Recent Progress in Conducting Polymer Composite/Nanofiber-Based Strain and Pressure Sensors

Veeramuthu, Loganathan; Venkatesan, Manikandan; Benas, Jean-Sébastien; Cho, Chia‐Jung; Lee, Chia‐Chin; Lieu, Fu-Kong; Lin, Ja‐Hon; Lee, Rong-Ho; Kuo, Chi‐Ching

doi:10.3390/polym13244281

Cited by 53 publications

(42 citation statements)

References 252 publications

(273 reference statements)

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“…Polymers like polyurethane (PU) or poly(dimethylsiloxane) are used due to their excellent optical and mechanical properties such as elasticity, low density, or transparency. The second strategy is the use of conductive polymers as the sensor [48] but also as a filler [49]. Significant advances have been made in improving the flexibility of conjugated polymers by changing their chemistry or the strategies to design the material [50].…”

Section: Piezoresistive Sensorsmentioning

confidence: 99%

Flexible Sensors Based on Conductive Polymers

Pavel

Lakard

2022

Chemosensors

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Conductive polymers have attracted wide attention since their discovery due to their unique properties such as good electrical conductivity, thermal and chemical stability, and low cost. With different possibilities of preparation and deposition on surfaces, they present unique and tunable structures. Because of the ease of incorporating different elements to form composite materials, conductive polymers have been widely used in a plethora of applications. Their inherent mechanical tolerance limit makes them ideal for flexible devices, such as electrodes for batteries, artificial muscles, organic electronics, and sensors. As the demand for the next generation of (wearable) personal and flexible sensing devices is increasing, this review aims to discuss and summarize the recent manufacturing advances made on flexible electrochemical sensors

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Section: Piezoresistive Sensorsmentioning

confidence: 99%

Flexible Sensors Based on Conductive Polymers

Pavel

Lakard

2022

Chemosensors

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“…In the past few decades, many industries were developed to manufacture conventional plastics for daily products and polymer-based energy and AI technologies. Particularly, these included multifunctional movement and pressure sensors [ 1 , 2 ], optoelectronic devices [ 3 , 4 , 5 ], and wearable electronic devices [ 6 , 7 , 8 ]. However, these plastic products required several hundred years to fully decay into the soil [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide

et al. 2022

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Starch-based biodegradable foams with a high starch content are developed using industrial starch as the base material and supercritical CO2 as blowing or foaming agents. The superior cushioning properties of these foams can lead to competitiveness in the market. Despite this, a weak melting strength property of starch is not sufficient to hold the foaming agents within it. Due to the rapid diffusion of foaming gas into the environment, it is difficult for starch to maintain pore structure in starch foams. Therefore, producing starch foam by using supercritical CO2 foaming gas faces severe challenges. To overcome this, we have synthesized thermoplastic starch (TPS) by dispersing starch into water or glycerin. Consecutively, the TPS surface was modified by compatibilizer silane A (SA) to improve the dispersion with poly(butylene adipate-co-terephthalate) (PBAT) to become (TPS with SA)/PBAT composite foam. Furthermore, the foam-forming process was optimized by varying the ratios of TPS and PBAT under different forming temperatures of 85 °C to 105 °C, and two different pressures, 17 Mpa and 23 Mpa were studied in detail. The obtained results indicate that the SA surface modification on TPS can influence the great compatibility with PBAT blended foams (foam density: 0.16 g/cm3); whereas unmodified TPS and PBAT (foam density: 0.349 g/cm3) exhibit high foam density, rigid foam structure, and poor tensile properties. In addition, we have found that the 80% TPS/20% PBAT foam can be achieved with good flexible properties. Because of this flexibility, lightweight and environment-friendly nature, we have the opportunity to resolve the strong demands from the packing market.

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“…Yan Liu et al [ 12 ] and Fei Han et al [ 13 ] reviewed the advances in flexible strain sensors, focusing on materials, mechanisms, applications, and manufacturing strategies. Few other reviews elucidate the progress in this type of sensor from the angle of filling elements, i.e., carbon-based nanomaterials [ 14 ], metal nanowires [ 15 ], and conducting polymers [ 16 ]. Further, there are review articles giving insights into AgNW-based composites, with a focus on fabrication methods and typical applications [ 17 , 18 ], properties [ 19 ], and specific applications, such as optoelectronics [ 20 ], energy devices [ 21 ], organic electronics [ 22 ], and flexible electronics [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

Silver Nanowires in Stretchable Resistive Strain Sensors

Raman

Sankar

2022

Nanomaterials

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Silver nanowires (AgNWs), having excellent electrical conductivity, transparency, and flexibility in polymer composites, are reliable options for developing various sensors. As transparent conductive electrodes (TCEs), AgNWs are applied in optoelectronics, organic electronics, energy devices, and flexible electronics. In recent times, research groups across the globe have been concentrating on developing flexible and stretchable strain sensors with a specific focus on material combinations, fabrication methods, and performance characteristics. Such sensors are gaining attention in human motion monitoring, wearable electronics, advanced healthcare, human-machine interfaces, soft robotics, etc. AgNWs, as a conducting network, enhance the sensing characteristics of stretchable strain-sensing polymer composites. This review article presents the recent developments in resistive stretchable strain sensors with AgNWs as a single or additional filler material in substrates such as polydimethylsiloxane (PDMS), thermoplastic polyurethane (TPU), polyurethane (PU), and other substrates. The focus is on the material combinations, fabrication methods, working principles, specific applications, and performance metrics such as sensitivity, stretchability, durability, transparency, hysteresis, linearity, and additional features, including self-healing multifunctional capabilities.

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Recent Progress in Conducting Polymer Composite/Nanofiber-Based Strain and Pressure Sensors

Cited by 53 publications

References 252 publications

Flexible Sensors Based on Conductive Polymers

Flexible Sensors Based on Conductive Polymers

Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide

Silver Nanowires in Stretchable Resistive Strain Sensors

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