Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications,Advanced Electronic Materials

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Multifunctional Ultrastretchable Printed Soft Electronic Devices for Wearable Applications
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2019-11-13 , DOI: 10.1002/aelm.201900922
Bin Tian ₁ , Qun Liu ₁ , Chengsheng Luo ₁ , Yu Feng ₁ , Wei Wu ₁

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Multifunctionality is a major development trend in flexible stretchable wearable electronics, requiring integration of electrical conductivity, sensing performance, and heating management on a portable electronic device. Herein, the silver fractal dendrites (Ag FDs) conductive ink is formulated and deposited into the polystyrene–block–polyisoprene–block–polystyrene (SIS) thin films by a simple and cost‐effective transfer‐printing method for preparing the patterned multifunctional wearable electronics (MWEs). The MWEs based on Ag FDs ink‐38 wt% exhibit high electrical conductivity (4.86 × 10⁵ S m⁻¹), excellent sensing property (highly stretchability of 500% with a maximum gauge factor (GF) of 659.5), low‐voltage driving Joule heating performance (heated to 52.3 °C at 1 V), and good mechanical stability. As strain sensors, the MWEs have been successfully used to monitor the bending motion of the six major joints in the human body. As Joule heaters, the MWEs have been successfully used for thermochromism and hyperthermia. The developed MWEs prepared by a simple and low‐cost transfer‐printing possess highly promising application for next‐generation multifunctional and smart wearable electronics.

中文翻译：

适用于穿戴应用的多功能超拉伸印刷软电子设备

多功能性是柔性可拉伸可穿戴电子产品的主要发展趋势，需要在便携式电子设备上集成电导率，感测性能和加热管理。在本文中，银枝晶的分形（AG FDS）导电油墨被配制并沉积到聚苯乙烯-嵌段-polyisoprene-块-聚苯乙烯（SIS）薄膜的制备图案化的多官能的可佩戴电子设备的简单且成本有效的转移印刷方法（MWE）。基于Ag FDs油墨-38 wt％的MWE表现出高电导率（4.86×10 ⁵ S m ^-1），出色的感测性能（500％的高度可拉伸性，最大标称系数（GF）为659.5），低压驱动焦耳加热性能（在1 V下加热至52.3°C）和良好的机械稳定性。作为应变传感器，MWE已成功用于监测人体六个主要关节的弯曲运动。作为焦耳加热器，MWE已成功用于热致变色和热疗。通过简单且低成本的转移印花制备的已开发MWE在下一代多功能和智能可穿戴电子产品中具有广阔的应用前景。

更新日期：2020-02-13

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