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Robust mechanical-to-electrical energy conversion from short-distance electrospun poly(vinylidene fluoride) fiber webs

Shao, Hao, Fang, Jian, Wang, Hongxia, Lang, Chen hong and Lin, Tong 2015, Robust mechanical-to-electrical energy conversion from short-distance electrospun poly(vinylidene fluoride) fiber webs, ACS applied materials and interfaces, vol. 7, no. 40, pp. 22551-22557, doi: 10.1021/acsami.5b06863.

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Title Robust mechanical-to-electrical energy conversion from short-distance electrospun poly(vinylidene fluoride) fiber webs
Author(s) Shao, Hao
Fang, Jian
Wang, Hongxia
Lang, Chen hong
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name ACS applied materials and interfaces
Volume number 7
Issue number 40
Start page 22551
End page 22557
Total pages 7
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2015-10-14
ISSN 1944-8252
Keyword(s) PVDF
electrospinning
interfiber connection
nanofiber
piezoelectric
Science & Technology
Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
NANOGENERATOR
PARAMETERS
DEVICES
TENSILE
PHASES
FILMS
Summary Electrospun polyvinylidene fluoride (PVDF) nanofiber webs have shown great potential in making mechanical-to-electrical energy conversion devices. Previously, polyvinylidene fluoride (PVDF) nanofibers were produced either using near-field electrospinning (spinning distance < 1 cm) or conventional electrospinning (spinning distance > 8 cm). PVDF fibers produced by an electrospinning at a spinning distance between 1 and 8 cm (referred to as "short-distance" electrospinning in this paper) has received little attention. In this study, we have found that PVDF electrospun in such a distance range can still be fibers, although interfiber connection is formed throughout the web. The interconnected PVDF fibers can have a comparable β crystal phase content and mechanical-to-electrical energy conversion property to those produced by conventional electrospinning. However, the interfiber connection was found to considerably stabilize the fibrous structure during repeated compression and decompression for electrical conversion. More interestingly, the short-distance electrospun PVDF fiber webs have higher delamination resistance and tensile strength than those of PVDF nanofiber webs produced by conventional electrospinning. Short-distance electrospun PVDF nanofibers could be more suitable for the development of robust energy harvesters than conventionally electrospun PVDF nanofibers.
Language eng
DOI 10.1021/acsami.5b06863
Field of Research 030599 Organic Chemistry not elsewhere classified
029999 Physical Sciences not elsewhere classified
0904 Chemical Engineering
0303 Macromolecular And Materials Chemistry
0306 Physical Chemistry (Incl. Structural)
Socio Economic Objective 850599 Renewable Energy not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30079881

Document type: Journal Article
Collection: Institute for Frontier Materials
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Created: Fri, 27 Nov 2015, 10:40:46 EST

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