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Morphological changes towards enhancing piezoelectric properties of PVDF electrical generators using cellulose nanocrystals

Fashandi, Hossein, Abolhasani, Mohammad Mahdi, Sandoghdar, Parastoo, Zohdi, Nima, Li, Quanxiang and Naebe, Minoo 2016, Morphological changes towards enhancing piezoelectric properties of PVDF electrical generators using cellulose nanocrystals, Cellulose, vol. 23, no. 6, pp. 3625-3637, doi: 10.1007/s10570-016-1070-3.

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Title Morphological changes towards enhancing piezoelectric properties of PVDF electrical generators using cellulose nanocrystals
Author(s) Fashandi, Hossein
Abolhasani, Mohammad Mahdi
Sandoghdar, Parastoo
Zohdi, Nima
Li, Quanxiang
Naebe, Minoo
Journal name Cellulose
Volume number 23
Issue number 6
Start page 3625
End page 3637
Total pages 13
Publisher Springer
Place of publication Dordecht, The Netherlands
Publication date 2016-12
ISSN 0969-0239
1572-882X
Keyword(s) Science & Technology
Technology
Physical Sciences
Materials Science, Paper & Wood
Materials Science, Textiles
Polymer Science
Materials Science
PVDF
Cellulose nanocrystal
Electrospinning
Nanocomposite
Electrical power generator
Energy harvesting
Piezoelectricity
Summary For the first time, a nanocomposite of poly(vinylidene fluoride)/cellulose nanocrystal (PVDF/CNC) is developed as a piezoelectric energy harvester. This is implemented through electrospinning of PVDF solutions containing different levels of CNC loading, i.e., 0, 1, 3 and 5 % with respect to PVDF weight. Analytical techniques including DSC, FTIR and WAXD are conducted to monitor the polymorphism evolution within electrospun nanocomposites as the CNC content is varied. The results imply that CNCs at the optimum concentration (3 and 5 %) can effectively nucleate β crystalline phases. The nucleation of α crystalline phases is also prevented when CNCs are present within the structure of PVDF electrospun fibers. These changes in polymorphism give PVDF/CNC nanocomposites enhanced piezoelectric characteristics compared to pure PVDF nanofibers. We have demonstrated that the developed nanocomposites can charge a 33-μF capacitor over 6 V and light up a commercial LED for more than 30 s. It is envisaged that the PVDF/CNC nanocomposites provide the opportunity for the development of efficient electrical generators as self-powering devices to charge portable electronics.
Language eng
DOI 10.1007/s10570-016-1070-3
Field of Research 099999 Engineering not elsewhere classified
0303 Macromolecular And Materials Chemistry
0912 Materials Engineering
Socio Economic Objective 0 Not Applicable
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Springer Science+Business Media Dordrecht
Persistent URL http://hdl.handle.net/10536/DRO/DU:30089953

Document type: Journal Article
Collection: Institute for Frontier Materials
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