Spatially Confined MXene/PVDF Nanofiber Piezoelectric Electronics

Advanced Fiber Materials, Год журнала: 2023, Номер 6(1), С. 133 - 144

Опубликована: Ноя. 3, 2023

Язык: Английский

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Emerging Trends of Nanofibrous Piezoelectric and Triboelectric Applications: Mechanisms, Electroactive Materials, and Designed Architectures

Advanced Materials, Год журнала: 2024, Номер 36(26)

Опубликована: Март 28, 2024

Abstract Over the past few decades, significant progress in piezo‐/triboelectric nanogenerators (PTEGs) has led to development of cutting‐edge wearable technologies. Nanofibers with good designability, controllable morphologies, large specific areas, and unique physicochemical properties provide a promising platform for PTEGs various advanced applications. However, further nanofiber‐based is limited by technical difficulties, ranging from materials design device integration. Herein, current developments based on electrospun nanofibers are systematically reviewed. This review begins mechanisms advantages nanodevices, including high breathability, waterproofness, scalability, thermal–moisture comfort. In terms structural design, novel electroactive structure assemblies 1D micro/nanostructures, 2D bionic structures, 3D multilayered structures discussed. Subsequently, nanofibrous applications such as energy harvesters, personalized medicine, personal protective equipment, human–machine interactions summarized. Nanofiber‐based still face many challenges efficiency, material durability, stability, Finally, research gap between practical discussed, emerging trends proposed, providing some ideas intelligent wearables.

Язык: Английский

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A Highly Sensitive Coaxial Nanofiber Mask for Respiratory Monitoring Assisted with Machine Learning

Advanced Fiber Materials, Год журнала: 2024, Номер 6(5), С. 1402 - 1412

Опубликована: Май 14, 2024

Язык: Английский

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MXene-based pressure sensor with ultrahigh sensitivity in a small pressure range for voiceless speaking and abnormal writing recognition

Advanced Composites and Hybrid Materials, Год журнала: 2024, Номер 7(1)

Опубликована: Янв. 29, 2024

Язык: Английский

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Molecular Ferroelectrics for Highly Sensitive Detection Toward Low‐Frequency Sound Recognition

Advanced Materials, Год журнала: 2025, Номер unknown

Опубликована: Янв. 7, 2025

Abstract Human hearing cannot sensitively detect sounds below 100 Hz, which can affect the physical well‐being and lead to dizziness, headaches, nausea. Piezoelectric acoustic sensors still lack sensitivity low‐frequency owing low piezoelectric coefficient or high elastic modulus of materials. The substantial molecular ferroelectric materials make them excellent candidates for sensors. In this study, ferroelectric, [(CH 3 ) NCH 2 Cl]CdCl , is used as a active layer in construction sensor sound detection. exhibits (47.43 mV Pa −1 cm −2 at 87 with an level frequency resolution (up 0.1 Hz). This facilitates accurate discrimination detection sounds, suitable noise applications. differentiates between various musical instruments heartbeats, recognizes audio signals. study highlights potential device applications, including detection, health monitoring, human‐computer interactions.

Язык: Английский

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Modulating piezoelectricity and mechanical strength via three-dimensional gradient structure for piezoelectric composites

Materials Horizons, Год журнала: 2023, Номер 10(11), С. 5045 - 5052

Опубликована: Янв. 1, 2023

Three-dimensional gradient PMN-PT/PVDF composites were constructed via a non-equilibrium process that integrated modified electrospinning and hot-pressing. And the structure exhibited both well piezoelectricity mechanical strength.

Язык: Английский

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Advances in magnetic-assisted triboelectric nanogenerators: structures, materials and self-sensing systems

International Journal of Extreme Manufacturing, Год журнала: 2024, Номер 6(5), С. 052007 - 052007

Опубликована: Июнь 25, 2024

Abstract Triboelectric nanogenerators (TENG), renowned for their remarkable capability to harness weak mechanical energy from the environment, have gained considerable attention owing cost-effectiveness, high output, and adaptability. This review provides a unique perspective by conducting comprehensive in-depth analysis of magnetically assisted TENGs that encompass structures, materials, self-powered sensing systems. We systematically summarize diverse functions magnetic assistance TENGs, including system stiffness, components hybrid electromagnetic-triboelectric generator, transmission, interaction forces. In material domain, we incorporation nano-composites along with ferrofluid-based TENG microstructure verification, which also been summarized based on existing research. Furthermore, delve into research progress physical quantity human-machine interface in magnetic-assisted TENGs. Our highlights extends beyond repulsive suction forces under field, thereby playing multifaceted roles improving output performance environmental adaptability Finally, present prevailing challenges offer insights future trajectory development.

Язык: Английский

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Recent advances in acoustoelectric conversion of piezoelectric electrospun nanofibers

Nano Energy, Год журнала: 2024, Номер 130, С. 110117 - 110117

Опубликована: Авг. 15, 2024

Язык: Английский

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Micro‐3D Printed Conductive Polymer Composite via Two‐Photon Polymerization for Sensing Applications

Advanced Materials Technologies, Год журнала: 2024, Номер unknown

Опубликована: Июнь 5, 2024

Abstract Two‐photon Polymerization (2PP) process for high‐resolution 3D printing presents an opportunity to design micro‐scale structures with a high surface‐to‐volume ratio highly responsive devices. However, these acrylate or thiol‐based resins are electrically insulating and non‐functional in nature, therefore limiting their widespread application biosensing biotechnology. Here, novel conductive polymeric composite resin print micro‐structures via the 2PP technique is developed its sensing demonstrated. The consists of acrylate‐based Poly(3,4‐ethylenedioxythiophene)‐poly(styrenesulfonate) (PEDOT:PSS), biocompatible organic semiconductor PEDOT:PSS incorporation through Raman X‐ray photoelectron spectroscopy (XPS) studied. An electrical conductivity 3.5 × 10 2 S cm −1 20 µm long printed micro‐structure which suitable electronic applications achieved. ultra‐fast micro‐3D humidity sensor response recovery time 0.15 0.3 s respectively sensors show sensitivity levels 0–80%RH. As proof concept, real‐time respiration human body recorded, implying potential health monitoring systems.

Язык: Английский

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Artificial intelligence-assisted wearable electronics for human-machine interfaces

Device, Год журнала: 2025, Номер unknown, С. 100707 - 100707

Опубликована: Фев. 1, 2025

Язык: Английский

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