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CDS - Astrophysics Data System

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Last Updated: 18 June 2022

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X-ray diffraction study of the elastic properties of jagged spherical CdS nanocrystals

"In this work, jagged spherical CdS nanocrystals were synthesized by chemical reaction to determine their elastic properties. " The average size of the nanocrystal is 100 nm approximately, according to the transmission electron microscope pictures. The CdS nanocrystals are found in a cubic zinc blende form, according to a X-ray diffraction report. The peak broadening of the jagged spherical CdS nanocrystals has been investigated by using a combination of crystalline size and lattice strain on the peak broadening of the jagged spherical nanocrystals. The W-H plots' findings were further confirmed by size-strain plot and root mean square strain.

Source link: https://ui.adsabs.harvard.edu/abs/2020MatSP..38..271D/abstract


Synthesis and photoluminescence spectra of CdS and CdS/ZnO doped PVK nanocomposite films

"We've investigated the effect of CdS and CdS/ZnO nanoparticle additions on the morphology and fluorescence of spin coated PVK nanocomposite films in the present work. " Simple co-precipitation technique and ZnO shell were synthesized, and the CdS nanoparticles were grown on the CdS nanoparticles by simple wet chemical process. The addition of nanoparticles to the hybrid material has resulted in an increase of fluorescence intensity at 410 nm to 450 nm spectral regions, as has been reported. These findings are vital for the manufacture of new light emitting equipment at low fabrication costs.

Source link: https://ui.adsabs.harvard.edu/abs/2018MatSP..36..354K/abstract


A high-responsivity CsPbBr3 nanowire photodetector induced by CdS@CdxZn1−xS gradient-alloyed quantum dots

"The CsPbBr3 NW photodetector's responsivity has been greatly enhanced by incorporating gradient-alloyed QDs with CsPbBr3 NW as a photoactive layer," the CsPbbBr3 NW photodetector's response has been greatly enhanced. " Inorganic halide perovskite materials have established themselves quickly as promising candidates for producing photoelectric systems, benefiting from outstanding thermal and moisture stability. However, the photoelectric conversion efficiencies of new inorganic halide perovskite materials are still lower than expected, due to their high trap state density and rapid carrier recombination rate. The responsivity of the CsPbbr3 NW photodetector treated with CdS@CdxZn1_u2212xS QDs was enhanced by nearly 10-fold over the equivalent of pristine CsPbBr3 NW photodetectors, compared to that of pristine CsPbBr3 NW photodetectors. This value is much higher than those for hybrids made up of binary CdS QDs and CdS@ZnS core/shell QDs, and CdS@ZnS core/shell QDs, which are far superior to those for hybrids made from binary CdS QDs and CdS@ZnS core/shell QDs. ".

Source link: https://ui.adsabs.harvard.edu/abs/2022NanoH...7..644W/abstract


Enhanced photocatalytic properties of ZnS/CdS/ZnCdS catalysts under visible light irradiation

"The environmental harm caused by industrial waste is gaining attention. " After 150 and 180 min under visible light, respectively, the ZnCdS nanocatalyst demonstrated superior catalytic performance over ZnS and CdS, and the highest dye degradation rate was observed for MB and RhB. This superior photocatalytic dye degradation result was observed for ZnCdS nanocatalyst's improved crystalline structure with reduced surface area, tuneable band gap, precise electron-hole separation, and high photo stability of ZnCdS. This paper provides insight into the attempts for increasing the dye degradation by composite catalyst synthesis, providing further insight into the dye degradation process.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMoSt126533375K/abstract


FTIR study of the surface-ligand exchange reaction with glutathione on biocompatible rod-shaped CdSe/CdS semiconductor nanocrystals

"Semiconductor nanocrystals are an essential optical device in life sciences. " The surface coating of SNCs by glutathione is a cost-effective way to produce biocompatible SNCs and it requires the replacement of the initial surface ligands with GSH. GSH's appearance and interactions on SNC surfaces are defined. The GSH molar fraction on SNC surfaces is found to be unchanged at 93 percent of the initial trioctylphosphine oxide ligand's 93%. According to Concentration-based experiments, the surface molar fraction of GSH affects SNCs' physical properties, solubilization yields, and quantum yields in a linear manner. ".

Source link: https://ui.adsabs.harvard.edu/abs/2022PCCP...2413356K/abstract


The enhancement of the optical properties of CdS/PMMA by adding fullerence C60

To determine optical characteristics of CdS//PMMA& CdS//PMMA nanocomposite nanocomposite, ultraviolet spectroscopy was used. The C60 nanoparticles have a major influence on CdS photocatalytic results, and their absorption of C60 CdS/PMMA nanoparticles is up to a degree relative to CdS/PMMA Fullerene is a highly effective tactic for improving CdS photocatalytic efficiency. This improvement is due to the electronic conversion from C 60 and n to u03c0* on both the CdS and C60's n orbits.

Source link: https://ui.adsabs.harvard.edu/abs/2022PhyS...97g5802M/abstract


Investigations on the structural, morphological, optical and electrical properties of undoped and nanosized Zn-doped CdS thin films prepared by a simplified spray technique

"CdS and Zn-doped CdS thin films have been deposited on glass substrates by spray pyrolysis process using a perfume atomizer. According to optical reports, the transparency increases as Zn doping level rises, and the film coated with 2 at. % Zn doping has the highest transmittance of 90 percent. For the film coated with 8 at. percent Zn dopant, the sheet resistance decreases as the Zn-doping level rises, and a minimum value of 1. 113 sq is achieved.

Source link: https://ui.adsabs.harvard.edu/abs/2014MatSP..32..652A/abstract


Osscillating Binding Energy of a Donor Impurity Confined Within CdS-SiO 2 Constant Total Effective Radius Multi-Shells Quantum Dots

"By using a wide variety of variations, adding impurity and changing the quantum dot radius as three tuning devices, localization of wave-functions in each segment of the quantum dot along the radius has now been made possible. ".

Source link: https://ui.adsabs.harvard.edu/abs/2016IJN....1550003S/abstract


Fabrication, characterization and photocatalytic properties of CdS nanoparticles modified by N-doped TiO2 NTs

"Highly ordered TiO2 nanotube arrays were assembled by anodic oxidizing process on a surface of a Ti substrate. " By successive ionic layer adsorption and reaction methods, CdS nanoparticles loaded with N-doped TiO2 nanotube arrays were produced by successive ionic layer adsorption and reaction techniques. Now, the photocatalytic activity of CdS/N-TiO2 NTs was determined by degradation of MO under visible-light irradiation. Compared to TiO2 NTs, N-TiO2 NTs, CdS/N-TiO2 NTs, and CdS/N-TiO2 NTs, the highest degradation rate of CdS/N-TiO2NTs, exhibited improved photocatalytic properties, and the highest degradation rate of CdS/N-TiO2NTs showed increased photocatalytic indices, reaching 97.

Source link: https://ui.adsabs.harvard.edu/abs/2018MatSP..36..348G/abstract


Synthesis and optical properties of CdSe/CdS core/shell nanocrystals

"The CdSe/CdS NPs' appearance is almost spherical, and it is revealed that the CdSe/CdS shell with the thickness of 0. 66 nm almost completely covers the CdSe core. " After the deposition of CdS, which confirms the shell's growth over the CdSe core, a systematic red shift in the absorption and emission spectrum was observed using UV-Vis spectroscopy. The holes are restricted to the core of the CdSe/CdS core/shell assembly, while electrons are delocalized as a result of similar electron affinities of the core and shell. ".

Source link: https://ui.adsabs.harvard.edu/abs/2019MatSP..37..149G/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions