Abstract
High quality CdS nanorods are synthesized reproducibly with cadmium acetate and sulfur as precursors in trioctylphosphine solution. The morphology, crystalline form and phase composition of CdS nanorods are characterized by transmission electron microscopy (TEM), high-resolution TEM and X-ray diffraction (XRD). CdS nanorods obtained are uniform with an aspect ratio of about 5:1 and in a wurtzite structure. The influence of reaction conditions on the growth of CdS nanorods demonstrates that low precursor concentration and high reaction temperature (260 °C) are favorable for the formation of uniform CdS nanorods with 85.3% of product yield.
Highlights
Nanoscale one-dimensional semiconductor materials have drawn much attention due to their unique mechanical, optical, and electronic properties [1,2,3]
The resulting yellow solution was stirred at 260 °C for reaction 6 h, cooled to 50 °C and methanol was added to give a fine deposit of CdS nanorods, which was separated by centrifugation and dissolved in toluene
The morphology and dimension of the product were examined by transmission electron microscopy (TEM) and high resolution TEM (HRTEM)
Summary
Nanoscale one-dimensional semiconductor materials have drawn much attention due to their unique mechanical, optical, and electronic properties [1,2,3].
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