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Polymer nano fibers have gain much attention because of their fundamental importance in a wide range of applications such as filtration, tissue industry, medical science, drug carrier, biomedical applications and conductive yarns 1-5. Reduction of polymer fiber diameter in to nano scale gives rise to a set of desirable properties including an increase in surface-to-volume 6,7 , controlled release of drugs 8 , high anisotropic electrical conductivity 8,9 , and enhanced light scattering and photoluminescence 10. Based on earlier research results, electrostatic fiber spinning (electrospinning) is a