Preparation and Characterization of NiO Nanowires via Single-Phase Precipitation


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NiO nanowires have been synthesized at the water bath via single-phase precipitation, using NiSO4·6H2O as nickel salts, NH3·H2O and H2C2O4·2H2O as precipitation agents and H2O as solvent. It has been measured by DSG/TG, X-ray diffiration (XRD) and scanning electron microscope (SEM). The results of the DSC/TG show that the precursor is completely decomposed under 400°C. The results of the XRD show that NiO nanowires are cube crystal structure. The diffraction peaks are in 37.3°, 43.3° and 62.9°, which are consistent with normal pattern. The optimum parameters are detemined in this system as: pH values of solution 8.0, reaction temperature 60°C, roasting temperature 400°C. The length-radius proportion of NiO nanowires prepared is greater than 20 under optimum conditions.



Edited by:

David M. Batisdas and Y.Q. Chang




F. L. Zhu and Y. S. Meng, "Preparation and Characterization of NiO Nanowires via Single-Phase Precipitation", Advanced Materials Research, Vol. 668, pp. 331-334, 2013

Online since:

March 2013




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