A breathable and reliable thermoplastic polyurethane/Ag@K2Ti4O9 composite film with an asymmetrical porous structure for wearable piezoresistive sensors

Chen, Ziwei; Wang, Mingxu; Zhang, Chenyang; Wei, Zhongrui; Wang, Yuhang; Gao, Chunxia; Zhu, Jiadeng; Gao, Jiefeng; Shen, Ming; Gao, Qiang

doi:10.1039/d2tc02611b

Cited by 12 publications

(6 citation statements)

References 49 publications

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“…1-4(g)), while the conductivity increased from "1.3 S/m" to 12.5 S/m. [25] The conductivity of dopamine-Fe-polyacrylic acid hydrogel increased with increasing Fe 3+ content and reached the highest value of 38 S/m (Fig. 1-4(h)).…”

Section: Tunable Conductivitymentioning

confidence: 87%

Fully biofriendly, biodegradable and recyclable hydrogels based on covalent-like hydrogen bond engineering towards multimodal transient electronics

Wang

et al. 2023

Chemical Engineering Journal

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Section: Tunable Conductivitymentioning

confidence: 87%

Fully biofriendly, biodegradable and recyclable hydrogels based on covalent-like hydrogen bond engineering towards multimodal transient electronics

Wang

et al. 2023

Chemical Engineering Journal

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“…Phase separation is another popular strategy for the fabrication of permeable electronics with porous structures . For example, Chen et al fabricated a permeable piezoresistive pressure sensor by the non-solvent-induced phase separation of a TPU/Ag@K 2 Ti 4 O 9 precursor (Figure C). The as-prepared porous structure showed a good sensitivity of 0.127 kPa –1 over a wide pressure range of 5–100 kPa.…”

Section: Strategies To Realize Permeable Electronicsmentioning

confidence: 99%

Permeable Bioelectronics toward Biointegrated Systems

Lee,

Liang,

Kim

et al. 2024

Chem. Rev.

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Bioelectronics integrates electronics with biological organs, sustaining the natural functions of the organs. Organs dynamically interact with the external environment, managing internal equilibrium and responding to external stimuli. These interactions are crucial for maintaining homeostasis. Additionally, biological organs possess a soft and stretchable nature; encountering objects with differing properties can disrupt their function. Therefore, when electronic devices come into contact with biological objects, the permeability of these devices, enabling interactions and substance exchanges with the external environment, and the mechanical compliance are crucial for maintaining the inherent functionality of biological organs. This review discusses recent advancements in soft and permeable bioelectronics, emphasizing materials, structures, and a wide range of applications. The review also addresses current challenges and potential solutions, providing insights into the integration of electronics with biological organs.

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“…It is worth noting that the nanoporous cellulose acetate layer introduces the passive cooling feature, while the nanoparticle/PDMS layer functioning as a superhydrophobic layer provides excellent waterproofness. Furthermore, a breathable, flexible substrate made of thermoplastic PU film proposed by Ziwei Chen et al [ 53 ] is shown in Figure 2 d. Their prepared porous membrane possesses a graded pore size distribution and can therefore exhibit high air permeability. At the same time, through integrating with Ag@K 2 Ti 4 O 9 , this substrate has enhanced sensitivity as a piezoresistive substrate.…”

Section: Nanomaterial-enabled Wearable Electronicsmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Recent Advances in Nanomaterials Used for Wearable Electronics

Yang

Ren

et al. 2023

Micromachines

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In recent decades, thriving Internet of Things (IoT) technology has had a profound impact on people’s lifestyles through extensive information interaction between humans and intelligent devices. One promising application of IoT is the continuous, real-time monitoring and analysis of body or environmental information by devices worn on or implanted inside the body. This research area, commonly referred to as wearable electronics or wearables, represents a new and rapidly expanding interdisciplinary field. Wearable electronics are devices with specific electronic functions that must be flexible and stretchable. Various novel materials have been proposed in recent years to meet the technical challenges posed by this field, which exhibit significant potential for use in different wearable applications. This article reviews recent progress in the development of emerging nanomaterial-based wearable electronics, with a specific focus on their flexible substrates, conductors, and transducers. Additionally, we discuss the current state-of-the-art applications of nanomaterial-based wearable electronics and provide an outlook on future research directions in this field.

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A breathable and reliable thermoplastic polyurethane/Ag@K₂Ti₄O₉ composite film with an asymmetrical porous structure for wearable piezoresistive sensors

Abstract: High sensitivity and long-term comfortability are of extreme significance to wearable tactile sensors. However, how to balance their trade-off is still a challenge. In addition to that, the management of...

Cited by 12 publications

References 49 publications

Fully biofriendly, biodegradable and recyclable hydrogels based on covalent-like hydrogen bond engineering towards multimodal transient electronics

Fully biofriendly, biodegradable and recyclable hydrogels based on covalent-like hydrogen bond engineering towards multimodal transient electronics

Permeable Bioelectronics toward Biointegrated Systems

Recent Advances in Nanomaterials Used for Wearable Electronics

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