Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting

Harstad, Shane; D’Souza, Noel; Soin, Navneet; El-Gendy, Ahmed A.; Gupta, Shalabh; Pecharsky, Vitalij K.; Shah, Tahir; Siores, Elias; Hadimani, Ravi L.

doi:10.1063/1.4973596

Title: Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting

Abstract

Self-polarized Gd5Si4-polyvinylidene fluoride (PVDF) nanocomposite films have been synthesized via a facile phase-inversion technique. For the 5 wt% Gd₅Si₄-PVDF films, the enhancement of the piezoelectric β-phase and crystallinity are confirmed using Fourier transform infrared (FTIR) spectroscopy (phase fraction, FβFβ, of 81% as compared to 49% for pristine PVDF) and differential scanning calorimetry (crystallinity, ΔXcΔXc, of 58% as compared to 46% for pristine PVDF), respectively. The Gd5Si4 magnetic nanoparticles, prepared using high-energy ball milling were characterized using Dynamic Light Scattering and Vibrating Sample Magnetometry (VSM) to reveal a particle size of ~470 nm with a high magnetization of 11 emu/g. The VSM analysis of free-standing Gd5Si4-PVDF films revealed that while the pristine PVDF membrane shows weak diamagnetic behavior, the Gd5Si4-PVDF films loaded at 2.5 wt% and 5 wt% Gd₅Si₄ show enhanced ferromagnetic behavior with paramagnetic contribution from Gd5Si3 phase. The interfacial interactions between Gd5Si4 and PVDF results in the preferential crystallization of the β-phase as confirmed via the shift in the CH₂ asymmetric and symmetric stretching vibrations in the FTIR. These results confirm the magnetic Gd₅Si₄ nanoparticles embedded in the PVDF membrane lead to an increased β-phase fraction, which paves the way for future efficient energy harvesting applications using a combinationmore » of magnetic and piezoelectric effects.« less

Authors:

Harstad, Shane ^[1]; D’Souza, Noel ^[1]; Soin, Navneet ^[2]; El-Gendy, Ahmed A. ^[3]; Gupta, Shalabh ^[4]; Pecharsky, Vitalij K. ^[5]; Shah, Tahir ^[2]; Siores, Elias ^[2]; Hadimani, Ravi L. ^[1]

Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, USA
Institute of Renewable Energy & Environment Technology, University of Bolton, Deane Road, Bolton BL3 5AB, United Kingdom
Department of Mechanical and Nuclear Engineering, Virginia Commonwealth University, Richmond, Virginia 23284, USA, Nanotechnology and Nanometrology Laboratory, National Institute for Standards (NIS), Giza 12211, Egypt
Division of Materials Science and Engineering, Ames Laboratory, US Dept. of Energy, Ames, Iowa 50011-3020, USA
Division of Materials Science and Engineering, Ames Laboratory, US Dept. of Energy, Ames, Iowa 50011-3020, USA, Department of Materials Science and Engineering, Iowa State University, Ames, Iowa 50011-2030, USA

Publication Date:: Wed Jan 04 00:00:00 EST 2017

Research Org.:: Ames Lab., Ames, IA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1349324

Alternate Identifier(s):: OSTI ID: 1368050; OSTI ID: 1421284

Report Number(s):: IS-J 9345
Journal ID: ISSN 2158-3226; AAIDBI; 10.1063/1.4973596

Grant/Contract Number:: AC02-07CH11358

Resource Type:: Published Article

Journal Name:: AIP Advances

Additional Journal Information:: Journal Name: AIP Advances Journal Volume: 7 Journal Issue: 5; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics

Country of Publication:: United States

Language:: English

Subject:: 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats


                    Harstad, Shane, D’Souza, Noel, Soin, Navneet, El-Gendy, Ahmed A., Gupta, Shalabh, Pecharsky, Vitalij K., Shah, Tahir, Siores, Elias, and Hadimani, Ravi L. Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting.  United States: N. p., 2017. 
Web.  doi:10.1063/1.4973596.

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                    Harstad, Shane, D’Souza, Noel, Soin, Navneet, El-Gendy, Ahmed A., Gupta, Shalabh, Pecharsky, Vitalij K., Shah, Tahir, Siores, Elias, & Hadimani, Ravi L. Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting.  United States.  https://doi.org/10.1063/1.4973596

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                    Harstad, Shane, D’Souza, Noel, Soin, Navneet, El-Gendy, Ahmed A., Gupta, Shalabh, Pecharsky, Vitalij K., Shah, Tahir, Siores, Elias, and Hadimani, Ravi L. Wed .  
"Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting".  United States.  https://doi.org/10.1063/1.4973596.

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@article{osti_1349324,

  title        = {Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting},

  author       = {Harstad, Shane and D’Souza, Noel and Soin, Navneet and El-Gendy, Ahmed A. and Gupta, Shalabh and Pecharsky, Vitalij K. and Shah, Tahir and Siores, Elias and Hadimani, Ravi L.},

  abstractNote = {Self-polarized Gd5Si4-polyvinylidene fluoride (PVDF) nanocomposite films have been synthesized via a facile phase-inversion technique. For the 5 wt% Gd5Si4-PVDF films, the enhancement of the piezoelectric β-phase and crystallinity are confirmed using Fourier transform infrared (FTIR) spectroscopy (phase fraction, FβFβ, of 81% as compared to 49% for pristine PVDF) and differential scanning calorimetry (crystallinity, ΔXcΔXc, of 58% as compared to 46% for pristine PVDF), respectively. The Gd5Si4 magnetic nanoparticles, prepared using high-energy ball milling were characterized using Dynamic Light Scattering and Vibrating Sample Magnetometry (VSM) to reveal a particle size of ~470 nm with a high magnetization of 11 emu/g. The VSM analysis of free-standing Gd5Si4-PVDF films revealed that while the pristine PVDF membrane shows weak diamagnetic behavior, the Gd5Si4-PVDF films loaded at 2.5 wt% and 5 wt% Gd5Si4 show enhanced ferromagnetic behavior with paramagnetic contribution from Gd5Si3 phase. The interfacial interactions between Gd5Si4 and PVDF results in the preferential crystallization of the β-phase as confirmed via the shift in the CH2 asymmetric and symmetric stretching vibrations in the FTIR. These results confirm the magnetic Gd5Si4 nanoparticles embedded in the PVDF membrane lead to an increased β-phase fraction, which paves the way for future efficient energy harvesting applications using a combination of magnetic and piezoelectric effects.},

  doi          = {10.1063/1.4973596},

  journal      = {AIP Advances},

  number       = 5,

  volume       = 7,

  place        = {United States},

  year         = {Wed Jan 04 00:00:00 EST 2017},

  month        = {Wed Jan 04 00:00:00 EST 2017}

}

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Works referencing / citing this record:

Multicaloric effect in a multiferroic composite of Gd5(Si,Ge)4 microparticles embedded into a ferroelectric PVDF matrix
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Title: Enhancement of 𝜷-phase in PVDF films embedded with ferromagnetic Gd5Si4 nanoparticles for piezoelectric energy harvesting

Abstract

Citation Formats

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