High-performance triboelectric nanogenerators based on Ag-doped ZnO loaded electrospun PVDF nanofiber mats for energy harvesting and healthcare monitoring

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Янв. 27, 2025

Язык: Английский

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Research Advances in Electrospun Nanofiber Membranes for Non-Invasive Medical Applications

Micromachines, Год журнала: 2024, Номер 15(10), С. 1226 - 1226

Опубликована: Сен. 30, 2024

Non-invasive medical nanofiber technology, characterized by its high specific surface area, biocompatibility, and porosity, holds significant potential in various domains, including tissue repair biosensing. It is increasingly becoming central to healthcare offering safer more efficient treatment options for contemporary medicine. Numerous studies have explored non-invasive nanofibers recent years, yet a comprehensive overview of the field remains lacking. In this paper, we provide summary applications electrospun fields, considering multiple aspects perspectives. Initially, introduce electrospinning nanofibers. Subsequently, detail their health, health monitoring, personal protection, thermal regulation, wound care, highlighting critical role improving human health. Lastly, paper discusses current challenges associated with offers insights into future development trajectories.

Язык: Английский

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Impact of Pentaerythritol (Core), Dimethylol Butanoic Acid (Monomer) Based Second Generation Aliphatic Hyperbranched Polymer on the Tribonegative Performance of Polyvinylidene Fluoride

Advanced Sustainable Systems, Год журнала: 2025, Номер unknown

Опубликована: Янв. 7, 2025

Abstract The triboelectric nanogenerator (TENG) is an eminent technology and has become a promising solution for the existing energy crises. Several methods are investigated to enhance TENG output performance. Herein, novel pentaerythritol (core) dimethylol butanoic acid (monomer)‐based hyperbranched polymer of second generation (HBP‐G2) fabricated by facile single‐step polycondensation technique. Further, different weight percentages (5, 10, 15, 20 wt%) HBP‐G2‐blended polyvinylidene fluoride (PVDF)‐based nanofibers (NFs) prepared using traditional electrospinning HBP‐G2 electrospun NFs characterized scanning electron microscope (SEM)/energy dispersive spectroscopy (EDS), Fourier‐transform infrared (FTIR), X‐ray diffraction (XRD)light emitting diodes studies. effect on performance PVDF evaluated in terms open circuit potential (V oc ) short current (I sc aluminium as counter electrode. Among all, wt% PVDF/HBP‐G2 shows superior V 241 (ten times neat NF) I 5.3 µA (six NF). optimized device (PVDF/G2‐PA‐20) exhibits peak power density 0.17 Wm −2 at applied load resistance 100 MΩ. Finally, real‐time feasibility proposed successfully demonstrated harvest mechanical such operating calculators lightning 36 light (LEDs)https://doi.org/10.1016/j.matpr.2023.02.087.

Язык: Английский

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Flexible Pressure Sensors Based on Polyvinylidene Fluoride: A Critical Review

Materials, Год журнала: 2025, Номер 18(3), С. 615 - 615

Опубликована: Янв. 29, 2025

With the advent of intelligent era, flexible piezoelectric tactile sensors, as key components for sensing information and transmitting signals, have received worldwide attention. However, pressure sensors are still currently limited, which severely restricts their practical applications. Furthermore, demonstrations conducted in labs not accurate to real-world scenarios. Thus, there is an urgent need further optimize intrinsic performance usage characteristics meet application requirements. As a representative piezoelectric, polyvinylidene fluoride (PVDF) exhibits significant advantages terms excellent flexibility, chemical stability, high electromechanical conversion, low cost, appropriate acoustic impedance, allow it serve core matrix sensors. This paper aims summarize very recent progress based on PVDF, including composition modulation, structure optimization, Based comprehensive summary studies, we propose rational perspectives strategies regarding PVDF-based provide some new insights research industrial communities.

Язык: Английский

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Trends in Flexible Sensing Technology in Smart Wearable Mechanisms–Materials–Applications

Nanomaterials, Год журнала: 2025, Номер 15(4), С. 298 - 298

Опубликована: Фев. 15, 2025

Flexible sensors are revolutionizing our lives as a key component of intelligent wearables. Their pliability, stretchability, and diverse designs enable foldable portable devices while enhancing comfort convenience. Advances in materials science have provided numerous options for creating flexible sensors. The core their application areas like electronic skin, health medical monitoring, motion human-computer interaction is selecting that optimize sensor performance weight, elasticity, comfort, flexibility. This article focuses on sensors, analyzing "sensing mechanisms-materials-applications" framework. It explores development trajectory, material characteristics, contributions various domains such interaction. concludes by summarizing current research achievements discussing future challenges opportunities. expected to continue expanding into new fields, driving the evolution smart wearables contributing society.

Язык: Английский

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Unveiling the latent potential: Ni/CoFe2O4-loaded electrospun PVDF hybrid composite-based triboelectric nanogenerator for mechanical energy harvesting applications

Advanced Composites and Hybrid Materials, Год журнала: 2025, Номер 8(2)

Опубликована: Март 25, 2025

Язык: Английский

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Ultrahigh β-Phase Content Polyvinylidene Fluoride/Boron Nitride True-Nanoscale Fibers Based Composites for Stable and Highly Sensitive Self-Powered Flexible Sensors

Nano Energy, Год журнала: 2024, Номер 135, С. 110626 - 110626

Опубликована: Дек. 27, 2024

Язык: Английский

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Structure and Functional Characteristics of Novel Polyurethane/Ferrite Nanocomposites with Antioxidant Properties and Improved Biocompatibility for Vascular Graft Development

Polymers, Год журнала: 2025, Номер 17(2), С. 152 - 152

Опубликована: Янв. 9, 2025

Novel ferrite/polyurethane nanocomposites were synthesized using the in situ polymerization method after addition of different spinel nanoferrite particles (copper, zinc, and copper–zinc) examined as potential coatings for medical devices implants vascular tissue engineering. The influence type on structure functional characteristics polyurethane composites was investigated by FTIR, SWAXS, AFM, TGA, DSC, nanoindentation, swelling behavior, water contact angle, absorption measurements. Biocompatibility evaluated examining cytotoxicity adhesion human endothelial cells fibroblasts onto prepared performing a protein adsorption test. antioxidant activity detected UV–VIS spectroscopy 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging assay. Embedding types nanoparticles matrix increased phase mixing, ability, DPPH scavenging, decreased surface roughness, differently affected stiffness materials. composite with zinc ferrite showed improved mechanical properties, hydrophilicity, cell adhesion, similar thermal stability, but lower roughness crosslinking density compared to pristine matrix. vitro biocompatibility evaluation demonstrates that all are non-toxic, exhibit good hemocompatibility, promote recommends their use biocompatible materials development implants.

Язык: Английский

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Recent progress in polymer nanocomposite based on terahertz time domain spectroscopy (TDS)

Journal of Optics, Год журнала: 2025, Номер unknown

Опубликована: Фев. 21, 2025

Язык: Английский

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3D copper telluride morphological leaf structure based triboelectric nanogenerator for wearable sensing

Energy Conversion and Management X, Год журнала: 2025, Номер unknown, С. 100976 - 100976

Опубликована: Март 1, 2025

Язык: Английский

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