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Structure and optical characterization of nickel-doped nano CdS powder

SANJEEV KUMAR1,* , RAMESH CHANDRA2

Affiliation

  1. Shah-Schulman Center for Surface Science and Nanotechnology, Dharmsinh Desai University Nadiad- Gujarat INDIA
  2. Institute Instrumentation centre, Indian Institute of Technology, Roorkee India

Abstract

Nanocrystalline CdS:Ni2+ powder was synthesized in the laboratory at 280K using hydrothermal process without any capping agent. These Powders were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM . XRD patterns for Nickel doped and undoped CdS powders showed broad peaks corresponding to cubic CdS. The shift of the diffraction peak (111) towards higher angle is believed to result from the incorporation of Ni ions into the CdS lattice. Size of nanocrystallites was estimated to (~ 6 nm) using Scherrer’s equation. SEM observations showed the presence of nanocrystallites forming spherical aggregates of around 50 to 60 nm in diameter. EDAX confirm the chemical composition of CdS: Ni2+ ..

Keywords

CdS powder, CdS:Ni, Optical characterization.

Submitted at: July 15, 2011
Accepted at: Aug. 10, 2011

Citation

SANJEEV KUMAR, RAMESH CHANDRA, Structure and optical characterization of nickel-doped nano CdS powder, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 8, pp. 952-954 (2011)