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Peroxide-based route assisted with inverse microemulsion process to well-dispersed Bi4Ti3O12 nanocrystals

Hou, Jungang and Qu, Yuanfang and Krsmanovic, Dalibor and Kumar, R. V. (2010) Peroxide-based route assisted with inverse microemulsion process to well-dispersed Bi4Ti3O12 nanocrystals. Journal of Nanoparticle Research, 12 (5). pp. 1797-1805.

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Abstract

Well-dispersed bismuth titanate (BIT) nanocrystals with an average size ranged from 3 to 60 nm were synthesized via a peroxide-based route assisted with an inverse microemulsion process. The crystallite size and lattice parameter of BIT upon variable-temperature were determined by X-ray diffraction (XRD). The particle size was confirmed by transmission electron microscopy (TEM). Thermal decomposition behaviour of Ti-peroxy and BIT gel and crystallization kinetics of BIT nanocrystals were investigated by differential scanning calorimetry/thermogravimetry (DSC/TG) and Fourier-Transform infrared spectroscopy (FTIR). Analysis of nonisothermal DSC data yielded a value of 220.84 ± 2.73 KJ/mol and 2.25 ± 0.26 for the activation energy of crystallization (E a) and the Avrami exponent (n), respectively.

Item Type:Article
Uncontrolled Keywords:Bismuth titanate - Nanocrystals - Peroxide - Microemulsion - Crystallization
Subjects:Material Science > Nanofabrication processes and tools
ID Code:9255
Deposited By:SPI
Deposited On:08 Jun 2010 17:51
Last Modified:08 Jun 2010 17:51

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