Highly stretchable multi-walled carbon nanotube/thermoplastic polyurethane composite fibers for ultrasensitive, wearable strain sensors

He, Zuoli; Zhou, Gengheng; Byun, Joon‐Hyung; Lee, Sang-Kwan; Um, Moon‐Kwang; Park, Byeongjin; Kim, Tae-Hoon; Lee, Sang Bok; Chou, Tsu-Wei

doi:10.1039/c9nr01005j

Cited by 177 publications

(129 citation statements)

References 49 publications

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“…Sensors are widely used in daily life to detect external physical (e. g., light, heat, humidity, pressure, strain) and chemical signals [63] . Stretchable strain sensors have received intensive attention because of their potential applications, including human motion detection, health monitoring, wearable electronics, and soft robotic skin [90–99] …”

Section: Self‐healing Sensorsmentioning

confidence: 99%

Recent Progress in Self‐healing Materials for Sensor Arrays

Choa

2020

ChemNanoMat

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The recent development of diverse types of self‐healing materials promises increased material lifetimes, reduced replacement costs, and improved product safety in a wide variety of practical engineering applications. In particular, self‐healing materials provide advantages in electronic devices, conductors and sensors, as evidenced by their possible applications such as electronic skin, protectively conductive coating, adhesives, energy storage devices, aerospace, automobile, etc. To further the development of self‐healing materials for sensors and conductors, this review provides a summary of the current work. A short overview of self‐healing concepts and classification are presented, and some of the strengths and weaknesses of each type of self‐healing material are introduced and highlighted, in relation to various sensor applications. A perspective on self‐healing material approaches and development strategies using soft electronic technology is provided.

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Section: Self‐healing Sensorsmentioning

confidence: 99%

Recent Progress in Self‐healing Materials for Sensor Arrays

Choa

2020

ChemNanoMat

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“…Sensors composed of a foam substrate present an advantageous approach to fabricate strain and motion sensors with large elongation linearity. Strain sensors have been fabricated on polyurethane and PDMS substrates with a large strain range up to 150%.…”

Section: Other Fabrication Techniquesmentioning

confidence: 99%

“…Polyurethane fibers with a large surface area can be fabricated by mixing reagents in solvent and electrospinning the dispersion into a foam or as standalone fibers. As conductive fillers, several nanomaterials have been assembled onto polyurethane fibers, such as carbon black, MWCNTs, 2D transition metal carbide/carbonitride (MXene), graphene/PEDOT:poly(4‐styrenesulfonic acid) (PSS), and silver nanowires (AgNWs) …”

Section: Other Fabrication Techniquesmentioning

confidence: 99%

Fabrication and Patterning Methods of Flexible Sensors Using Carbon Nanomaterials on Polymers

Costa

Choi

2020

Advanced Intelligent Systems

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Flexible sensors composed of carbon nanostructures and elastic materials have been developed for healthcare monitoring, environmental monitoring, disposable biochemical or electrochemical sensors, and many other applications. Fabrication approaches for such sensors and their advantages and current issues related to patterning high-performance flexible sensors are reviewed. A focus is placed on patterning techniques for carbon-based flexible sensors including carbon nanotubes, graphene, and other carbon nanostructures. First, novel patterning techniques for nanomaterials are described, along with their current challenges. Next, emerging flexible sensors including humidity, temperature, strain, and pressure sensors are discussed. Finally, the challenges and perspectives for flexible sensors are addressed. REVIEW www.advintellsyst.com

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“…The growing demands in highly stretchable and deformable materials for use in human−machine interfaces [1] and human motion detectors [2] have motivated the development of highly sensitive stretchable strain and pressure sensors with high strain tolerance. Several stretchable strain sensors have been prepared using nanomaterials coupled with stretchable polymers [3][4][5][6][7][8][9]. Stretchable polymers such as poly (3, 4-ethylenedioxythophene) doped with poly (styrene sulfonic acid) (PEDOT:PSS) [3], thermoplastic polyurethane (TPU) [4], natural rubber [5], low density polyethylene (LDPE) [6], polydimethylsiloxane (PDMS) [7,8], and polyurethane (PU) [9] are generally selected as flexible matrix composites.…”

Section: Introductionmentioning

confidence: 99%

Stretchable and compressible strain sensors for gait monitoring constructed using carbon nanotube/graphene composite

Kumpika

Kantarak

Sriboonruang

et al. 2020

Mater. Res. Express

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Stretchable and compressible strain sensors play an essential role in various fields with uses ranging from automotive components to medical devices. This study reports on the fabrication and characteristics of stretchable strain and pressure sensors constructed using a carbon nanotube and graphene composite. The sensors were used for gait analysis, an important step in the diagnosis and management of movement disorders. The stretchable and compressible strain sensors were used to measure peak knee sagittal angles and forces under the feet when walking. Gait analysis is usually performed within a laboratory. However, in this research we propose a shift to gait assessments conducted via long-term daily monitoring using wearable devices.

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Highly stretchable multi-walled carbon nanotube/thermoplastic polyurethane composite fibers for ultrasensitive, wearable strain sensors

Abstract: In this manuscript, we report a novel highly sensitive wearable strain sensor based on a highly stretchable multi-walled carbon nanotube (MWCNT)/Thermoplastic Polyurethane (TPU) fiber obtained via a wet spinning process.

Cited by 177 publications

References 49 publications

Recent Progress in Self‐healing Materials for Sensor Arrays

Recent Progress in Self‐healing Materials for Sensor Arrays

Fabrication and Patterning Methods of Flexible Sensors Using Carbon Nanomaterials on Polymers

Stretchable and compressible strain sensors for gait monitoring constructed using carbon nanotube/graphene composite

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