Effect of optimization parameters on the diameter of PVP fibers fabricated by electrospinning technique

Electrospinning is a versatile method to produce fibers to obtain sub-micron range structures. In this present work, we fabricated PVP fibers by electrospinning technique. Various experimental parameters such as distance between the tip and collector, voltage applied, flow rate have been optimized and the effect of these experimental parameters on the diameter of the fibers is studied using a high resolution optical microscope. For a flow rate of 0.5 ml/h, voltage of 25 kV, tip to collector distance of 12 cm and 10% polymer concentration, the fibers obtained were uniform with a diameter of 520 nm.