Formation of hexagonal shaped wurtzite zinc sulphide nano rods |
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Authors: | S Senthilkumaar and R Thamiz Selvi |
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Institution: | (1) Advanced Materials Laboratory, Department of Chemistry, Faculty of Engineering, PSG College of Technology, Coimbatore, 641004, India |
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Abstract: | Zinc sulfide nanorods with good photoluminescence have been successfully fabricated using a simple sol-gel process via ultrasonication,
with mercaptoethanol as capping agent. The formation of ZnS nucleation, followed by subsequent growth, is significant in obtaining
highly oriented ZnS nanorods. Temperature, time, and capping agent also proved to be significant factors in the growth of
ZnS nanorods and greatly affect their photo luminescent properties. X-ray diffraction (XRD) analysis, low and high-resolution
transmission electron microscopy (TEM & HRTEM), selected-area electron diffraction (SAED) pattern, and scanning electron microscopy
(SEM) indicated that the ZnS nanorods were single crystal in nature and that they had grown up preferentially along the 0001]
direction. This simple method of nucleation, followed by their successive growth, resulted in the development of an effective
and low-cost fabrication process for high-quality ZnS nanorods with good photo luminescent properties that can be applied
to luminescent sensors and optoelectronic devices. |
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Keywords: | PACS" target="_blank">PACS 81 81 05 Dz 61 46 -w 81 07 Bc 81 16 -c 81 16 Be 81 20 Fw |
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