catalyze the destruction of carbon-based (organic) pollutants. To increase the morphological area and improve the proficiency of the photocatalytic technique, sodium alginate was used as a polymeric tool and arranged as drop practice. SiO2 nanoparticles were doped into sodium alginate droplets. The developed SiO2 nanomaterials were able to spread the wavelength diversity throughout a significant wavelength constituency. In the photocatalytic technique employing the lot photoreactor, MB was used as a sample of carbon-based pollutants. The sunlight catalytic procedure was implemented from UV-Vis or photo light droplets. The analysis of the synthesized droplets was tested using devices X-ray diffraction (XRD), scanning electron microscopy (SEM), and photoluminescence (PL) analysis. Correspondingly, the influences of different concentrations of SiO2 nanosolution (5 ml, 10 ml, 15 ml, and 20 ml) on the photocatalytic effectiveness of the deposited nanoparticles were studied. The output result revealed that sodium alginate beads doped with SiO2 at 20 ml were able to reduce (degrade) 98.9% underneath UV-visible light. However, in the case of using other concentrations, SiO2 at 5, 10, and 15 ml were able to degrade 50%, 56.7%, and 67.9% under sunlight, respectively, after 2 h.

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“…The influence of hydroxide is reduced when CdSe nanoparticles are prepared in an acidic medium. For most metal ions widely used in CBD, it is fair to conclude that no hydroxide is available under such conditions and also that deposition occurs through ion-by-ion processes [8]. The aim of this research was to look at CdSe nanoparticles grown under various concentrations for optoelectronic applications.…”

Section: Introductionmentioning

confidence: 99%

Effect of Sodium Selenosulfate Concentration on Microstructural, Morphological, and Luminescence Characteristics of Cadmium Selenide Nanoparticles

Saka¹,

Jule²,

Shanmugam

et al. 2022

Journal of Nanomaterials

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CBD-deposited cadmium selenide nanoparticles in acidic medium production at pH value of bath solution was stayed constant at 6.5 using EDTA as complexing agents; sodium selenosulfite acts as a source of Se2- ion and cadmium acetate as source of Cd2+ ion. The nanoparticles of binary compound CdSe were also grown at different concentrations of sodium selenosulfite, and the influence of this parameter on the behaviours of the nanoparticles was studied. The as-synthesized cadmium selenide nanoparticles are investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), and PL absorption spectroscopy. Cadmium-selenide nanoparticles were produced using various concentrations as 10, 15, and 20 milliliters on a microscopic glass plate by chemical technique at a growth temperature of 90 degree Celsius. Microstructural constraints realized from the X-ray diffraction pattern decrease in grain size with an increase of concentration (8.25 nm–0.01 nm). It witnessed that the synthesized nanoparticle has a cubic crystal structure with favoured direction towards the (111) Miller indices’ plane. The oriented peak was investigated from the planes (311) and (111). From patterns of PL emissions, it was detected that in increasing concentration of sodium selenosulfate intensity, the nanoparticles with small crystal size could represent maximum luminescence intensity associated with the larger crystal size. This is due to the fact that the amount of ions on the nanoparticle surface rapidly increases as the crystal size of the nanoparticles reduces. Additionally, the transporter recombination ratio was increased as the size of the transporter reduces resulting in an increase in the overlap between the electron and hole wave functions. SEM inspection of produced nanoparticles reveals that the surface is free of cracks and that the grains are spherically formed. The surface is coated with granules of consistent size and shape. There are no fractures or holes visible inside the thin films under examination.

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Impact on Development of ZnS Nanoparticles Thin Film Deposited by Chemical Bath Deposition and Spin Coating

Cited by 5 publications

References 38 publications

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

Polymeric Droplets on SiO₂ Nanoparticles through Wastewater Treatment of Carbon‐Based Contaminants in Photocatalytic Degradation

Effect of Sodium Selenosulfate Concentration on Microstructural, Morphological, and Luminescence Characteristics of Cadmium Selenide Nanoparticles

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Impact on Development of ZnS Nanoparticles Thin Film Deposited by Chemical Bath Deposition and Spin Coating

Cited by 5 publications

References 38 publications

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

[Retracted] Studying the Effect of Metallic Precursor Concentration on the Structural, Optical, and Morphological Properties of Zinc Sulfide Thin Films in Photovoltaic Cell Applications

Polymeric Droplets on SiO2 Nanoparticles through Wastewater Treatment of Carbon‐Based Contaminants in Photocatalytic Degradation

Effect of Sodium Selenosulfate Concentration on Microstructural, Morphological, and Luminescence Characteristics of Cadmium Selenide Nanoparticles

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Polymeric Droplets on SiO₂ Nanoparticles through Wastewater Treatment of Carbon‐Based Contaminants in Photocatalytic Degradation