Investigation On The Effects Of Electrospinning Distance And Applied Voltage On Morphology Of Poly (Lactic Acid) Electrospun Nanofibres

Abdullah, Nur Fatin Hanani (2019) Investigation On The Effects Of Electrospinning Distance And Applied Voltage On Morphology Of Poly (Lactic Acid) Electrospun Nanofibres. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Nanofibres are popular and have been subject of research study recent years. The special characteristic which are have small diameter with large surface area to volume ratio rather than human hair. Nanofibres have been developed in many applications such as filtration, biomedical, electronic and tissue engineering. Recent years, the electrospinning method which is simple and cost friendly was popular to produce nanofibres among researchers. In electrospinning process, the applied voltage and electrospinning distance are the two most important parameters that affect the quality of the fibres. In this study, these two parameters were studied. The effect of the solution concentrations on morphology electrospun nanofibres also have been studied in this research. Poly (lactic acid) electrospun fibres were produced using electrospinning technique. The morphology and fibre diameter of the fibres were examined using scanning electron microscopy and ImageJ. From the results, fibre diameter increased when electrospinning distance and applied voltage increased. The fibres diameter also increased as the concentration of the polymer solution increased. The best electrospinning parameters were 15 kV of applied voltage and 10 cm of electrospinning distance. The fine, smooth, defect free and homogenous size nanofibres also produced with best parameters

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