Electrodynamic control of the nanofiber alignment during electrospinning

A technique is presented to electrospin straight and aligned fibers on a stationary featureless target. Two parallel rotatable plate-like auxiliary electrodes were applied with a time-varying square wave potential. Thereby, the electrospinning jet was periodically deflected between the electrodes, which led to an aligned fiber-deposition. Straight fibers were deposited at a potential difference of 11 kV and a switching frequency of 40 Hz between the auxiliary electrodes. With this setup, freely adjustable orientations can be achieved regardless of the targets design or its movement.