Selective Patterning of Conductive Elastomers Embedded With Silver Powders and Carbon Nanotubes for Stretchable Electronics

Shin, Gyowook; Lee, Sudong; Park, Yong‐Lae

doi:10.1109/lra.2022.3153707

Cited by 4 publications

(1 citation statement)

References 44 publications

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“…Even though chemically cross-linked elastomers, such as Eco-flex and polydimethylsiloxane (PDMS), have much smaller hysteresis loops than physically crosslinked elastomers, such as styrene-ethylene-butylene-styrene (SEBS) and thermoplastic polyurethane (TPU), they still suffer from poor performance during fast cycling stretching, especially with a high loading of conductive fillers. 13,21,[72][73][74] Most of the reported printed stretchable interconnects only delivered the stretching behavior at low strain rates, and the stretching rate-dependent property of printed nano/micro composite conductors has less been investigated. Elastomeric composite conductors still suffer from much more prominent resistance increases at a higher stretching speed, and this will affect the practical applications that undergo fast stretching speeds.…”

Section: Dysfunction Of the Stretchable Interconnectsmentioning

confidence: 99%

Reliability of printed stretchable electronics based on nano/micro materials for practical applications

Thangavel

Lee

2023

Nanoscale

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Section: Dysfunction Of the Stretchable Interconnectsmentioning

confidence: 99%

Reliability of printed stretchable electronics based on nano/micro materials for practical applications

Thangavel

Lee

2023

Nanoscale

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Stretchable glove for accurate and robust hand pose reconstruction based on comprehensive motion data

Park,

Park

et al. 2024

Nat Commun

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We propose a compact wearable glove capable of estimating both the finger bone lengths and the joint angles of the wearer with a simple stretch-based sensing mechanism. The soft sensing glove is designed to easily stretch and to be one-size-fits-all, both measuring the size of the hand and estimating the finger joint motions of the thumb, index, and middle fingers. The system was calibrated and evaluated using comprehensive hand motion data that reflect the extensive range of natural human hand motions and various anatomical structures. The data were collected with a custom motion-capture setup and transformed into the joint angles through our post-processing method. The glove system is capable of reconstructing arbitrary and even unconventional hand poses with accuracy and robustness, confirmed by evaluations on the estimation of bone lengths (mean error: 2.1 mm), joint angles (mean error: 4.16°), and fingertip positions (mean 3D error: 4.02 mm), and on overall hand pose reconstructions in various applications. The proposed glove allows us to take advantage of the dexterity of the human hand with potential applications, including but not limited to teleoperation of anthropomorphic robot hands or surgical robots, virtual and augmented reality, and collection of human motion data.

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Liquid-metal micro-networks with strain-induced conductivity for soft electronics and robotic skin

et al. 2022

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Thin-film devices made of room-temperature liquid metals (LMs) have contributed to the development of electronic skin for human-robot/machine interfaces but still have limitations, including degradations of performance and robustness under repeated deformations. In this paper, we describe an interesting phenomenon of the formation of LM microscale networks (LMMNs) and propose to use the LMMNs for fabricating thin-film conductors. A simple layer-by-layer (LBL) deposition process enables the growth of a hierarchical structure of LM microdroplets that forms a conductive network (i.e., LMMN) when stretched. The strain-history behavior of LMMNs allows conductivity enhancement up to 2.37 × 106 S m−1 in response to increased tensile strains. By adjusting the number of LM layers in LBL deposition, the gauge factor (0.2 ≤ GF ≤ 1), the linearity, and the sheet resistance of LMMN films can be easily controlled, providing high potentials in various applications, including skin-mountable circuits, energy harvesters, and soft artificial skin.

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Selective Patterning of Conductive Elastomers Embedded With Silver Powders and Carbon Nanotubes for Stretchable Electronics

Cited by 4 publications

References 44 publications

Reliability of printed stretchable electronics based on nano/micro materials for practical applications

Reliability of printed stretchable electronics based on nano/micro materials for practical applications

Stretchable glove for accurate and robust hand pose reconstruction based on comprehensive motion data

Liquid-metal micro-networks with strain-induced conductivity for soft electronics and robotic skin

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