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Morphologically controlled CdS microstructures using dc electrochemical template synthesis

ZINKI JINDAL1,* , N. K. VERMA1

Affiliation

  1. School of Physics and Materials Science, Thapar University, Patiala- 147004, India

Abstract

DC electrochemical template synthesis technique has been used to fabricate the CdS microstructures (microwires/tubules) using polycarbonate membrane in an aqueous medium containing S2O 2−3 and Cd2+ at 400- 450 celsius. Morphology of the microstructures has been controlled by controlling various parameters like constant stirring, temperature, pH, and activation of the pore walls, during the electrochemical deposition. X-ray diffraction studies have been carried out for structural analysis of the fabricated structures. The results of scanning electron microscopy (SEM) showed the bulk deposition, cauliflower morphology, and uniform deposition of wires as well as tubules, depending upon the fabrication conditions. The diameter of the microstructures depends on the pore diameter and the length depends on the thickness of the template used. Room temperature photoluminescence of the microwires was measured and the spectrum showed a broad band centered at ~ 508 nm..

Keywords

Electrochemical template synthesis, Polycarbonate membranes, CdS microstructures, Photoluminescence.

Submitted at: Sept. 23, 2008
Accepted at: Dec. 10, 2008

Citation

ZINKI JINDAL, N. K. VERMA, Morphologically controlled CdS microstructures using dc electrochemical template synthesis, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 12, pp. 3283-3287 (2008)