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The Synthesis and Characterization of Novel Cadmium Sulphide Nanocrystallites and their Thin Films

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Abstract:

Diethyl dithiocarbamate [Cd (S2CN Et2)2] complex is used to deposit the cadmium sulphide thin film at much lower temperature by Aerosol Assisted Chemical Vapour deposition (AACVD) and same precursor is used to synthesize the nanocrystals in Oleylamine at elevated temperature. Thermogravimetric analysis shows that precursor [Cd (S2CN Et2)2] decomposes in the single stage, losing 62% of total weight. Deposition of thin films at 300 °C and 400 °C showed the growth of CdS clusters which were made of granular crystallites. These results are confirmed by SEM analysis. Thermolysis of the precursor in oleylamine at 240 °C gave the nanoparticles most of them are monodispersed spherical shape, few having mono and dipod structures. TEM images confirm the structures. XRD results show the thin films and nanoparticles have hexagonal phase of CdS.

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Periodical:

Advanced Materials Research (Volumes 875-877)

Pages:

228-231

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.875-877.228

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Online since:

February 2014

Authors:

Shafique Ahmed Arain, Christopher Wilkins, Hafiz Badaruddin

Keywords:

Aerosol Assisted Chemical Vapour Deposition (AACVD), Quantum Dot (QD), Thermolysis

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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