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Conclusive Growth of CdTe Nanorods by Solvothermal Decomposition Using Single Source Precursors

Author(s): Arunendera Kumar Tiwari | Vinay Kumar Verma | Tripti A. Jain | Parmendra Kumar Bajpai

Journal: Soft Nanoscience Letters
ISSN 2160-0600

Volume: 03;
Issue: 03;
Start page: 52;
Date: 2013;
Original page

Keywords: Single Source Molecular Precursor | CdTe Nanorods | SEM | Solvothermal Synthesis

CdTe nanorods are synthesized by solvothermal decomposition, using single source molecular precursors (SSMP) cadmium (II), complex of bis-(aminopropyl telluride) (SSMP-I) and cadmium (II) bis-(isopropyl telluro) propane (SSMP-II) and quinoline as solvent at relatively low temperature (210°C). As synthesized nanomaterials are structurally characterized by XRD and SEM, SEM micrographs revealed formation of rod shapes structures whose dimensions change with the source precursor molecule. The average crystallite size estimated from XRD data is 29.78 and 28.94 nm respectively using Precursors I and II. The average size of nanorods is 1.237 μm and 0.15μm respectively, estimated from SEM micrographs. These are much larger than the average crystallite size estimated from XRD data. This is attributed to the agglomeration of nanocrystallites as quinoline is not a good capping agent.
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