Laser wavelength-dependent size of CdSe nanoparticles synthesized by Laser Fragmentation in Liquid Medium

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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“…As the concentration of SA increased, the peaks were increased. This result is in agreement with the reported works [37].…”

Section: Resultssupporting

confidence: 94%

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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“…CBD is a somewhat inexpensive method for the deposition of nanomaterials as it does not need extremely cultured materials. Cadmium selenide nanostructures have been produced by numerous scientists by using different methods such as microwave deposition, sputtering, precipitation, sonochemical, and solvothermal [4,5]. In order to prepare for nanostructure temperatures of deposition, annealing and the volume ratio of source solution have a vital role in the behaviours of the samples to be produced [6].…”

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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Etching to unveil active sites of nanocatalysts for electrocatalysis

Choi

Park

Kim

et al. 2021

Mater. Chem. Front.

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Laser wavelength-dependent size of CdSe nanoparticles synthesized by Laser Fragmentation in Liquid Medium

Cited by 4 publications

References 18 publications

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

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

Etching to unveil active sites of nanocatalysts for electrocatalysis

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Laser wavelength-dependent size of CdSe nanoparticles synthesized by Laser Fragmentation in Liquid Medium

Cited by 4 publications

References 18 publications

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

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

Etching to unveil active sites of nanocatalysts for electrocatalysis

Contact Info

Product

Resources

About

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

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