ZnO nanofiller concentrations modified P(VDF-HFP)/PEO polymer matrix-based nanocomposites of enhanced optical and dielectric properties for emerging optoelectronic and energy storage devices

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 46, P. 103945 - 103945

Published: Jan. 20, 2024

Language: Английский

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Composition controllable multifunctionality of PVDF/PMMA/BaTiO3/OMMT based ternary and quaternary hybrid polymer nanocomposites

Chemical Physics Impact, Journal Year: 2023, Volume and Issue: 7, P. 100281 - 100281

Published: July 30, 2023

State-of-the-art engineered multifunctional nanocomposites composed of different polymer matrices and functional nanomaterials are in high industrial demand for advances all-solid-state flexible device technologies. Within this framework, the host poly(vinylidene fluoride) (PVDF) its blend with poly(methyl methacrylate) (PMMA), barium titanate (BaTiO3) organo-modified montmorillonite (OMMT) clay mixed nanomaterial dispersed ternary PVDF/x wt% (BaTiO3+OMMT) quaternary (PVDF+PMMA)/x hybrid (HPNCs) prepared through ultrasonicated homogenized solution casting method. The XRD patterns FTIR transmittance spectra confirmed composition dependent crystal phases PVDF heterogeneous polymer-polymer polymer-nanomaterial interactions these HPNC materials. DSC measurements explained a huge alteration crystallite melting temperatures also degree crystallinity UV-Vis absorbance materials depends strongly on their design demonstrated dual energy band gaps attributed to nanofillers. dielectric permittivity dispersion broadband frequency range 20 Hz − 1 GHz explains contribution several polarizations relaxation processes complex composites, at 27 °C. Appreciably (4 7) MHz low ultra radio frequencies promising nanodielectric characteristics interesting structure-property relationship, tunable gaps, wide permittivity, electrical conductivity revealed usefulness HPNCs making flexible-type innovative optoelectronic, capacitive storage, microelectronic devices.

Language: Английский

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Optical characterization of PVDF/PMMA/OMMT hybrid polymer nanocomposite films for futuristic optoelectronic devices

Optik, Journal Year: 2023, Volume and Issue: 287, P. 171163 - 171163

Published: July 13, 2023

Language: Английский

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Energy Storage Performance of Polymer-Based Dielectric Composites with Two-Dimensional Fillers

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(21), P. 2842 - 2842

Published: Oct. 26, 2023

Dielectric capacitors have garnered significant attention in recent decades for their wide range of uses contemporary electronic and electrical power systems. The integration a high breakdown field polymer matrix with various types fillers dielectric nanocomposites has attracted from both academic commercial sectors. energy storage performance is influenced by essential factors, such as the choice matrix, filler type, morphologies, interfacial engineering, composite structure. However, application limited large amount content, low densities, low-temperature tolerance. Very recently, utilization two-dimensional (2D) materials become prevalent across several disciplines due to exceptional thermal, electrical, mechanical characteristics. Compared zero-dimensional (0D) one-dimensional (1D) fillers, are more effective enhancing properties polymer-based composites. present review provides comprehensive overview 2D filler-based composites, encompassing ceramics, metal oxides, carbon compounds, MXenes, clays, boron nitride, others. In general sense, incorporation into nanocomposite dielectrics can result enhancement capability, even at concentrations. current challenges future perspectives also discussed.

Language: Английский

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Synergistic effect of polymer blend compositions on the structural, thermal, optical, and broadband dielectric properties of P(VDF-HFP)/PEO/ZnO polymer nanocomposites

Chemical Physics Impact, Journal Year: 2023, Volume and Issue: 8, P. 100410 - 100410

Published: Dec. 3, 2023

Polymer nanocomposites (PNCs) composed of poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP))/ poly(ethylene oxide) (PEO) blend host matrix varying compositions xP(VDF-HFP)/(100–x)PEO-2 wt% ZnO films with x values 20, 50, and 80 wt%, zinc oxide (ZnO) as nanofiller (2 wt%) are prepared by state-of-the-art homogenized solution cast method. The SEM micro-images these PNC revealed that the polymer considerably affect polymers miscibility, spherulitic morphologies, crystalline phases. FTIR spectra demonstrated P(VDF-HFP) PEO chain interactions in PNCs change significantly composition. DSC results a decrease crystallite temperature degree crystallinity increase amount materials. Analysis UV-Vis categorized wide band gap (∼ 3.1 eV) semiconductive optical Broadband frequency range (20 Hz – 1 GHz) dielectric dispersion 50P(VDF-HFP)/50PEO-2 composition based nanodielectric film has relatively high constant, whereas segmental dipolar reorientation relaxation processes strongly dependent for experimental considered discussed detail concerning multifunctionality promising candidates innovation flexible optoelectronic nanodielectric-based microelectronic devices.

Language: Английский

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Effect of Hot Pressing on the Optical, Thermal, and Dielectric Properties of Solution Cast Prepared Nanocomposite Films Based on a Poly(Vinylidene Fluoride-co-Hexafluoropropylene) and Poly(Ethylene Oxide) Blend Matrix with Dispersed Zinc Oxide Nanoparticles

Journal of Macromolecular Science Part B, Journal Year: 2024, Volume and Issue: 63(12), P. 1269 - 1285

Published: Feb. 28, 2024

In our research described herein, the hot pressing treatment at 90 °C under 2 tons of pressure on solution cast polymer nanocomposite (PNC) films based a host matrix poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP)) and poly(ethylene oxide) (PEO) with varying blend compositions (20, 50, 80 wt% P(VDF-HFP) or PEO) zinc oxide (ZnO) nanofiller, was performed; effects this composition variations optical, thermal, dielectric properties explored. The ultraviolet-visible wavelength range study revealed slightly reduced absorbance little increased energy band gap after films. Differential scanning calorimetry cast-hot pressed (SC-HP) PNC explained thermal stability crystallites also degree crystallinity. broadband measurements these materials, 27 °C, confirmed significant changes in various polarization processes, demonstrating large redistribution constituent interfaces by press treatment. Additionally, film equal compositional ratio further 130 160 step step, characterized to examine properties. thermally treated composite are discussed concerning their use for flexible device applications.

Language: Английский

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Development of PVDF/PMMA‐Cu nanocomposites with enhanced dielectric properties and energy storage density for capacitor applications

Journal of Vinyl and Additive Technology, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Abstract This study aims to develop novel PVDF/PMMA‐based polymer nanocomposites (PNCs) filled with copper nanoparticles (Cu NPs) for capacitive energy storage applications. The unique conductive properties of Cu NPs were utilized enhance the dielectric and blend significantly. incorporated at low concentrations (1.5 3 wt.%), providing a cost‐effective approach improving material performance. Structural analyses using XRD FTIR revealed that disrupt crystalline structure blend, increasing amorphous phase facilitating charge carrier mobility. UV/visible spectroscopy demonstrated reduction in optical bandgap energy, indicating strong electronic interactions between matrix. Impedance measurements confirmed interfacial polarization, resulting higher constants improved conductivity frequencies while maintaining loss. Notably, wt.% NP nanocomposite achieved an density ~3.8 × 10 −3 J/m frequencies, more than double pure PVDF/PMMA blend. These findings indicate PVDF/PMMA‐Cu could be promising materials Highlights PVDF/PMMA/Cu prepared solution‐casting method. CuNPs blends optical, structural, electrical properties. Improved PNCs demonstrated. Fabricated capacitors exhibited performance storage.

Language: Английский

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The effect of clay modification on the structure, dielectric behaviour and mechanical properties of PVDF/PMMA/CTAMag polymer nanocomposites as potential flexible performance materials

Journal of Polymer Engineering, Journal Year: 2024, Volume and Issue: 44(6), P. 386 - 395

Published: April 25, 2024

Abstract In this approach, nanocomposites of PVDF/PMMA/CTAMag films have been successfully synthesized. Modified Maghnite was used as inorganic reinforcement. study, nanocomposite polymers were developed based on a mixed matrix poly(vinylidene fluoride) (PVDF) and poly(methyl methacrylate) (PMMA) composition (80/20 w/w) in dispersion containing 0, 1, 3, 5 7 wt % fillers organomodified montmorillonite nanoclay (CTAMag) the melt state. The results obtained by scanning electron microscopy (SEM), XRD traces FTIR spectra highlighted homogeneous flexible character their intercalated intercalated/exfoliated surface morphology, addition to presence PVDF α , β γ phase crystallites these complex films. increased modified clay host PVDF/PMMA blend significantly influenced melting temperature degree crystallinity crystallites. scattering dielectric spectra, which covers wide range frequencies from 20 Hz 1 GHz, indicates phenomenon interfacial polarization associated with capacitance at lower composites 27 °C. mechanical properties evaluated function load composites.

Language: Английский

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Natural sucrose-assisted controllable porous PVDF-HFP films for self-powered tactile sensors with higher sensitivity

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 54, P. 105252 - 105252

Published: Oct. 10, 2024

Language: Английский

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Impact of Graphite Nanoflakes and Gamma Radiation on the Mechanical, Electrical, and Thermal Properties of EPDM/Modified BaTiO3 Composites

Synthetic Metals, Journal Year: 2024, Volume and Issue: 308, P. 117718 - 117718

Published: Aug. 23, 2024

Language: Английский

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