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Fabrication of nanofibrous mats with uniform thickness and fiber density

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Title
Fabrication of nanofibrous mats with uniform thickness and fiber density
Author
Lee, JongwanJeong, Young HunCho, Dong-Woo
Keywords
Direct-write electrospinning; Geometric uniformity; Nanofibers; Nanofibrous mat
Issue Date
201409
Publisher
WILEY-V C H VERLAG GMBH
Citation
MACROMOLECULAR MATERIALS AND ENGINEERING, v.299, no.9, pp.1052 - 1061
Abstract
Because of their unique advantages, non-woven nanofibrous mats are now being widely used in various fields. Accordingly, a variety of fabrication techniques have been proposed for manufacturing these mats. Electrospinning has emerged as one of the most popular methods for fabricating nanofibers. However, the whipping motion of the electrospinning jet of conventional electrospinning imposes a knotty limitation on the geometric control. Thus, when nanofibrous mats are fabricated via electrospinning, geometric uniformity cannot be assured, and this can significantly affect the performance, quality, and reliability of their applications. In this study, a direct-write electrospinning-based fabrication method for nanofibrous mats that provides greater overall thickness and fiber-density uniformity is proposed. Various nanofibrous mats fabricated via the proposed method are presented, and their morphological and mechanical properties are experimentally investigated. The fabricated nanofibrous mats exhibit better thickness and fiber-density uniformity, and their mechanical properties are controllable.
URI
http://scholarworks.unist.ac.kr/handle/201301/4231
DOI
http://dx.doi.org/10.1002/mame.201300390
ISSN
1438-7492
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