Flexible thin film thermocouples: From structure, material, fabrication to application

Zhang, Zhongkai; Liu, Zhaojun; Lei, Jiaming; Chen, L.; Li, Le; Zhao, Ning; Fang, Xudong; Ruan, Yijun; Tian, Bian; Zhao, Libo

doi:10.1016/j.isci.2023.107303

iScience

2023

DOI: 10.1016/j.isci.2023.107303

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Flexible thin film thermocouples: From structure, material, fabrication to application

Zhongkai Zhang¹,

Zhaojun Liu²,

Jiaming Lei³

et al.

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Cited by 11 publications

References 114 publications

(241 reference statements)

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Stretchable Multifunctional Polydimethylsiloxane Composites with Cage‐Like Conductive Architecture for Integrated Thermosensitive and Electromagnetic Interference Shielding Performance

Tian,

Qin,

et al. 2024

Adv Funct Materials

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High‐performance sensors with outstanding sensitivity, wide working range, and multifunctional properties are highly desirable in modern integrated smart wearable electronics. Herein, polydimethylsiloxane (PDMS)‐based stretchable pyroresistive sensors composed of tightly‐assembled silver nanowires (Ag NWs)‐encapsulated PDMS microspheres (PM) and expandable microspheres (EM) are fabricated. The synergistic cage‐like conductive network and EM endow the temperature sensor with tunable sensitivity (Max TCR: 27.4% °C−1), broad sensing range (25–85 °C), low perception limit (0.1 °C), and excellent anti‐interference ability. Interestingly, at elevated temperature field (> 90 °C), a remarkable conduction‐insulation transition is observed, which is employed to facilitate an early fire alarm system. In addition, the selectively distributed Ag NWs constructs segregated conductive pathways at an ultralow content (Pc = 0.014 vol%), leading to efficient electromagnetic interference shielding (40.0 dB). The underlying mechanism responsible for the observed superior thermosensation and EMI shielding performance is elucidated, and possible applications are demonstrated. Consequently, this work offers a novel strategy for the design of flexible, multifunctional pyroresistive sensors toward artificial intelligence and emerging wearable electronics.

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Stretchable Multifunctional Polydimethylsiloxane Composites with Cage‐Like Conductive Architecture for Integrated Thermosensitive and Electromagnetic Interference Shielding Performance

Tian,

Qin,

et al. 2024

Adv Funct Materials

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Organic Flexible Electronics for Innovative Applications in Electronic Skin

Liu,

Li,

Tao

et al. 2024

Adv Materials Technologies

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The emergence of cutting‐edge cross‐disciplines has motivated the rapid development of wearable technology and flexible electronics. The flexibility and tunable properties of organic materials enable organic flexible electronics to adapt to complex surface deformations and achieve sensitive detection of physiological signals. The cost‐effectiveness of organic materials in mass production offers additional possibilities for the practical and commercialization of e‐skin technology. However, how to ensure stability and long‐term reliability while maintaining a highly sensitive, flexible, and stretchable is a challenge for e‐skins. In this review, the research progress and development trend of e‐skin is systematically summarized, especially the latest breakthroughs and innovations in the frontier of organic flexible electronics, and systematically review the applications of e‐skin in sensors, physiological monitoring, and energy supply. In addition, the review further discusses the prospects and current challenges for the application of organic flexible electronics in e‐skin, which provides a one‐stop reference for the development of e‐skin.

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Design and fabrication of metal spherical conformal thin film multisensor for high-temperature environment

XU,

ZHOU,

HUANG

et al. 2024

Chinese Journal of Aeronautics

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Flexible thin film thermocouples: From structure, material, fabrication to application

Cited by 11 publications

References 114 publications

Stretchable Multifunctional Polydimethylsiloxane Composites with Cage‐Like Conductive Architecture for Integrated Thermosensitive and Electromagnetic Interference Shielding Performance

Stretchable Multifunctional Polydimethylsiloxane Composites with Cage‐Like Conductive Architecture for Integrated Thermosensitive and Electromagnetic Interference Shielding Performance

Organic Flexible Electronics for Innovative Applications in Electronic Skin

Design and fabrication of metal spherical conformal thin film multisensor for high-temperature environment

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