Journal
JOURNAL OF CRYSTAL GROWTH
Volume 310, Issue 10, Pages 2569-2574Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2008.01.014
Keywords
crystallites; nanostructures; nucleation; nanomaterials
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Ni2P uniform hollow nanospheres were prepared via a template-free surfactant-assisted solvothermal route using NiCl2 center dot 6H(2)O and elemental yellow phosphorus as starting materials and urea as pH regulator in a mixture solution of ethylene glycol (EG), ethanol and water. X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray spectroscopy (EDX), transmission electronic microscopy (TEM), electron diffraction (ED), and scanning electron microscopy (SEM) studies show that the as-obtained nanocrystal is pure Ni2P with a hexagonal phase and the high-quality spheres are about 500 nm in diameter. The experimental results indicated that sodium dodecyl sulfate (SDS) and urea play an important role in controlling the formation of Ni2P hollow nanospheres. The possible growth mechanism is proposed. (C) 2008 Elsevier B.V. All rights reserved.
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