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Last Updated: 18 September 2022

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Numerical Simulation of CdS/GaSe Solar Cell Using SCAPs Simulation Software

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Source link: https://doi.org/10.1007/978-3-031-12416-7_27


Electrical Properties of PU/CdS Nanocomposites

TSDC is employed to investigate the mechanism of charge storage in order to determine the role of nanofillers in electret state, charge inflation, and charge storage capacities of nanocomposites. With the concentration of CdS nanoparticles, the activation time, charge, and charge carrier mobility decreases, while decreasing time and peak current decrease.

Source link: https://doi.org/10.1007/978-981-19-2468-2_37


Surface-functionalized fluorescent carbon dots (CDs) for dual-mode detection of lead ions

Due to the tight interaction between MPA and Pb2+_, the addition of lead ions to the MPA@CDs solutions resulted in an increase in fluorescence. MPA@CDs' reaction with Pb2+ was characterized as a significant increase in the solution turbidity, according to further. With a LOD of 13. 2 nM, this visible detection system could identify Pb-2+. Both of the above tests, which were developed with the assistance of MPA@CDs, demonstrated heightened sensitivity and selectivity with the rapid response toward Pb+ ions even in the spiked real water samples.

Source link: https://doi.org/10.1007/s11696-022-02307-9


Phytoremediation of CdS/Te quantum dots by Ocimum basilicum in the presence of EDTA

Purpose of nanomaterials like quantum dots with optical properties has increased over the past decade in the last decade because of their electronics, medicine, and environmental uses. In this study, the extraction and translocation of cadmium as QDs by Ocimum basilicum u201d was investigated. To minimize human consumption, edible plants must be able to identify where the contaminants are found. Methods In this paper, cadmium oxidation, manufacture, and transplantation of cadmium in the presence of 1,000 mg/kg-soil were investigated in O. basilicum for three and six weeks. Low-conductivity QDs at low concentration had the highest translocation factor, indicating that cadmium's nanocrystal structures can influence the phytoextraction process. Conclusion The bioconcentration factors have established that O. basilicum phytoextracts cadmium from soils polluted with CdS/Te QDs and CdIS.

Source link: https://doi.org/10.1007/s40201-022-00822-1


Strain-Modulated Electronic and Optical Properties of Monolayer and Bilayer CdS: A DFT Study

We have discovered that monolayer and bilayer CdS' electronic band structure is highly prone to biaxial strain, and as a result, bandgap energy can be tuned to a wide variety of compressive and tensile strains. Both the monolayer and bilayer structures maintain the debridled bandgap nature of the relaxed structure under compressive strain, but tensile stress converts the material into degenerate electronic band structures, degenerate band structure. According to our DFT results, in addition to tuning the optical absorption, the presence of direct bandgap absorption in these two structures can be increased under tensile strain.

Source link: https://doi.org/10.1007/s11664-022-09897-w


An in-depth analysis of nucleation and growth mechanism of CdS thin film synthesized by chemical bath deposition (CBD) technique

For synthesising high-quality, CdS thin films, we demonstrated an innovative and new hybrid sensitization technique, which involved the 1-step linker between the related chemical bath deposition process and the traditional doping method during CBD. The intermediate complexes were electrostatically bonded to soda-lime glass, resulting in the formation of the intermediate complexes [Cd_4]2+], which assisted in the collision of these complexes with a soda-lime glass slide. The CdS+ MPA films had the highest carrier concentration, whereas the CdS+ Ag + MPA films had the lowest resistance, with a jump of 3 orders of magnitude.

Source link: https://doi.org/10.1038/s41598-022-19340-z


Unraveling the physical properties of Mn-doped CdS diluted magnetic semiconductor quantum dots for potential application in quantum spintronics

Here, we demonstrate successfully synthesized tunable diluted magnetic semiconductor QDs by the hot injection chemical route. The XRD and TEM tests demonstrated that undoped and Mn-doped CdS QDs are polycrystalline in cubic phase without having any dopant-related signature. According to a XANES investigation, the Cd has the same oxidation state in the undoped and Mn-doped CdS QDs as well as Mn's +2 oxidation state in Mn-doped CdS QDs. The coordination number of S in all of Mn-doped samples shows the S vacancy in comparison to undoped CdS, which also shows that due to Mn doping. With increasing Mn concentration in CdS, the intensity of the first LO peak fades rapidly and linearly. Mn-doped CdS QDs' diluted magnetic semiconductor behavior, which may play a key role in quantum spintronics, is confirmed by the ferromagnetism of room temperature ferromagnetism, which would play a vital role in quantum spintronics.

Source link: https://doi.org/10.1007/s10854-022-08969-1


CdS-deposited titania nanotubes array heterostructures and its investigation for photocatalytic application under visible light

To increase visible light excitation, doping is used as a supplement. Cadmium sulphide is another well-known photo material that produces the best photocatalyst when mixed with titania. The nanotubes array is one of many aspects of nanomaterials due to its well-organized architecture and broad surface area compared to nanoparticles. In this study, the conventional method for synthesizing titania nanotubes array by sonoelectrochemical synthesis was used, and CdS doping was carried out using a wet chemical process. Bandgap shifting has confirmed CdS' adherence to titania.

Source link: https://doi.org/10.1007/s12034-022-02750-0


Efficient cleanup of emerging contaminants by green biosynthesized Z-scheme-type Bi_2O_3@CdS nanocomposite with improved photoactivity

Analgesic and antipyretic drugs are often used over the counter by parabromo and diclofenac. Using Azadirachta indica aqueous leaves extracts, great attempts were made to produce a natural Z-scheme-coupled cadmium sulfide nanocomposite herein. The degradation of PCM and DCF on Bi_2O_3@Cds began with the first-order kinetics, with about 3. 2 and 2. 5 times apparent rate constants that of individuals, respectively. Bi_2O_3@CdS' enhanced photocatalytic performance is attributed to a synergistic result, which includes high surface activity, porosity, and low bandgap, high light absorption, matched energy band structure, and improved separation of photogenerated charge carriers between the individual's nanoparticles. In the Z-scheme mechanism's controlled migration of photoinduced carriers in photocatalysis, photogenerated reactive species such as electrons, holes, and hydroxyl radicals refer to the directed migration of photoinduced carriers in photocatalysis. Bi_2O_3@Cds is a renewable and promising photocatalyst for environmental purification and efficient energy use, according to the author.

Source link: https://doi.org/10.1007/s41204-022-00283-9


Development of N,S-CDs fluorescent probe method for early detection of Cr(VI) in the environment

In this work, the optimization of irradiation time and ammonium persulfate mass as a source of N and S dopants was investigated. N and S atoms were successfully passedivated on the CDs surface, as shown by the presence of characteristic N and S atom bonds, as well as Su2013H and -SO_3 for S atoms, based on FT-IR spectra. According to LOD and LOQ, respectively, the response times and Cr concentration were 0. 39 ppm and 0. 127 ppm, respectively.

Source link: https://doi.org/10.1007/s11696-022-02454-z

* 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