Enhanced piezoelectric performance from carbon fluoropolymer nanocomposites

Cary Baur; Jeffrey R. Dimaio; Elliot McAllister; Reza Hossini; Earl Wagener; John Ballato; Shashank Priya; Arthur Ballato; Dennis W. Smith

doi:10.1063/1.4768923

Enhanced piezoelectric performance from carbon fluoropolymer nanocomposites

Cary Baur, Jeffrey R. Dimaio, Elliot McAllister, Reza Hossini, Earl Wagener, John Ballato, Shashank Priya, Arthur Ballato, Dennis W. Smith

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

The piezoelectric performance of polyvinylidene fluoride (PVDF) is shown to double through the controlled incorporation of carbon nanomaterial. Specifically, PVDF composites containing carbon fullerenes (C₆₀) and single-walled carbon nanotubes (SWNT) are fabricated over a range of compositions and optimized for their Young's modulus, dielectric constant, and d₃₁ piezoelectric coefficient. Thermally stimulated current measurements show a large increase in internal charge and polarization in the composites over pure PVDF. The electromechanical coupling coefficients (k ₃₁) at optimal loading levels are found to be 1.84 and 2 times greater than pure PVDF for the PVDF-C₆₀ and PVDF-SWNT composites, respectively. Such property-enhanced nanocomposites could have significant benefit to electromechanical systems employed for structural sensing, energy scavenging, sonar, and biomedical imaging.

Original language	English (US)
Article number	124104
Journal	Journal of Applied Physics
Volume	112
Issue number	12
DOIs	https://doi.org/10.1063/1.4768923
State	Published - Dec 15 2012

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.4768923

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title = "Enhanced piezoelectric performance from carbon fluoropolymer nanocomposites",

abstract = "The piezoelectric performance of polyvinylidene fluoride (PVDF) is shown to double through the controlled incorporation of carbon nanomaterial. Specifically, PVDF composites containing carbon fullerenes (C60) and single-walled carbon nanotubes (SWNT) are fabricated over a range of compositions and optimized for their Young's modulus, dielectric constant, and d31 piezoelectric coefficient. Thermally stimulated current measurements show a large increase in internal charge and polarization in the composites over pure PVDF. The electromechanical coupling coefficients (k 31) at optimal loading levels are found to be 1.84 and 2 times greater than pure PVDF for the PVDF-C60 and PVDF-SWNT composites, respectively. Such property-enhanced nanocomposites could have significant benefit to electromechanical systems employed for structural sensing, energy scavenging, sonar, and biomedical imaging.",

author = "Cary Baur and Dimaio, {Jeffrey R.} and Elliot McAllister and Reza Hossini and Earl Wagener and John Ballato and Shashank Priya and Arthur Ballato and Smith, {Dennis W.}",

note = "Funding Information: Tetramer Technologies acknowledges support from the National Science Foundation SBRIR Phase II Award (Grant No. 0923988). We also thank the NSF I/UCRC Center for Energy Harvesting Materials & Systems (Grant No. 37155043), the Robert A. Welch Foundation (Grant AT-0041) and the National Science Foundation MWN-GOALI program.",

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doi = "10.1063/1.4768923",

language = "English (US)",

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AU - Baur, Cary

AU - Dimaio, Jeffrey R.

AU - McAllister, Elliot

AU - Hossini, Reza

AU - Wagener, Earl

AU - Ballato, John

AU - Priya, Shashank

AU - Ballato, Arthur

AU - Smith, Dennis W.

N1 - Funding Information: Tetramer Technologies acknowledges support from the National Science Foundation SBRIR Phase II Award (Grant No. 0923988). We also thank the NSF I/UCRC Center for Energy Harvesting Materials & Systems (Grant No. 37155043), the Robert A. Welch Foundation (Grant AT-0041) and the National Science Foundation MWN-GOALI program.

PY - 2012/12/15

Y1 - 2012/12/15

N2 - The piezoelectric performance of polyvinylidene fluoride (PVDF) is shown to double through the controlled incorporation of carbon nanomaterial. Specifically, PVDF composites containing carbon fullerenes (C60) and single-walled carbon nanotubes (SWNT) are fabricated over a range of compositions and optimized for their Young's modulus, dielectric constant, and d31 piezoelectric coefficient. Thermally stimulated current measurements show a large increase in internal charge and polarization in the composites over pure PVDF. The electromechanical coupling coefficients (k 31) at optimal loading levels are found to be 1.84 and 2 times greater than pure PVDF for the PVDF-C60 and PVDF-SWNT composites, respectively. Such property-enhanced nanocomposites could have significant benefit to electromechanical systems employed for structural sensing, energy scavenging, sonar, and biomedical imaging.

AB - The piezoelectric performance of polyvinylidene fluoride (PVDF) is shown to double through the controlled incorporation of carbon nanomaterial. Specifically, PVDF composites containing carbon fullerenes (C60) and single-walled carbon nanotubes (SWNT) are fabricated over a range of compositions and optimized for their Young's modulus, dielectric constant, and d31 piezoelectric coefficient. Thermally stimulated current measurements show a large increase in internal charge and polarization in the composites over pure PVDF. The electromechanical coupling coefficients (k 31) at optimal loading levels are found to be 1.84 and 2 times greater than pure PVDF for the PVDF-C60 and PVDF-SWNT composites, respectively. Such property-enhanced nanocomposites could have significant benefit to electromechanical systems employed for structural sensing, energy scavenging, sonar, and biomedical imaging.

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Enhanced piezoelectric performance from carbon fluoropolymer nanocomposites

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