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Title: Investigation of quantum confinement behavior of zinc sulphide quantum dots synthesized via various chemical methods

In this work, undoped and Ag-doped ZnS quantum dots were synthesized using various chemical methods. The products were characterized using X-ray diffraction (XRD), UV-visible spectroscopy and Photoluminescence spectroscopy. Our results revealed that the size of the as-prepared samples range from 1–6 nm in diameter and have a cubic zinc-blende structure. Also, we observed the emission of different wavelength of light from different sized quantum dots of the same material due to quantum confinement effect. The results will be presented in detail and ZnS can be a potential candidate for optical device development and applications.
Authors:
; ; ; ;  [1]
  1. Nanomaterials Research Lab, Department of Nanoscience and Technology, Karunya University, Coimbatore - 641 114, Tamil Nadu (India)
Publication Date:
OSTI Identifier:
22308012
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1620; Journal Issue: 1; Conference: Optics 14: International conference on optics: Light and its interactions with matter, Calicut, Kerala (India), 19-21 Mar 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION SPECTROSCOPY; CUBIC LATTICES; DOPED MATERIALS; EMISSION SPECTROSCOPY; PHOTOLUMINESCENCE; QUANTUM DOTS; SILVER COMPOUNDS; VISIBLE RADIATION; WAVELENGTHS; X-RAY DIFFRACTION; ZINC SULFIDES