Electro-aerodynamic field aided needleless electrospinning

Yan, Guilong, Niu, Haitao, Zhou, Hua, Wang, Hongxia, Shao, Hao, Zhao, Xueting and Lin, Tong 2018, Electro-aerodynamic field aided needleless electrospinning, Nanotechnology, vol. 29, no. 23, doi: 10.1088/1361-6528/aab830.

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Title Electro-aerodynamic field aided needleless electrospinning
Author(s) Yan, Guilong
Niu, HaitaoORCID iD for Niu, Haitao orcid.org/0000-0002-8442-7444
Zhou, HuaORCID iD for Zhou, Hua orcid.org/0000-0002-9244-5597
Wang, Hongxia
Shao, HaoORCID iD for Shao, Hao orcid.org/0000-0001-6562-7961
Zhao, Xueting
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name Nanotechnology
Volume number 29
Issue number 23
Article ID 235302
Total pages 10
Publisher IOP Publishing
Place of publication Bristol, Eng.
Publication date 2018-06-08
ISSN 1361-6528
Keyword(s) Science & Technology
Technology
Physical Sciences
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Science & Technology - Other Topics
Materials Science
Physics
needleless electrospinning
auxiliary field
airflow
slot
nanofiber
FIBROUS POLYMER ELECTROLYTES
CONICAL WIRE COIL
NANOFIBERS
SPINNERET
Summary Auxiliary fields have been used to enhance the performance of needle electrospinning. However, much less has been reported on how auxiliary fields affect needleless electrospinning. Herein, we report a novel needleless electrospinning technique that consists of an aerodynamic field and a second electric field. The second electric field is generated by setting two grounded inductive electrodes near the spinneret. The two auxiliary fields have to be applied simultaneously to ensure working of the electrospinning process. A synergistic effect was observed between inductive electrode and airflow. The aerodynamic-electric auxiliary field was found to significantly increase fiber production rate (4.5 g h-1), by 350% in comparison to the setup without auxiliary field (1.0 g h-1), whereas it had little effect on fiber diameter. The auxiliary fields allow running needleless electrospinning at an applied voltage equivalent to that in needle electrospinning (e.g. 10-30 kV). The finite element analyses of electric field and airflow field verify that the inductive electrodes increase electric field strength near the spinneret, and the airflow assists in fiber deposition. This novel needleless electrospinning may be useful for development of high-efficiency, low energy-consumption nanofiber production systems.
Language eng
DOI 10.1088/1361-6528/aab830
Field of Research MD Multidisciplinary
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, IOP Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30111152

Document type: Journal Article
Collections: Institute for Frontier Materials
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