Microwave-assisted synthesis of calcium phosphate nanowhiskers | Zendy

Sahil Jalota | Zendy; A. Cüneyt Taş | Zendy; Sarit B. Bhaduri | Zendy

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Microwave-assisted synthesis of calcium phosphate nanowhiskers

Author(s) -

Sahil Jalota,

A. Cüneyt Taş,

Sarit B. Bhaduri

Publication year - 2004

Publication title -

journal of materials research/pratt's guide to venture capital sources

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.788

H-Index - 148

eISSN - 0884-2914

pISSN - 0884-1616

DOI - 10.1557/jmr.2004.0230

Subject(s) - materials science , phosphate , chemical engineering , aqueous solution , calcium , microwave , urea , phase (matter) , microwave oven , combustion , hydrothermal synthesis , nuclear chemistry , inorganic chemistry , organic chemistry , hydrothermal circulation , metallurgy , chemistry , physics , quantum mechanics , engineering

Calcium phosphate [single-phase hydroxyapatite (HA), single-phase tricalcium phosphate (TCP), and biphasic HA-TCP] nanowhiskers and/or powders were produced by using a novel microwave-assisted "combustion synthesis (auto ignition)/molten salt synthesis" hybrid route. This work is an example of our "synergistic processing" philosophy combining these three technologies while taking advantage of their useful aspects. Aqueous solutions containing NaNO 3 , Ca(NO 3 ) 2 .4H 2 O and KH 2 PO 4 (with or without urea) were irradiated in a household microwave oven for 5 min at 600 watts of power. The as-synthesized precursors were then simply stirred in water at room temperature for 1 h to obtain the nanowhiskers or powders of the desired calcium phosphate hioceramics.

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