Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 9, Pages 11045-11054Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b23480
Keywords
piezoelectric nanogenerators; flexible; poly(vinylidene fluoride); composition gradient; nanocomposites
Funding
- National Natural Science Foundation of China [51905149, 51875277]
- Nantong Science and technology Bureau [JC2019003]
- Research Fund of State Key Laboratory of Mechanics and Control of Mechanical Structures [MCMS-0518Y01, MCMS-I-0518K01]
- Major State Basic Research Development Program of China (973 Program) [2015CB057501]
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Recently, flexible energy generators with good performance have trigged enormous interest because of their great potential application in developing full flexible self-powered electronics. Herein, we reported a flexible high-performance piezoelectric nanogenerator (PNG) based on composition-gradient multilayered poly(vinylidene fluoride) (PVDF) nanocomposites wherein a novel three-dimensional (3D) carbon-based nanoparticle was employed as the nanofiller. Making use of this novel 3D nanofiller and composition-gradient concept, one can efficiently promote the interfacial coupling effect and induce internal strain inside the PVDF matrix, contributing to dramatically improved piezoelectricity and consequently output performance for PNG. With the excellent output ability, the PNG also demonstrated to be capable of operating in both d(33) and d(31) modes and possesses high stability as well as durability, confirming its applicability as green power source for full flexible electronic systems.
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