Abstract
CdS nanorods were synthesized on a large scale by thermolyzing a single-source precursor,(Me4N)4[S4Cd10(SPh)16], in a single surfactant system. Transmission electron microscopy (TEM), high resolutiontransmission electron microscopy (HRTEM) and x-ray powder diffraction (XRD) have beenused to characterize the morphology and crystal structure of the sample. TheTEM images show that the CdS nanorods are uniform with an aspect ratio ofabout 9:1. The XRD result demonstrates that the nanorods are in a wurtzitestructure. The nanorods exhibit quantum size effects from the optical absorptionspectrum. The influence of reaction conditions on the growth of CdS nanorodsdemonstrates that high precursor concentration and high reaction temperature(>190 °C) are favorable for the formation of CdS nanorods.
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