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Hydrothermal Synthesis of Ni-Fe Layered Double Hydroxide with High Crystallinity Using Homogeneous Precipitation Method

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Abstract:

Ni-Fe layered double hydroxide containing carbonate anion (CO32- ) has been successfully synthesized by a process of homogeneous precipitation involving urea hydrolysis under hydrothermal conditions. Factors that influence the composition and the crystallinity degree of NiFe-LDH, such as the molar fraction of urea/NO3- in solution, the total metal ion concentration in solution and the aging time, have been investigated in detail. Structure and morphology of the sample were characterized by X-ray powder diffraction (XRD), Fourier transform infrared (FT-IR) spectra and scanning electron microscope (SEM). The results indicate NiFe-LDH with high purity present well-crystalline, uniform crystallite size

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Periodical:

Advanced Materials Research (Volumes 821-822)

Pages:

1313-1316

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.821-822.1313

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Online since:

September 2013

Authors:

Ying Chao Zhang

Keywords:

Homogeneous Precipitation, Hydrothermal Synthesis, Layered Double Hydroxides (LDHs)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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