Multifunctional and Flexible Polymeric Nanocomposite Films with Improved Ferroelectric and Piezoelectric Properties for Energy Generation Devices

Shashikant Gupta, Ritamay Bhunia, Bushara Fatma, Deepam Maurya, Deepa Singh, Prateek, Rajeev Gupta, Shashank Priya, Raju Kumar Gupta, Ashish Garg

Research output: Contribution to journalArticle

Abstract

Conventional ceramic based piezoelectric materials are brittle, which restricts their use in energy harvesting where flexibility is required. Polymer counterparts are flexible but exhibit comparatively reduced electrical output. Here, we provide a method that overcomes these challenges through design of composites comprised of a piezoelectric polymer matrix (PVDF-TrFE) and filler nanoparticles (niobium-doped Pb(Zr,Ti)O3). Nanoparticles were functionalized with trimethoxysilylpropyl methacrylate (TMSPM) that promotes linkage between filler and the matrix to achieve effective local dipole-dipole interaction. An enhanced remnant polarization of 9.1 μC/cm2 at 100 Hz and high longitudinal piezoelectric coefficient of 101 pm/V are obtained. Using this composite, a piezoelectric nanogenerator (PENG) is demonstrated that delivers an output of 10 V in response to mechanical bending. Our composite devices show an output which is greater than 200% in comparison to polymeric PVDF-TrFE film based devices. These composites were also implemented in a triboelectric nanogenerator (TENG) device that can power 10 commercial red LEDs. This novel hybrid piezoelectric and triboelectric nanogenerator device has promise for powering wireless sensor nodes and wearable medical devices.

Original languageEnglish (US)
Pages (from-to)6364-6374
Number of pages11
JournalACS Applied Energy Materials
Volume2
Issue number9
DOIs
StatePublished - Sep 23 2019

Fingerprint

Nanocomposite films
Polymer films
Ferroelectric materials
Composite materials
Fillers
Niobium
Nanoparticles
Methacrylates
Piezoelectric materials
Energy harvesting
Polymer matrix
Sensor nodes
Light emitting diodes
Polymers
Polarization
vinylidene fluoride-trifluoroethylene copolymer

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Energy Engineering and Power Technology
  • Electrochemistry
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Gupta, Shashikant ; Bhunia, Ritamay ; Fatma, Bushara ; Maurya, Deepam ; Singh, Deepa ; Prateek ; Gupta, Rajeev ; Priya, Shashank ; Gupta, Raju Kumar ; Garg, Ashish. / Multifunctional and Flexible Polymeric Nanocomposite Films with Improved Ferroelectric and Piezoelectric Properties for Energy Generation Devices. In: ACS Applied Energy Materials. 2019 ; Vol. 2, No. 9. pp. 6364-6374.
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Multifunctional and Flexible Polymeric Nanocomposite Films with Improved Ferroelectric and Piezoelectric Properties for Energy Generation Devices. / Gupta, Shashikant; Bhunia, Ritamay; Fatma, Bushara; Maurya, Deepam; Singh, Deepa; Prateek; Gupta, Rajeev; Priya, Shashank; Gupta, Raju Kumar; Garg, Ashish.

In: ACS Applied Energy Materials, Vol. 2, No. 9, 23.09.2019, p. 6364-6374.

Research output: Contribution to journalArticle

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