Abstract
In this study a newly laser treatment method for surface modification of nanofibers is introduced. The new method is based on different infrared absorption of materials. Surface modification of Clay-PAN composite nanofibers was performed using selective laser etching approach with CO2 pulsed laser in order to increase surface area of nanofibers. The surface structure of resulted nanofibers is characterized using field emission scanning electron microscope and the results show characteristic modification of the surface topography of laser treated nanofibers. The modified surface structure of nanofibers was studied and analyzed for different laser pulse numbers and laser fluence. The results show that nanofiber surface modification strongly depends on the number of CO2 laser pulses and frequency of modified sites on the surface of nanofibers increasing with increasing the pulse fluence. This new technique is highly selective and can also compete with conventional techniques for nanofibers surface modification.
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