Add time:07/30/2019         Source:sciencedirect.com

Zinc Sulphide doped with Gadolinium (ZnS: Gd) quantum dots have various scientific and engineering applications in electronics, nonlinear optical devices for communication, and optical computers. The material is an excellent light transmission material with high refractive index 2.27, makes useful in photonic crystal devices that operate in the region from visible to near infrared. ZnS:Gd nano materials with an average particle size of 18-23 nm are synthesized by the reaction of Zinc acetate, Hydrogen Sulphide and Gadolinium oxide by chemical route technique. XRD, SEM, EDAX and FTIR characterize the samples. The average crystal size of the prepared ZnS: Gd nanopowder is determined by XRD. Band gap values Gd3+ doped ZnS were determined to 4.11 eV from the optical absorption studies of the as-prepared samples and exhibited a redshift towards 301 nm in comparison with undoped ZnS nanoparticles and a blue shift was observed relative to bulk ZnS.

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