Hydrothermal Synthesis of Walnut-Like α-Ni(OH)2 Architectures and their In Situ Thermal Convention to NiO

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Abstract:

The walnut-like α-Ni (OH)2 architectures have been successfully synthesized through a microwave-assisted hydrothermal method using urea as a hydrolysis-controlling agent and polyethylene glycol (PEG) as a surfactant. The NiO architectures with similar morphology were obtained by a simple thermal decomposition process of the precursor α-Ni (OH)2. The as-obtained products were well characterized by XRD, SEM, TEM, and FTIR. The experimental results shown that walnut-like α-Ni (OH)2 architectures with a diameter of 2-6 μm. The formation process of Ni (OH)2 architectures was observed by SEM via different hydrothermal reaction times.

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44-48

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November 2011

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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