Journal
MATERIALS LETTERS
Volume 99, Issue -, Pages 21-23Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.02.059
Keywords
Electrospinning; Uniform nanofibers; Massive production; Fiber technology; Polymers
Funding
- National Natural Science Foundation of China [51035002, 51205334]
- Natural Science Foundation of Fujian Province of China [2011J05139]
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An improved tip-less electrospinning is applied to massive production of high-quality nanofibers by utilizing a strip-distributed solution delivery method. Polyethylene oxide solution coats a metal cylinder and is distributed in several separate annular subareas. These narrow polymer strip coatings confine Taylor-cone location and regularize the electric field in longitudinal direction. This positional confinement results in uniform nanofibers and reduces irregular bead-on-string structure. Furthermore, narrowed strip coatings intensify the local electric filed on each strip coating surface in radial direction and resultantly lower the critical voltage for electrospinning. (c) 2013 Elsevier B.V. All rights reserved.
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