Self‐Adhesive Polydimethylsiloxane Foam Materials Decorated with MXene/Cellulose Nanofiber Interconnected Network for Versatile Functionalities

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(48)

Published: July 17, 2023

Abstract Polydimethylsiloxanes (PDMS) foam as one of next‐generation polymer materials shows poor surface adhesion and limited functionality, which greatly restricts its potential applications. Fabrication advanced PDMS with multiple functionalities remains a critical challenge. In this study, unprecedented self‐adhesive are reported worm‐like rough structure reactive groups for fabricating multifunctional nanocomposites decorated MXene/cellulose nanofiber (MXene/CNF) interconnected network by facile silicone foaming dip‐coating strategy followed silane modification. Interestingly, such produces strong interfacial the hybrid MXene/CNF nano‐coatings. Consequently, optimized have excellent super‐hydrophobicity (water contact angle ≈159 o ), tunable electrical conductivity (from 10 −8 to S m −1 stable compressive cyclic reliability in both wide‐temperature range −20 200 C) complex environments (acid, sodium, alkali conditions), outstanding flame resistance (LOI value >27% low smoke production rate), good thermal insulating performance reliable strain sensing various stress modes environmental conditions. It provides new route rational design development versatile multifunctionalities promising applications intelligent healthcare monitoring fire‐safe insulation.

Language: Английский

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Flexible and highly‐sensitive pressure sensor based on controllably oxidized MXene

InfoMat, Journal Year: 2022, Volume and Issue: 4(9)

Published: June 1, 2022

Abstract Conductive Ti 3 C 2 T x MXenes have been widely investigated for the construction of flexible and highly‐sensitive pressure sensors. Although inevitable oxidation solution‐processed MXene has recognized, effect irreversible on its electrical conductivity sensing properties is yet to be understood. Herein, we construct a degradable piezoresistive sensor by coating flakes with different degrees in situ onto paper substrates using dipping‐drying method. In can tune intrinsic resistance expand interlayer distance nanosheets. The partially oxidized MXene‐based exhibits high sensitivity 28.43 kPa −1 , which greater than those pristine MXene, over‐oxidized state‐of‐the‐art paper‐based Additionally, these sensors exhibit short response time 98.3 ms, good durability over 5000 measurement cycles, low force detection limit 0.8 Pa. Moreover, elements are easily degraded environmentally friendly. shows promise practical applications tracking body movements, sports coaching, remote health monitoring, human–computer interactions. image

Language: Английский

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Recent Advances in Flexible Pressure Sensors Based on MXene Materials

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(24)

Published: Feb. 21, 2024

In the past decade, with rapid development of wearable electronics, medical health monitoring, Internet Things, and flexible intelligent robots, pressure sensors have received unprecedented attention. As a very important kind electronic component for information transmission collection, gained wide application prospect in fields aerospace, biomedical skin, human-machine interface. recent years, MXene has attracted extensive attention because its unique 2D layered structure, high conductivity, rich surface terminal groups, hydrophilicity, which brought new breakthrough sensing. Thus, it become revolutionary pressure-sensitive material great potential. this work, advances MXene-based are reviewed from aspects sensing type, mechanism, selection, structural design, preparation strategy, application. The methods strategies to improve performance analyzed details. Finally, opportunities challenges faced by discussed. This review will bring research level, promoting wider exploitation practical materials sensors.

Language: Английский

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Emerging MXene/cellulose composites: Design strategies and diverse applications

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 458, P. 141402 - 141402

Published: Jan. 10, 2023

Language: Английский

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Toward Smart Sensing by MXene

Small, Journal Year: 2022, Volume and Issue: 19(14)

Published: Dec. 14, 2022

Abstract The Internet of Things era has promoted enormous research on sensors, communications, data fusion, and actuators. Among them, sensors are a prerequisite for acquiring the environmental information delivering to an artificial center make decisions. MXene‐based have aroused tremendous interest because their extraordinary performances. In this review, electrical, electronic, optical properties MXenes first introduced. Next, discussed according sensing mechanisms such as electrochemical, methods. Initially, biosensors introduced based chemiresistors field‐effect transistors. Besides, wearable pressure sensor is demonstrated with piezoresistive devices. Third, electrochemical methods include amperometry electrochemiluminescence examples. addition, approaches refer surface plasmonic resonance fluorescence energy transfer. Moreover, prospects delivered multimodal fusion toward complicated human‐like senses. Eventually, future opportunities MXene conveyed in new material discovery, structure design, proof‐of‐concept

Language: Английский

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Nature‐Inspired Interconnected Macro/Meso/Micro‐Porous MXene Electrode

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(12)

Published: Jan. 8, 2023

Abstract The geometric multiplication development of MXene has promoted it to become a star material in numerous applications including, but not limited to, energy storage. It is found that pore structure modulation engineering can improve the inherent properties MXene, turn significantly enhancing its electrochemical performance. However, most current works have focused on exploring structure‐effective relationships single‐scale regulation MXene. Inspired by Murray's law from nature where highly graded organisms discovered and used achieve effective diffusion maximize mass transfer, hierarchically interconnected porous electrode across micro‐meso‐macroporous constructed. This MXene‐based provides large amounts active sites while greatly shortening ion channel. Finally, zinc microcapacitor based this exhibits an ultrahigh area‐specific capacitance up 410 mF cm −2 density 103 µWh at power 2100 µW . areal outperforms currently reported microcapacitors. study supports strategy for materials (including MXene) ultra‐short channels maximum transport efficiency next‐generation high‐performance

Language: Английский

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Age of Flexible Electronics: Emerging Trends in Soft Multifunctional Sensors

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(16)

Published: Jan. 23, 2024

Abstract With the commercialization of first‐generation flexible mobiles and displays in late 2010s, humanity has stepped into age electronics. Inevitably, soft multifunctional sensors, as essential components next‐generation electronics, have attracted tremendous research interest like never before. This review is dedicated to offering an overview latest emerging trends sensors their accordant future development (R&D) directions for coming decade. First, key characteristics predominant target stimuli are highlighted. Second, important selection criteria introduced. Next, materials/structures identified. Specifically, R&D these envisaged based on trends, namely i) decoupling multiple stimuli, ii) data processing, iii) skin conformability, iv) energy sources. Finally, challenges potential opportunities discussed, new insights prospects fast‐emerging technology.

Language: Английский

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Ti₃C₂T_x MXene-Based Multifunctional Tactile Sensors for Precisely Detecting and Distinguishing Temperature and Pressure Stimuli

ACS Nano, Journal Year: 2023, Volume and Issue: 17(16), P. 16036 - 16047

Published: Aug. 14, 2023

Although skin-like sensors that can simultaneously detect various physical stimuli are of fair importance in cutting-edge human-machine interaction, robotic, and healthcare applications, they still face challenges facile, scalable, cost-effective production using conventional active materials. The emerging two-dimensional transition metal carbide, Ti3C2Tx MXene, integrated with favorable thermoelectric properties, metallic-like conductivity, a hydrophilic surface, is promising for solving these problems. Herein, multifunctional designed to precisely distinguish temperature pressure without cross-talk by decorating elastic porous substrates MXene sheets. Because the combination conductive thermally insulating, elastic, substrate integrates efficient Seebeck piezoresistive effects, resultant sensor exhibits not only an ultralow detection limit (0.05 K), high signal-to-noise ratio, excellent cycling stability but also sensitivity, fast response time, outstanding durability detection. Based on impressive dual-mode sensing properties independent detections, multimode input terminal electronic skin created, exhibiting great potential robotic interaction applications. This work provides scalable fabrication tactile detecting distinguishing stimuli.

Language: Английский

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Biocompatible and breathable all-fiber-based piezoresistive sensor with high sensitivity for human physiological movements monitoring

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 446, P. 137268 - 137268

Published: May 30, 2022

Language: Английский

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RETRACTED: MXene/metal and polymer nanocomposites: Preparation, properties, and applications

Journal of Alloys and Compounds, Journal Year: 2022, Volume and Issue: 917, P. 165404 - 165404

Published: May 13, 2022

Language: Английский

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