Controlled assembly of poly(vinyl pyrrolidone) fibers through an electric-field-assisted electrospinning method |
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| Authors: | Cui Xiaojie Li Luming Xu Fu |
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| Institution: | (1) Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Nei-Li, Taoyuan, 32003, Taiwan;(2) Fuel Cells Center, Yuan Ze University, Chung-Li, Nei-Li, Taoyuan, 32003, Taiwan; |
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| Abstract: | In this paper, we develop an effective electric-field-assisted electrospinning method for the controlled deposition of poly(vinyl
pyrrolidone) fibers. The electric field distribution becomes uniform and convergent due to the introduction of a metal plate
and a focusing aid into the conventional electrospinning setup. As a result, the bending instability is suppressed and the
jet is restricted to moving to the collector along a straight line. Helical structure of fibers with lateral width of about
10 μm is formed and aligned on a rotating substrate. The morphology of helical fibers can also be effectively adjusted by
varying the collecting velocity. |
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