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Journal of Materials Science

, Volume 52, Issue 4, pp 1823–1830 | Cite as

Needle-disk electrospinning inspired by natural point discharge

  • Zhi Liu
  • Koon Keong Jeremy Ang
  • Jihuan HeEmail author
Original Paper

Abstract

Point discharge is a natural phenomenon which principle and application are both under active investigation. In this work, a needle-disk electrode spinneret was designed through the combination of the point discharge concept and the merits of typical needleless electrospinning (disk as spinneret). The desired outcome for point electrode system is to produce a controllable process of jet formation, with respect to the control of jet site and amount of jets under a lower applied voltage value. Two comparisons were used: (i) in comparison to the typical needleless electrospinning method (disk electrospinning), the needle-disk electrospinning produce finer and more uniform nanofibers. Further numerical simulation results confirmed that the needle-disk electrode induced electric field intensity which is 5.33 times higher than that of disk electrode under the same parameters; (ii) both the numerical simulation and experimental results showed that needle-disk electrospinning can produce competitive quality of nanofibers accompanied by enhanced throughput, compared with the traditional single-needle electrospinning method. Finally, we demonstrate that needle-disk electrospinning produces nanofiber with super-high throughput of 13.5 g/h, which is 183 times higher than traditional electrospinning under similar spinning conditions.

Notes

Acknowledgements

This work was supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) and National Natural Science Foundation of China under Grant No. 11372205. We also like to acknowledge China Scholarship Council for the support and Dr. Darren Sun Delai for helpful remarks.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.National Engineering Laboratory for Modern Silk, College of Textile and Clothing EngineeringSoochow UniversitySuzhouChina
  2. 2.Nantong Textile InstituteSoochow UniversityNantongChina
  3. 3.School of Civil and Environmental EngineeringNanyang Technological UniversitySingaporeSingapore

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