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Paper Details

Paper Title
Two Step Hydrothermal Synthesis of Nanocrystalline CdS
Cadmium sulphide nanocrystals of predominantly hexagonal shape have been synthesized using a two-step hydrothermal method. In this method, a wet chemical process and a hydrothermal process were grouped together. In the first step, the precursor solutions along with hydrazine hydrate were thoroughly mixed together and preheated at 50 °C for 30 minutes. The resulting sol was then transferred to a metal bomb which was maintained at 150°C for six hours to produce nanocrystalline CdS. X-ray diffraction (XRD) studies confirm that synthesized nanocrystals are highly crystalline CdS having the wurtzite structure. Transmission electron microscopy (TEM) show fine polygon shaped crystallites of size around 30-50 nm. Raman results confirm the characteristic phonon vibrational modes of CdS. Room temperature Photoluminescence spectra indicate that the optical band gap of the synthesized particles is around 2.53 eV.
Nanoparticles, two step solvothermal method, band gap, TEM, photoluminescence
Others Details
Paper Id : 69352
Author Name : Rekha Garg Solanki
Co-Author Name(s) : Poolla Rajaram
Volume/Issue No : Volume 04 Issue 07
Page No : 118-122
DOI Number : DOI:10.21090/IJAERD.69352
Publication Date : 2017-07-12
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website :
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406