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A simple method to synthesize Gallium Nitride (GaN) powder using gallium trichloride (GaCl3) and ethylene diamine tetra acetic acid (EDTA) as starting materials has been discussed in this article. GaN nanocrystals were synthesized by nitradation of Gallium-EDTA complex at different temperatures of 600??C, 700??C, 800??C and 900??C in ammonia (NH3) atmosphere. X-ray diffraction analysis revealed the...
Spindle-shaped lead selenide (PbSe) nanocrystals were synthesized by solution processing synthetic method for the first time. The prepared PbSe nanocrystals were characterized by X-ray diffraction, transmission electron microscopy and near-infrared absorption spectroscopy. X-ray diffraction pattern shows that the synthesized PbSe nanocrystals have cubic rock salt structure. Spindle-shaped PbSe nanocrystals...
InP nanocrystals were synthesized using dehalosilylation reaction in trioctylphosphine oxide (TOPO), and they were characterized by Powder X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-vis spectrometer and fluorescent spectrometer. The growth process was studied by monitoring the photoluminescence (PL) and UV-vis absorption spectra during the whole synthetic procedure. The growth...
Bulk nanostructured (Bi,Sb)2Te3 compounds and GeTe based amorphous/nanocrystal composites have been successfully fabricated by the combined hydrothermal/hot-pressing and quenching/annealing methods, respectively. The (Bi,Sb)2Te3 nanopowders synthesized by hydrothermal method exhibit a hollow-like structure. After hot-pressing, the nanoscale grains varying from tens to hundreds of nanometers were found...
A new chemical process to synthesize pure ZnO nanocrystal colloidal for bioimaging applications is reported. Zinc acetate dihydrate was dissolved and refluxed in a methanol solution at a low temperature (68degC) and ambient environment. Biocompatible surface capping agents were introduced to the synthesis process to control the particle nucleation and growth and, therefore, the particle size and its...
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