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Polymer nanofibers prepared by low-voltage near-field electrospinning |
| Zheng Jie(郑杰)a), Long Yun-Ze(龙云泽)a)b)†, Sun Bin(孙彬)a), Zhang Zhi-Hua(张志华)a), Shao Feng(邵峰)a), Zhang Hong-Di(张红娣)a), Zhang Zhi-Ming(张志明)c), and Huang Jia-Yin(黄家寅)a)‡ |
a. College of Physics Science, Qingdao University, Qingdao 266071, China;
b. State Key Laboratory Cultivation Base of New Fiber Materials and Modern Textile, Qingdao University, Qingdao 266071, China;
c. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China |
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Abstract Electrospinning is a straightforward method to produce micro/nanoscale fibers from polymer solutions typically using an operating voltage of 10 kV-30 kV and spinning distance of 10 cm-20 cm. In this paper, polyvinyl pyrrolidone (PVP) non-woven nanofibers with diameters of 200 nm-900 nm were prepared by low-voltage near-field electrospinning with a working voltage of less than 2.8 kV and a spinning distance of less than 10 mm. Besides the uniform fibers, beaded-fibers were also fabricated and the formation mechanism was discussed. Particularly, a series of experiments were carried out to explore the influence of processing variables on the formation of near-field electrospun PVP nanofibers, including concentration, humidity, collecting position, and spinning distance.
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Received: 28 December 2011
Revised: 10 January 2012
Accepted manuscript online:
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PACS:
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81.07.-b
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(Nanoscale materials and structures: fabrication and characterization)
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81.07.Gf
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(Nanowires)
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81.16.-c
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(Methods of micro- and nanofabrication and processing)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11074138, 11004114, and 50973098), the Natural Science Foundation of Shandong Province for Distinguished Young Scholars (Grant No. JQ201103), and the National Key Basic Research Development Program of China (Grant No. 2012CB722705). |
Corresponding Authors:
Long Yun-Ze,yunze.long@163.com;Huang Jia-Yin,wlxhuang@163.com
E-mail: yunze.long@163.com;wlxhuang@163.com
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Cite this article:
Zheng Jie(郑杰), Long Yun-Ze(龙云泽), Sun Bin(孙彬), Zhang Zhi-Hua(张志华), Shao Feng(邵峰), Zhang Hong-Di(张红娣), Zhang Zhi-Ming(张志明), and Huang Jia-Yin(黄家寅) Polymer nanofibers prepared by low-voltage near-field electrospinning 2012 Chin. Phys. B 21 048102
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