Journal
NANO ENERGY
Volume 11, Issue -, Pages 719-727Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2014.11.061
Keywords
BaTiO3 NPs; PVDF; p-NC; NGs
Categories
Funding
- National Major Research Program of China [2013CB932602]
- Major Project of International Cooperation and Exchanges [2012DFA50990]
- Program for New Century Excellent Talents in University [NCET-12-0777]
- Program of Introducing Talents of Discipline to Universities [B14003]
- NSFC [51172022, 51232001, 51372023, 51372020]
- Fundamental Research Funds for the Central Universities [FRF-SD-12-032A]
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Piezoelectric nanocomposites (p-NC) composed of piezoelectric nanoparticles (NPs) and flexible polymer have emerged as outstanding applications for flexible nanogenerators (NGs). In this article, we proposed a p-NC NG by combining the barium titanate nanoparticles (BaTiO3 NPs) with the poly-vinylidene fluoride (PVDF). By a facile and scalable solvent evaporation process, the BaTiO3 NPs and PVDF composite (BaTiO3 NPs @ PVDF) films were fabricated. BaTiO3 NPs dispersed uniformly in the PVDF matrix and formed an oriented structure without aggregations. By using this special oriented BaTiO3 NPs @ PVDF composite film, the highest open-circuit voltage reaches 150 V, which is one of the most outstanding output performance in the lead-free piezoelectric field to date. The energy generated from the p-NC NG can light three light-emitting diode (LED) bulbs instantaneously without any storage unit. (C) 2014 Elsevier Ltd. All rights reserved.
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