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Synthesis and Characterization of Hydrotalcite like Compound via a Facile Solid State Method

Published online by Cambridge University Press:  30 June 2016

Abbas Fahami  and
Gary W. Beall
Abbas Fahami*
Affiliation:
Materials Science, Engineering and Commercialization Program, Texas State University, San Marcos TX, 78666, U.S.A.
Gary W. Beall
Affiliation:
Department of Chemistry and Biochemistry, Texas State University, 601 University Drive, San Marcos, TX, 78666, U.S.A. Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
*
*Corresponding author. Tel.: +15129600009; fax: +15122453675 E-mail address: fahami@txstate.edu.
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Abstract

Carbonate intercalated Mg-Al layered double hydroxides (Mg-Al-CO3-LDH) were successfully produced by mechanical alloying process using different starting raw chemicals. Two distinct chemical reactions were activated at different milling times. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), and transmission electron microscopy (TEM). Results revealed that the structural characteristics of Mg-Al-CO3-LDH such as lattice parameters, unit cell volume, and the interlayer spacing were affected strongly by milling time. Based on the XRD data, the formation rate of pure Hydrotalcite (HT) was strongly influenced by the chemical composition of raw materials. Electron microscopic observation displayed that the final product had a platelet-like structure with an average particle size of 20-100 nm. Therefore, the synthesis of Mg-Al-CO3-LDH via a cost-effective solid-state method owing to simplicity and reproducibility can be a promising candidate especially for use in biomaterials and catalyst industries.

Keywords

mechanical alloyingx-ray diffraction (XRD)transmission electron microscopy (TEM)
Type
Articles
Information
MRS Advances , Volume 1 , Issue 36: Soft Materials and Biomaterials , 2016 , pp. 2557 - 2562
Copyright
Copyright © Materials Research Society 2016 

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