Improved energy harvesting capability of poly(vinylidene fluoride) films modified by reduced graphene oxide

Wu, Liangke, Alamusi, Xue, Junmin, Itoi, Takaomi, Hu, Ning, Li, Yuan, Yan, Cheng, Qiu, Jianhui, Ning, Huiming, Yuan, Weifeng, & Gu, Bin (2014) Improved energy harvesting capability of poly(vinylidene fluoride) films modified by reduced graphene oxide. Journal of Intelligent Materials Systems and Structures, 25(14), pp. 1813-1824.


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Piezoelectric energy harvesters can be used to convert ambient energy into electrical energy and power small autonomous devices. In recent years, massive effort has been made to improve the energy harvesting ability in piezoelectric materials. In this study, reduced graphene oxide was added into poly(vinylidene fluoride) to fabricate the piezoelectric nanocomposite films. Open-circuit voltage and electrical power harvesting experiments showed remarkable enhancement in the piezoelectricity of the fabricated poly(vinylidene fluoride)/reduced graphene oxide nanocomposite, especially at an optimal reduced graphene oxide content of 0.05 wt%. Compared to pristine poly(vinylidene fluoride) films, the open-circuit voltage, the density of harvested power of alternating current, and direct current of the poly(vinylidene fluoride)/reduced graphene oxide nanocomposite films increased by 105%, 153%, and 233%, respectively, indicating a great potential for a broad range of applications.

Impact and interest:

7 citations in Scopus
5 citations in Web of Science®
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ID Code: 75011
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Energy harvesting, piezoelectric nanocomposite, reduced graphene oxide, self-powered devices
DOI: 10.1177/1045389X14529609
ISSN: 1530-8138
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Composite and Hybrid Materials (091202)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 The Authors
Deposited On: 14 Aug 2014 03:56
Last Modified: 25 Feb 2015 02:02

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