Synthesis, Characterization, and Growth Mechanism of Self-Assembled Dendritic CdS Nanorods
A simple evaporation-condensation method was used to investigate self-assembled CdS nanorods with different geometrical configurations. At the evaporation temperature of 800 °C, the growth of branched CdS structures with multi nanorod arms along the  direction was observed. However, at 1000 °C, dendritic arrays of parallel CdS nanorods were formed along the  direction. The diameters of the nanorods range from 30 to 500 nm and their lengths from 1 to 5 μm. A series of electron microscopy characterization results suggests that the growth of both types of CdS nanorods is governed by the vapor-solid growth mechanism. The formation of CdS nanorods with various morphologies is attributed to the intrinsically anisotropic growth of wurtzite CdS structure along the  c axis as well as the varying supersaturation of CdS vapor with the evaporation temperature.
Physics, Astronomy, and Materials Science
Dong, Lifeng, Tatyana Gushtyuk, and Jun Jiao. "Synthesis, characterization, and growth mechanism of self-assembled dendritic CdS nanorods." The Journal of Physical Chemistry B 108, no. 5 (2004): 1617-1620.
The Journal of Physical Chemistry B