Ultra-stretchable, super-hydrophobic and high-conductive composite for wearable strain sensors with high sensitivity

Li, Sishi; Xu, Rong; Wang, Jiashu; Yang, Yue; Fu, Qiang; Pan, Chen

doi:10.1016/j.jcis.2022.03.020

Cited by 37 publications

(35 citation statements)

References 32 publications

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“…43 Besides, the sensitivity of 0.01% is significantly higher than those sensors reported recently 15,27,37−47 although the PEDOT:PSS@ PVA-5 hydrogel fiber has a smaller elongation than some sensor materials. 15,37,39,42,44 These excellent properties show that it could be used for physiological monitoring of various human activities.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

High-Sensitivity and Extreme Environment-Resistant Sensors Based on PEDOT:PSS@PVA Hydrogel Fibers for Physiological Monitoring

Shi

Wang

Song

et al. 2022

ACS Appl. Mater. Interfaces

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The rapid development of flexible electronic devices has caused a boom in researching flexible sensors based on hydrogels, but most of the flexible sensors can only work at room temperature, and they are difficult to adapt to extremely cold or dry environments. Here, the flexible hydrogel fibers (PEDOT:PSS@ PVA) with excellent resistance to extreme environments have been prepared by adding glycerin (GL) to the mixture of poly(vinyl alcohol) (PVA) and poly 3,4-dioxyethylene thiophene:polystyrene sulfonic acid (PEDOT:PSS) because GL molecules can form dynamic hydrogen bonds with an elastic matrix of PVA molecules. It is found that the prepared sensor exhibits very good flexibility and mechanical strength, and the ultimate tensile strength can reach up to 13.76 MPa when the elongation at break is 519.9%. Furthermore, the hydrogel fibers possess excellent water retention performance and low-temperature resistance. After being placed in the atmospheric environment for 1 year, the sensor still shows good flexibility. At a low temperature of −60 °C, the sensor can stably endure 1000 repeated stretches and shrinks (10% elongation). In addition to the response to a large strain, this fiber sensor can also detect extremely small strains as low as 0.01%. It is proved that complex human movements such as knuckle bending, vocalization, pulse, and others can be monitored perfectly by this fiber sensor. The above results mean that the PEDOT:PSS@PVA fiber sensor has great application prospects in physiological monitoring.

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Section: ■ Results and Discussionmentioning

confidence: 99%

High-Sensitivity and Extreme Environment-Resistant Sensors Based on PEDOT:PSS@PVA Hydrogel Fibers for Physiological Monitoring

Shi

Wang

Song

et al. 2022

ACS Appl. Mater. Interfaces

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“…Owing to the wide variety of potential morphologies of three-dimensional composite nanoparticles, it is impossible to discuss them thoroughly in this review. Nonetheless, other morphologies of three-dimensional composite nanoparticles can be reasonably conceived based on the “3M” methodology and the previous discussion ( Dai et al, 2021 ; Li et al, 2022b ; Li et al, 2022c ). For example, zero-dimensional carbon black nanoparticles and one-dimensional carbon nanotubes have been mixed to obtain conductive composite nanoparticles, and superhydrophobic materials could be obtained by mixing PDMS and the conductive composite nanoparticles in a solution and curing the PDMS ( Li et al, 2022b ).…”

Section: Superhydrophobicity Based On Polydimethylsiloxane With Nanop...mentioning

confidence: 99%

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Yang

et al. 2022

Front. Bioeng. Biotechnol.

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Fouling, including inorganic, organic, bio-, and composite fouling seriously affects our daily life. To reduce these effects, antifouling strategies including fouling resistance, release, and degrading, have been proposed. Superhydrophobicity, the most widely used characteristic for antifouling that relies on surface wettability, can provide surfaces with antifouling abilities owing to its fouling resistance and/or release effects. PDMS shows valuable and wide applications in many fields, and due to the inherent hydrophobicity, superhydrophobicity can be achieved simply by roughening the surface of pure PDMS or its composites. In this review, we propose a versatile “3M” methodology (materials, methods, and morphologies) to guide the fabrication of superhydrophobic PDMS-based materials for antifouling applications. Regarding materials, pure PDMS, PDMS with nanoparticles, and PDMS with other materials were introduced. The available methods are discussed based on the different materials. Materials based on PDMS with nanoparticles (zero-, one-, two-, and three-dimensional nanoparticles) are discussed systematically as typical examples with different morphologies. Carefully selected materials, methods, and morphologies were reviewed in this paper, which is expected to be a helpful reference for future research on superhydrophobic PDMS-based materials for antifouling applications.

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“…The incorporation of metal nanoparticles (silver [27,28], gold [29,30], copper [31,32], zinc oxide [33,34], gallium [35,36], platinum [37,38], aluminum [39,40], nickel [41,42], cobalt [43,44], tin [45,46], etc. ), carbon nanomaterials (carbon nanotube [47,48], graphene [49,50], carbon black [51,52], activated carbon [53,54], etc. ), conductive polymers (Polypyrrole-PPy [55,56], Polyaniline-PANI [57,58], poly (3,4-ethylenedioxythiophene) polystyrene sulfonate-PEDOT: PSS [59,60], etc.)…”

Section: Introductionmentioning

confidence: 99%

Advances in the Robustness of Wearable Electronic Textiles: Strategies, Stability, Washability and Perspective

Sadi

Kumpikaitė

2022

Nanomaterials

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Flexible electronic textiles are the future of wearable technology with a diverse application potential inspired by the Internet of Things (IoT) to improve all aspects of wearer life by replacing traditional bulky, rigid, and uncomfortable wearable electronics. The inherently prominent characteristics exhibited by textile substrates make them ideal candidates for designing user-friendly wearable electronic textiles for high-end variant applications. Textile substrates (fiber, yarn, fabric, and garment) combined with nanostructured electroactive materials provide a universal pathway for the researcher to construct advanced wearable electronics compatible with the human body and other circumstances. However, e-textiles are found to be vulnerable to physical deformation induced during repeated wash and wear. Thus, e-textiles need to be robust enough to withstand such challenges involved in designing a reliable product and require more attention for substantial advancement in stability and washability. As a step toward reliable devices, we present this comprehensive review of the state-of-the-art advances in substrate geometries, modification, fabrication, and standardized washing strategies to predict a roadmap toward sustainability. Furthermore, current challenges, opportunities, and future aspects of durable e-textiles development are envisioned to provide a conclusive pathway for researchers to conduct advanced studies.

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Ultra-stretchable, super-hydrophobic and high-conductive composite for wearable strain sensors with high sensitivity

Cited by 37 publications

References 32 publications

High-Sensitivity and Extreme Environment-Resistant Sensors Based on PEDOT:PSS@PVA Hydrogel Fibers for Physiological Monitoring

High-Sensitivity and Extreme Environment-Resistant Sensors Based on PEDOT:PSS@PVA Hydrogel Fibers for Physiological Monitoring

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Advances in the Robustness of Wearable Electronic Textiles: Strategies, Stability, Washability and Perspective

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