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Structural and optical characterization of CdS nanoparticles synthesized using a simple chemical reaction route

R. ELILARASSI1,* , S. MAHESHWARI1, G. CHANDRASEKARAN1

Affiliation

  1. Department of Physics, School of Physical, Chemical and Applied Sciences, Pondicherry University, Puducherry- 605 014, India

Abstract

Cadmium sulphide (CdS) nanoparticles have been successfully synthesized by a simple chemical reaction route using ammonium hydroxide as a complexing agent. X-ray powder diffraction, Scanning electron microscopy, Energy dispersive analysis using x-rays and UV–Visible spectroscopy. X-ray diffraction analysis confirms the formation of hexagonal wurtzite structure of CdS with average grain size of 10 nm. SEM images depict the presence of spherical nanoparticles and pores in the sample. From the optical absorption measurement, it is supposed that the blue shift in the absorption peak of 480 nm from that of bulk is at 512 nm may be due to the quantum confinement effect..

Keywords

Cadmium sulfide nanoparticles, Chemical route, X-ray diffraction, Optical absorption.

Citation

R. ELILARASSI, S. MAHESHWARI, G. CHANDRASEKARAN, Structural and optical characterization of CdS nanoparticles synthesized using a simple chemical reaction route, Optoelectronics and Advanced Materials - Rapid Communications, 4, 3, March 2010, pp.309-312 (2010).

Submitted at: Jan. 25, 2010

Accepted at: March 12, 2010