Synthesis and Luminescence Properties of CdS Nanoparticles [J].
The nanoparticles of CdS were successfully synthesized by Microwave assisted irradiation method
Synthesis and Assembly of CdS Nanoparticles in Keggin …
and and and and (2011)Synthesis, characterization and spectroscopy of composites of graphene with CdSe and CdS nanoparticles. In: Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 50 (9-10, ). pp. 1239-1247.
The nanoparticles of CdS were successfully synthesized by Microwave assisted irradiation method. CdS materials can be used for the fabrication of solar cells, nonlinear optical materials, optoelectronic and electronic devices. X-ray diffraction (XRD) and scanning electron microscopy (SEM) technique were used for structural and morphological characterization of nanoparticles of CdS. XRD characterization of nanoparticles were taken which verify the crystalline form. The average size of the nanocrystallites were measured by Debye-Scherrer formula as per the XRD spectrum and the particle size lies in the range 4 - 7 nm. The optical characterization of the nanoparticles of CdS were taken by UV-Visible absorption spectra and the optical bandgap of as synthesized CdS nanoparticles were found to be 3.8 eV.
Synthesis and characterisation of CdS nanoparticles in ..
Nanocomposites of few-layer graphene with nanoparticles of CdSe and CdS have been synthesized by two different methods, one involving ultrasonication of a mixture of graphene and the chalcogenide nanoparticles, and another involving assembly at the organic-aqueous interface. The nanocomposites have been examined by electron microscopy, electronic absorption and photoluminescence spectroscopies as well as Raman spectroscopy. Electron microscopy reveals that the nanoparticles are dispersed on the graphene surface. Raman spectra show the presence of definitive electronic interaction between the nanoparticles and graphene depending on the capping agent. Photoluminescence spectra are markedly influenced by the interaction of the nanoparticles with the graphene surface, depending on the capping agent.
Nanocomposites of conducting polyaniline with CdS nanoparticles have been synthesized via in situ by oxidizing the complex of aniline with cadmium sulfate at 3.5 pH. The effect of CdS-nanoparticles on the electrical conductivity of polyaniline was discussed. The as prepared products were characterized by FT-IR and Transmission electron Microscopy. FTIR absorption band at 3600 - 3500 cm-1 confirmed the highly attached polyaniline with CdS nanoparticles. TEM showed the CdS particles are spherical with the average diameter of 19 nm which was evenly distributed in polymer matrix. The uniform intercalation of CdS nanoparticles results in a cooperative phenomenon between the polyaniline and the nanoparticles, as a consequence, the CdS nanoparticles increased the electrical conductivity of polyaniline nanocomposite to 6.50x10-2 S/cm compared to the pure polyaniline (10-10 S/cm); Germanium (10-2 S/cm) and Silicon (10-4S/cm) semiconductors. Its electrical conductivity was found to be analogous with existing semiconducting metals. The fact is supported by the ample of experimental results and characterization evidences.
Synthesis and Luminescence Properties of CdS Nanoparticles
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