Mechanically Flexible Conductors for Stretchable and Wearable E‐Skin and E‐Textile Devices DOI
Binghao Wang, Antonio Facchetti

Advanced Materials, Journal Year: 2019, Volume and Issue: 31(28)

Published: May 20, 2019

Considerable progress in materials development and device integration for mechanically bendable stretchable optoelectronics will broaden the application of "Internet-of-Things" concepts to a myriad new applications. When addressing needs associated with human body, such as detection mechanical functions, monitoring health parameters, tissues, optoelectronic devices, interconnects/circuits enabling their core passive components from which whole system is built must sustain different degrees stresses. Herein, basic characteristics performance several these devices are reported, particularly focusing on conducting element constituting them. Among strain sensors types, energy storage elements, power/energy generators included. Specifically, advances during past 3 years wherein flexible elements fabricated (0D, 1D, 2D) nanomaterials metals (e.g., Au nanoparticles, Ag flakes, Cu nanowires), carbon nanotubes/nanofibers, 2D conductors graphene, MoS2 ), metal oxides Zn nanorods), polymers poly(3,4-ethylenedioxythiophene):poly(4-styrene sulfonate), polyaniline) combination fibrotic elastomeric enabling, after integration, so-called electronic skins textiles.

Language: Английский

Microstructured Porous Pyramid-Based Ultrahigh Sensitive Pressure Sensor Insensitive to Strain and Temperature DOI
Jun Chang Yang, Jin‐Oh Kim, Jinwon Oh

et al.

ACS Applied Materials & Interfaces, Journal Year: 2019, Volume and Issue: 11(21), P. 19472 - 19480

Published: May 6, 2019

An ultrahigh sensitive capacitive pressure sensor based on a porous pyramid dielectric layer (PPDL) is reported. Compared to that of the conventional layer, sensitivity was drastically increased 44.5 kPa-1 in range <100 Pa, an unprecedented for sensors. The enhanced attributed lower compressive modulus and larger change effective constant under pressure. By placing sensors islands hard elastomer embedded soft substrate, exhibited insensitivity strain. were also nonresponsive temperature. Finally, contact resistance-based demonstrated by chemically grafting PPDL with conductive polymer, which showed sensitivity.

Language: Английский

Citations

494

A Self‐Healable, Highly Stretchable, and Solution Processable Conductive Polymer Composite for Ultrasensitive Strain and Pressure Sensing DOI
Tao Wang, Ying Zhang, Qingchang Liu

et al.

Advanced Functional Materials, Journal Year: 2017, Volume and Issue: 28(7)

Published: Dec. 15, 2017

Abstract Mimicking human skin's functions to develop electronic skins has inspired tremendous efforts in design and synthesis of novel soft materials with simplified fabrication methods. However, it still remains a great challenge electronically conductive that are both stretchable self‐healable. Here is demonstrated ternary polymer composite comprised polyaniline, polyacrylic acid, phytic acid can exhibit high stretchability ( ≈ 500%) excellent self‐healing properties. The optimized composition shows an electrical conductivity 0.12 S cm −1 . On rupture, mechanical properties be restored 99% efficiency 24 h period, which enabled by the dynamic hydrogen bonding electrostatic interactions. It further shown this strain pressure sensitive, therefore used for fabricating sensors detect variety deformations ultrahigh sensitivity. sensitivity sensing range highest among all reported self‐healable piezoresistive even surpass most flexible sensors. Notably, prepared via solution casting process, potentially allows large‐area, low‐cost skins.

Language: Английский

Citations

478

Recent Progress in Flexible Tactile Sensors for Human‐Interactive Systems: From Sensors to Advanced Applications DOI
Soonjae Pyo, Jae Yong Lee, Kyubin Bae

et al.

Advanced Materials, Journal Year: 2021, Volume and Issue: 33(47)

Published: April 22, 2021

Abstract Flexible tactile sensors capable of measuring mechanical stimuli via physical contact have attracted significant attention in the field human‐interactive systems. The utilization information can complement vision and/or sound interaction and provide new functionalities. Recent advancements micro/nanotechnology, material science, technology resulted development high‐performance that reach even surpass sensing ability human skin. Here, important advances flexible over recent years are summarized, from sensor designs to system‐level applications. This review focuses on representative strategies based design configurations for improving key performance parameters including sensitivity, detection range/linearity, response time/hysteresis, spatial resolution/crosstalk, multidirectional force detection, insensitivity other stimuli. System‐level integration practical applications beyond conceptual prototypes promising applications, such as artificial electronic skin robotics prosthetics, wearable controllers electronics, bidirectional communication tools, also discussed. Finally, perspectives issues regarding further provided.

Language: Английский

Citations

453

Rehealable, fully recyclable, and malleable electronic skin enabled by dynamic covalent thermoset nanocomposite DOI Creative Commons
Zhanan Zou,

Chengpu Zhu,

Yan Li

et al.

Science Advances, Journal Year: 2018, Volume and Issue: 4(2)

Published: Feb. 2, 2018

Novel electronic skin is rehealable and 100% recyclable.

Language: Английский

Citations

452

Mechanically Flexible Conductors for Stretchable and Wearable E‐Skin and E‐Textile Devices DOI
Binghao Wang, Antonio Facchetti

Advanced Materials, Journal Year: 2019, Volume and Issue: 31(28)

Published: May 20, 2019

Considerable progress in materials development and device integration for mechanically bendable stretchable optoelectronics will broaden the application of "Internet-of-Things" concepts to a myriad new applications. When addressing needs associated with human body, such as detection mechanical functions, monitoring health parameters, tissues, optoelectronic devices, interconnects/circuits enabling their core passive components from which whole system is built must sustain different degrees stresses. Herein, basic characteristics performance several these devices are reported, particularly focusing on conducting element constituting them. Among strain sensors types, energy storage elements, power/energy generators included. Specifically, advances during past 3 years wherein flexible elements fabricated (0D, 1D, 2D) nanomaterials metals (e.g., Au nanoparticles, Ag flakes, Cu nanowires), carbon nanotubes/nanofibers, 2D conductors graphene, MoS2 ), metal oxides Zn nanorods), polymers poly(3,4-ethylenedioxythiophene):poly(4-styrene sulfonate), polyaniline) combination fibrotic elastomeric enabling, after integration, so-called electronic skins textiles.

Language: Английский

Citations

445