Nano Archive

Nano-powders of Na0.5K0.5NbO3 made by a sol–gel method

Chowdhury, Anirban and Bould, Jonathan and Zhang, Yifan and James, Craig and Milne, Steven J. (2009) Nano-powders of Na0.5K0.5NbO3 made by a sol–gel method. Journal of Nanoparticle Research, 12 (1). pp. 209-215. ISSN 1388-0764

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Official URL: http://www.springerlink.com/content/j3830736041371...

Abstract

Sodium potassium niobate (NKN) nano-particle powders were synthesised through the thermal decomposition of a sol–gel NKN precursor. Powders and gels were characterised by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and transmission electron microscopy (TEM). Hydrated carbonate phases formed as a result of reaction with evolved vapours during organic decomposition, and by reaction of NKN powders with H2O and CO2 on exposure to air. The primary particle size of the powders increased from <50 to <250 nm as decomposition temperatures were raised from 500 to 950 °C.

Item Type:Article
Uncontrolled Keywords:Nano-powders - Sol–gel - Sodium potassium niobate - X-ray diffraction - Fourier transform infrared spectroscopy - Transmission electron microscopy - Synthesis method
Subjects:Material Science > Nanostructured materials
Material Science > Nanochemistry
ID Code:8129
Deposited By:IoN
Deposited On:26 Feb 2010 16:55
Last Modified:26 Feb 2010 16:55

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