Abstract
In this work, Co-doped ZnO nanofibers have been fabricated successfully by an electrospinning technique. The as-prepared nanofibers are characterized by themogravimetric analysis (TG), scanning electron microscopy (SEM), transmission electron microscopy (TEM), powder X-ray diffraction (XRD), Raman spectra and photoluminescence spectroscopy (PL). Results have showed that a wurtzite ZnO nanofibers were obtained and the PL spectrum showed a red-shift by 10nm due to narrowing of the ZnO band gap (∼3.29eV) as a result of Co doping. Meanwhile, Raman scattering spectra exhibited an unusual peak at 540cm−1.
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