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Fe Doped-ZnO Nanofibers Synthesized by Electrospinning

ZnO semiconductor, with a 3.37 eV band gap, has proven to be a useful and promising material for electronic and optical applications, specially, in the nanotechnology area. However, doped ZnO with transition metals offers more scientific and technological possibilities, such as diluted magnetic semiconductors or to modify its optical and electrical properties with metals as Al and Ga [1]. ZnO, in nanoscience, has been studied in many different ways, such as films, nanoparticles, nano-rods, nanotubes and recently nanofibers. ZnO nanofibers have showed an excellent surface/volume relation, flexibility, easy to produce, etc. The synthesis of Fe doped ZnO nanofibers has been accomplished by A. Baranowska-Korczyc et al [2]. They reported a method to synthesize it, using as precursors zinc acetate (C4H6O4Zn_2H2O, CHEMPUR) and iron acetate(CH3CO2)2Fe. In addition, they dissolved poly(vinylalcohol)(PVA) in distilled water. Both solutions were mixed and processed in an electrospinning equipment to perform the nanofiber synthesis. There are many techniques to produce nanofibers, but most authors agree that the electrospinning technique has shown to be easier, more versatile and more efficient than others.