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Polymeric Nanofibers with Ultrahigh Piezoelectricity via Self-Orientation of Nanocrystals
Abstract
Piezoelectricity in macromolecule polymers has been gaining immense attention, particularly for applications in biocompatible, implantable, and flexible electronic devices. This paper introduces core–shell-structured piezoelectric polyvinylidene fluoride (PVDF) nanofibers chemically wrapped by graphene oxide (GO) lamellae (PVDF/GO nanofibers), in which the polar β-phase nanocrystals are formed and uniaxially self-oriented by the synergistic effect of mechanical stretching, high-voltage alignment, and chemical interactions. The β-phase orientation of the PVDF/GO nanofibers along their axes is observed at atomic scale through high resolution transmission electron microscopy, and the β-phase content is found to be 88.5%. The piezoelectric properties of the PVDF/GO nanofibers are investigated in terms of piezoresponse mapping, local hysteresis loops, and polarization reversal by advanced piezoresponse force microscopy. The PVDF/GO nanofibers show a desirable out-of-plane piezoelectric constant ( d 33 ) of −93.75 pm V –1 (at 1.0 wt % GO addition), which is 426% higher than that of the conventional pure PVDF nanofibers. The mechanism behind this dramatic enhancement in piezoelectricity is elucidated by three-dimensional molecular modeling.
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Cites
Persano, L., Dagdeviren, C., Su, Y., Zhang, Y., Girardo, S., Pisignano, D., Huang, Y., & Rogers, J. A. (2013) · Nature Communications · doi:10.1038/ncomms2639 · Cited by 1,271
Cited by
Shi, K., Sun, B., Huang, X., & Jiang, P. (2018) · Nano Energy · doi:10.1016/j.nanoen.2018.07.053 · Cited by 517
Piezoelectric materials as stimulatory biomedical materials and scaffolds for bone repair
Tandon, B., Blaker, J. J., & Cartmell, S. H. (2018) · Acta Biomaterialia · doi:10.1016/j.actbio.2018.04.026 · Cited by 420
Boosting piezoelectric response of PVDF-TrFE via MXene for self-powered linear pressure sensor
Wang, S., Shao, H.-Q., Liu, Y., Tang, C.-Y., Zhao, X., Ke, K., Bao, R.-Y., Yang, M.-B., & Yang, W. (2021) · Composites Science and Technology · doi:10.1016/j.compscitech.2020.108600 · Cited by 359
Surmenev, R. A., Orlova, T., Chernozem, R. V., Ivanova, A. A., Bartasyte, A., Mathur, S., & Surmeneva, M. A. (2019) · Nano Energy · doi:10.1016/j.nanoen.2019.04.090 · Cited by 357
Metadata
- Authors
- Liu, X., Ma, J., Wu, X., Lin, L., & Wang, X.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-01-25
- Volume
- 11
- Issue
- 2
- Pages
- 1901-1910
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2574139047
- Cited by
- 211
- References
- 1
- FWCI
- 6.17
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, X., Ma, J., Wu, X., Lin, L., & Wang, X. (2017). Polymeric Nanofibers with Ultrahigh Piezoelectricity via Self-Orientation of Nanocrystals. ACS Nano. https://doi.org/10.1021/acsnano.6b07961
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