Stretchable, Adhesive, Self-Healable, and Conductive Hydrogel-Based Deformable Triboelectric Nanogenerator for Energy Harvesting and Human Motion Sensing

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(7), P. 9126 - 9137

Published: Feb. 14, 2022

Hydrogels that combine the integrated attributes of being adhesive, self-healable, deformable, and conductive show great promise for next-generation soft robotic/energy/electronic applications. Herein, we reported a dual-network polyacrylamide (PAAM)/poly(acrylic acid) (PAA)/graphene (GR)/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) (MAGP) hydrogel composed dual-cross-linked PAAM PAA as well PEDOT:PSS GR conducting component combines these features. A wearable strain sensor is fabricated by sandwiching MAGP hydrogels between two dielectric carbon nanotubes (CNTs)/poly(dimethylsiloxane) (PDMS) layers, which can be utilized to monitor delicate vigorous human motion. In addition, hydrogel-based act deformable triboelectric nanogenerator (D-TENG) harvesting mechanical energy. The D-TENG demonstrates peak output voltage current 141 V 0.8 μA, respectively. could easily light 52 yellow-light-emitting diodes (LEDs) simultaneously demonstrated capability power small electronics, such hygrometer thermometer. This work provides potential approach development energy sources self-powered sensors.

Language: Английский

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Advances and challenges in conductive hydrogels: From properties to applications

European Polymer Journal, Journal Year: 2022, Volume and Issue: 177, P. 111454 - 111454

Published: July 30, 2022

Language: Английский

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Soft Fiber Electronics Based on Semiconducting Polymer

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(8), P. 4693 - 4763

Published: Feb. 8, 2023

Fibers, originating from nature and mastered by human, have woven their way throughout the entire history of human civilization. Recent developments in semiconducting polymer materials further endowed fibers textiles with various electronic functions, which are attractive applications such as information interfacing, personalized medicine, clean energy. Owing to ability be easily integrated into daily life, soft fiber electronics based on polymers gained popularity recently for wearable implantable applications. Herein, we present a review previous current progress polymer-based electronics, particularly focusing smart-wearable areas. First, provide brief overview viewpoint basic concepts functionality requirements different devices. Then analyze existing associated devices interfaces, healthcare energy conversion storage. The working principle performance summarized. Furthermore, focus fabrication techniques Based continuous one-dimensional yarn, introduce two- three-dimensional fabric fabricating methods. Finally, challenges relevant perspectives potential solutions address related problems.

Language: Английский

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A Paradigm of Internet-of-Nano-Things Inspired Intelligent Plant Pathogen-Diagnostic Biosensors

ECS Sensors Plus, Journal Year: 2022, Volume and Issue: 1(3), P. 031401 - 031401

Published: Sept. 1, 2022

Plant pathogens massively affect crop productivity and are one of the significant challenges in attaining sustainable development goals related to agriculture, food production, addressing hunger issues. Conventional techniques generic seasonal chemical spraying severely damage environment human health. On contrary, nanomaterials-based biosensors have emerged as economical, efficient, selective, prompt, precise strategies for plant pathogen disease diagnosis. The integration nano-biosensors with artificial intelligence, internet-of-things, cloud computing, drones, 5G communication has recently raised paradigm internet-of-nano-things-inspired intelligent plant-diagnostic biosensors. This prospect highlights these modern-age plant-pathogen shaping smart 5th generation agricultural practices.

Language: Английский

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Fully Biodegradable and Long-Term Operational Primary Zinc Batteries as Power Sources for Electronic Medicine

ACS Nano, Journal Year: 2023, Volume and Issue: 17(6), P. 5727 - 5739

Published: March 10, 2023

Given the advantages of high energy density and easy deployment, biodegradable primary battery systems remain as a promising power source to achieve bioresorbable electronic medicine, eliminating secondary surgeries for device retrieval. However, currently available biobatteries are constrained by operational lifetime, biocompatibility, biodegradability, limiting potential therapeutic outcomes temporary implants. Herein, we propose fully zinc–molybdenum (Zn–Mo) with prolonged functional lifetime up 19 days desirable capacity output voltage compared reported Zn biobatteries. The Zn–Mo system is shown have excellent biocompatibility biodegradability can significantly promote Schwann cell proliferation axonal growth dorsal root ganglia. module 4 cells in series using gelatin electrolyte accomplishes electrochemical generation signaling molecules (nitric oxide, NO) that modulate behavior cellular network, efficacy comparable conventional sources. This work sheds light on materials strategies fabrication schemes develop high-performance batteries platform innovative medical treatments could be beneficial health care.

Language: Английский

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Recent Advances and Developments in Injectable Conductive Polymer Gels for Bioelectronics

ACS Applied Bio Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 16, 2024

Soft matter bioelectronics represents an emerging and interdisciplinary research frontier aiming to harness the synergy between biology electronics for advanced diagnostic healthcare applications. In this context, a whole family of soft gels have been recently developed with self-healing ability tunable biological mimetic features act as tissue-like space bridging interface electronic device dynamic fluids body tissues. This review article provides comprehensive overview electroactive polymer gels, formed by noncovalent intermolecular interactions covalent bonds, injectable covering their synthesis, characterization, First, hydrogels crafted from conducting polymers (poly(3,4-ethylene-dioxythiophene) (PEDOT), polyaniline (PANi), polypyrrole (PPy))-based networks which are connected through physical (e.g., hydrogen bonding, π–π stacking, hydrophobic interactions) or bonds imine Schiff-base, borate ester bonds) addressed. Injectable involving hybrid conductive nanomaterials (i.e., graphene oxide, carbon nanotubes, metallic nanoparticles, etc.) also discussed. Besides, it delves into recent advancements in ionic liquid-integrated (iongels) deep eutectic solvent-integrated (eutectogels), present promising avenues future research. Finally, current applications prospects cutting-edge bioelectronic ranging tissue engineering biosensing outlined.

Language: Английский

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Interfacing with the Brain: How Nanotechnology Can Contribute

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Interfacing artificial devices with the human brain is central goal of neurotechnology. Yet, our imaginations are often limited by currently available paradigms and technologies. Suggestions for brain-machine interfaces have changed over time, along technology. Mechanical levers cable winches were used to move parts during mechanical age. Sophisticated electronic wiring remote control arisen age, ultimately leading plug-and-play computer interfaces. Nonetheless, brains so complex that these visions, until recently, largely remained unreachable dreams. The general problem, thus far, most technology mechanically and/or electrically engineered, whereas a living, dynamic entity. As result, worlds difficult interface one another. Nanotechnology, which encompasses engineered solid-state objects integrated circuits, excels at small length scales single few hundred nanometers and, thus, matches sizes biomolecules, biomolecular assemblies, cells. Consequently, we envision nanomaterials nanotools as opportunities in alternative ways. Here, review existing literature on use nanotechnology look forward discussing perspectives limitations based authors' expertise across range complementary disciplines─from neuroscience, engineering, physics, chemistry biology medicine, science mathematics, social jurisprudence. We focus but also include information from related fields when useful complementary.

Language: Английский

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Biocompatible Ionic Liquids in High-Performing Organic Electrochemical Transistors for Ion Detection and Electrophysiological Monitoring

ACS Nano, Journal Year: 2022, Volume and Issue: 16(8), P. 12049 - 12060

Published: Aug. 8, 2022

Organic electrochemical transistors (OECTs) have recently attracted attention due to their high transconductance and low operating voltage, which makes them ideal for a wide range of biosensing applications. Poly-3,4-ethylenedioxythiophene:poly-4-styrenesulfonate (PEDOT:PSS) is typical material used as the active channel layer in OECTs. Pristine PEDOT:PSS has poor electrical conductivity, additives are typically introduced improve its conductivity OECT performance. However, these mostly either toxic or not proven be biocompatible. Herein, biocompatible ionic liquid [MTEOA][MeOSO3] demonstrated an effective additive enhance performance PEDOT:PSS-based The influence on morphology, redox process investigated. PEDOT:PSS/[MTEOA][MeOSO3]-based exhibits (22.3 ± 4.5 mS μm-1), μC* (the product mobility μ volumetric capacitance C*) (283.80 29.66 F cm-1 V-1 s-1), fast response time (∼40.57 μs), excellent switching cyclical stability. Next, integration sodium (Na+) potassium (K+) ion-selective membranes with OECTs demonstrated, enabling selective ion detection physiological range. In addition, flexible designed electrocardiography (ECG) signal acquisition. These shown robust against physical deformation successfully recorded high-quality ECG signals.

Language: Английский

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All‐day wearable health monitoring system

EcoMat, Journal Year: 2022, Volume and Issue: 4(4)

Published: March 9, 2022

Abstract Wearable devices are widely used in the smart healthcare monitoring system to detect changes user parameters through applications such as wristwatches, bands, and clothing electronic skin. In addition, multimode enable of vital signs, helping diagnose prevent diseases. A wearable device detects user's biological signals body temperature, movement, heartbeat, humidity level, transmits information mobile phone, sends an emergency center/family/clinician cloud computing or wireless communication systems. This all‐day enables status be monitored 24 h a day ensure appropriate treatment, thereby facilitating highly personalized care due its human‐centricity. When integrated with higher‐level infrastructure, it is expected useful scenarios, providing benefits multiple stakeholders. will help protect people exposed potentially life‐threatening environments military personnel, first responders, deep‐sea space explorers. this review, components for implementing described, including electrode design strategy realizing skin attachable e‐skin device. Issues related flexible storage recent research results also discussed. image

Language: Английский

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Applications of MXene-Containing Polypyrrole Nanocomposites in Electrochemical Energy Storage and Conversion

ACS Omega, Journal Year: 2022, Volume and Issue: 7(44), P. 39498 - 39519

Published: Oct. 25, 2022

The atomically thick two-dimensional (2D) materials are at the forefront of revolutionary technologies for energy storage devices. Due to their fascinating physical and chemical features, these have gotten a lot attention. They particularly appealing wide range applications, including electrochemical systems, due simplicity property tuning. MXene is type 2D material that widely recognized its exceptional characteristics. use in conjunction with conducting polymers, notably polypyrrole (PPy), has opened new possibilities lightweight, flexible, portable electrodes. Therefore, herein we report comprehensive review recent achievements production MXene/PPy nanocomposites. structural-property relationship this class nanocomposites was taken into consideration an elaborate discussion various characterizations employed. As result, research gives narrative explanation how PPy interacts distinct MXenes produce desirable high-performance effects incorporation on thermal, electrical, characteristics resultant were discussed. Finally, it critically reviewed presented as advanced composite devices, conversion, sensors, electromagnetic interference shielding.

Language: Английский

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