Preparation of iron phosphide particles from an aqueous solvent of oxygen-contained precursors using spray pyrolysis

Iron phosphides were prepared by an economically feasible spray pyrolysis method, in which nontoxic and inexpensive precursors are used in an aqueous solution. The addition of NaCl to the precursor solution promoted crystal growth at a low temperature and helped to avoid sintering during posttreatment. The key conclusion is that the stoichiometry, shape, and size of the particles are related to the NaCl/Fe molar ratio and the posttreatment temperature. Below the melting temperature of NaCl, the shape and stoichiometry of the particles depended on the NaCl/Fe molar ratio, while above the melting temperature, they were dominated by the posttreatment temperature. Wire-like particles were formed at a NaCl/Fe molar ratio over 15.
Publisher
BLACKWELL PUBLISHING
Issue Date
2007-12
Language
ENG
Keywords

TRANSITION-METAL PHOSPHIDES; SONOCHEMICAL SYNTHESIS; ROUTE; FE2P; NANOPARTICLES; FEP; DECOMPOSITION; NANOCLUSTERS; NANOCRYSTALS; PHOSPHORUS

Citation

JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.90, no.12, pp.3767 - 3772

ISSN
0002-7820
DOI
10.1111/j.1551-2916.2007.02038.x
URI
http://hdl.handle.net/10203/9271
Appears in Collection
CBE-Journal Papers(저널논문)
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