Microwave-assisted hydrothermal synthesis of coralloid nanostructured nickel hydroxide hydrate and thermal conversion to nickel oxide |
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| Authors: | Teh-Long Lai Yuan-Lung Lai Jen-Wei Yu Youn-Yuen Shu Chen-Bin Wang |
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| Affiliation: | aEnvironmental Analysis Laboratory, Department of Chemistry, National Kaohsiung Normal University, Kaohsiung 802, Taiwan, ROC;bDepartment of Mechanical and Automation Engineering, Da-Yeh University, Changhua 515, Taiwan, ROC;cDepartment of Applied Chemistry and Materials Science, Chung Cheng Institute of Technology, National Defense University, Tahsi, Taoyuan 335, Taiwan, ROC |
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| Abstract: | Coralloid nanostructured nickel hydroxide hydrate has been successfully synthesized by a simple microwave-assisted hydrothermal process using nickel sulfate hexahydrate as precursor and urea as hydrolysis-controlling agent. A pure coralloid nanostructured nickel oxide can be obtained from the nickel hydroxide hydrate after calcination at 400 °C. The thermal property, structure and morphology of samples were characterized by thermogravimetry (TG), temperature-programmed reduction (TPR), X-ray (XRD), infrared spectroscopy (IR), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). |
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| Keywords: | A. Nanostructures B. Chemical synthesis C. Electron microscopy |
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