2018
DOI: 10.1002/admt.201800248
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Stretchable CNTs‐Ecoflex Composite as Variable‐Transmittance Skin for Ultrasensitive Strain Sensing

Abstract: over broad pressure regimes. Additionally, such novel sensors have found many potential technological applications, such as in wearable devices, [20] physiological body sensors, [21] electronic skin, and smart robotics, etc. [22,23] Based on various optical features, a large variety of flexible sensor devices have been fabricated and investigated recently. Javey and co-workers reported about the user-interactive e-skin that provided an instantaneous visual signal through an active-matrix organic light-emitting… Show more

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Cited by 37 publications
(18 citation statements)
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“…It is a vital parameter to analyze the stability and predict corresponding status of the flexible sensor. However, most of resistive-type strain sensors show nonlinearity due to the unsynchronized inside structures changes, such as graphene, [ 70 ] CNTs, [ 71 ] and silver NWs- (AgNWs) [ 72 ] based composites. On the contrary, excellent linearity is commonly expressed on capacitive-type sensors but with low sensitivity [ 73 ].…”
Section: Critical Parameters Of Strain Sensorsmentioning
confidence: 99%
“…It is a vital parameter to analyze the stability and predict corresponding status of the flexible sensor. However, most of resistive-type strain sensors show nonlinearity due to the unsynchronized inside structures changes, such as graphene, [ 70 ] CNTs, [ 71 ] and silver NWs- (AgNWs) [ 72 ] based composites. On the contrary, excellent linearity is commonly expressed on capacitive-type sensors but with low sensitivity [ 73 ].…”
Section: Critical Parameters Of Strain Sensorsmentioning
confidence: 99%
“…Wearable and flexible stretch-sensors become emerging sectors for healthcare applications, cf. [9,10,11,12,13,14]. Furthermore, actuating materials in soft robotics and flexible rubber-like materials for energy harvesting from ambient motions such as human walking and ocean and tidal waves are also current areas of active research where appropriate soft and flexible materials have great demands [15,16].…”
Section: Introductionmentioning
confidence: 99%
“…Such composite sensors showed a low electrical percolation threshold of 0.3 wt%, with an elastic modulus as soft as the human skin in the forearm and palm dermis. More works in the area of stretch-based sensors using Ecoflex as a matrix material are due to Jiang et al [14], Kim et al [12], Lee et al [13]. Another important application of Ecoflex is related to tissue biomechanics.…”
Section: Introductionmentioning
confidence: 99%
“…The flexibility and low Young's moduli of the incorporated elastic materials could effectively provide stretchability for the resulting sensors. To date, various elastic materials have been designed into stretchable sensors such as silicone rubber, [75] epoxy, [76] poly (methyl methacrylate) (PMMA), [9] and polycarbonate (PC)-urethane resin. [31] It is noteworthy that the strain sensors based on aligned CNT sheets normally delivered higher strain endurances compared with those from CNT network films, as shown in Table 1.…”
Section: F I G U R Ementioning
confidence: 99%