Abstract
AbstractFe‐doped ZnO nano‐rods have been simply synthesized by a hydrolysis method. The starting Zn and Fe nano‐powders were incorporated into distilled water, and then the solution was refluxed at 60 °C for 24 h to obtain the precipitation of hydroxide gel from the hydrolysis of Zn and Fe. Finally the thermal treatment was carried out at 300 °C for 1 h. X‐ray diffraction patterns for all samples exhibited that the resultant precipitates were completely ZnO powder. The TEM result for Fe‐doped ZnO showed rod shape with diameter of 30nm and length of 300nm. With increasing Fe content up to 2 wt.%, the UV‐vis spectra were shifted to the long wave length and this result indicates that the band gap was shifted by Fe‐doping. Whereas the sample with 5wt.% Fe‐doping showed the ferromagnetic behavior at room temperature, the ferromagnetic properties disappeared at the samples with above 5 wt% Fe‐doping. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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