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Synthesis Of CdSe Nanoparticles By Solvothermal Route: Structural, Optical And Spectroscopic Properties
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2012
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Materials ScienceNanoparticlesChemical EngineeringOptical MaterialsSpectroscopic PropertiesHydrazine HydrateEngineeringNanomaterialsNanotechnologyMetal NanoparticlesColloidal NanocrystalsSelenium PrecursorsNanostructure SynthesisChemistryCdse NanoparticlesSolvothermal RouteNanocrystalline Material
We have developed successfully the synthesis of highly yielded CdSe nanoparticles (NPs) at 60 0C by solvothermal route in which the cadmium and selenium precursors have been dissolved in deionized water, ethylene glycol and hydrazine hydrate. This route is very facile, inexpensive and less hazardous and ensures almost complete yield of the precursors. The powder product was well characterized by powder X- ray diffraction (XRD), Transmission electron microscopy (TEM), Scanning electron microscopy (SEM), UV-Vis spectroscopy, Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR) .It is investigated that as synthesized powder has a hexagonal (Wurtzite) structure of CdSe with diameters of the particles are in the range of 10-15 nm. The formation mechanism is also discussed.