INFLUENCE OPTICAL, STRUCTURAL AND EXTERNAL MORPHOLOGICAL PROPERTY OF FE SUBSTITUTED IN ZNO THIN FILMS.
Journal Title: International Journal of Advanced Research (IJAR) - Year 2018, Vol 6, Issue 10
Abstract
Fe doped ZnOthin films with different Fe concentrations have been deposited by Sol-gel method. X-ray diffraction (XRD) confirmed that hexagonal wurtzite structure in all samples. However, the preferential orientation changed from (002) to (101) plane with increase of Fe-doping. Unit cell parameters, ?a? and ?c?, reduced with the enhancing the Fe content up to 5%, which indicated that Fe ions substitute into the lattice of zno. The Raman spectroscopy measurement showed the peaks at 377.33 cm-1, 439.14 cm-1 and 538.76 cm-1 which are the characteristic vibrational modes of zno. The scanning electron microscopic (SEM) images showed irregular shaped grains grown over the substrate surface for pure zno. After Fe doped zno thin films exhibits the spherical and hexagonal structure. UV-Vis spectra of show the decrement the band gap up to 3.18 to 2.92 eVafter the enhancing the Fe concentration.
Authors and Affiliations
R. T. Ubale, S. B. Bajaj.
Keywords
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- EP ID EP410298
- DOI 10.21474/IJAR01/7937
- Views 72
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