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Research Article | Open Access

Synthesis and characterization of sodium–lithium niobate ceramic structures and their composites with biopolymers

Thomas V. MATHEW, Sunny KURIAKOSE*( )
Research and Post Graduate Department of Chemistry, St. Thomas College, Pala, Arunapuram P.O., Kottayam, Kerala, India
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Abstract

Ceramic powders of Na1−xLixNbO3 (LNN) have been synthesized by an aqueous sol–gel route. These solid solutions were prepared from Na–Li–Nb precursor gel. The precursor was synthesized from Na–EDTA, Li–EDTA and Nb–citrate complexes and they acted as the source of Na, Li and Nb, respectively. Citric acid and ethylenediaminetetraacetic acid (EDTA) were used as the chelating agents for Na, Li and Nb. The precursor gel was calcinated on a muffle furnace at 750 ℃ for one hour and this provided the ceramic structures. Composites of LNN–biopolymers were prepared by the encapsulation of the ceramic structures into the biopolymeric scaffolds. The ceramic structures and composites were characterized by FTIR, NMR, TG and SEM analysis.

Keywords

ceramic structuressol–gel chemistryencapsulationthermo gravimetric analysis (TGA)

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Journal of Advanced Ceramics
Volume 2 Issue 1,
March 2013
Pages 11-20
DOI: 10.1007/s40145-013-0035-3
Cite this article:
MATHEW TV, KURIAKOSE S. Synthesis and characterization of sodium–lithium niobate ceramic structures and their composites with biopolymers. Journal of Advanced Ceramics, 2013, 2(1): 11-20. https://doi.org/10.1007/s40145-013-0035-3

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Received: 02 October 2012
Revised: 07 December 2012
Accepted: 08 December 2012
Published: 06 April 2013
© The author(s) 2013

Open Access: This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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