Issue 9, 2002

Cadmium ethylxanthate: A novel single-source precursor for the preparation of CdS nanoparticles

Abstract

CdS nanoparticles capped with tri-n-octylphosphine oxide (TOPO) have been synthesised by a single-source route using cadmium ethylxanthate as a precursor. The nanoparticles obtained show quantum size effects in the optical absorption spectra and the photoluminescence shows an emission maximum that is characteristically red shifted in relation to the band edge. The X-ray diffraction (XRD) pattern shows the material to be hexagonal with a calculated particle size (from the Scherrer equation) of 3.9 nm. The size of the particles is confirmed by the transmission electron microscope (TEM) image, which shows well-defined, spherical particles with an average size of 4.2 nm ± 10%.

Graphical abstract: Cadmium ethylxanthate: A novel single-source precursor for the preparation of CdS nanoparticles

Article information

Article type
Paper
Submitted
27 Feb 2002
Accepted
22 May 2002
First published
05 Jul 2002

J. Mater. Chem., 2002,12, 2722-2725

Cadmium ethylxanthate: A novel single-source precursor for the preparation of CdS nanoparticles

P. S. Nair, T. Radhakrishnan, N. Revaprasadu, G. Kolawole and P. O'Brien, J. Mater. Chem., 2002, 12, 2722 DOI: 10.1039/B202072F

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