A Printed Microscopic Universal Gradient Interface for Super Stretchable Strain-Insensitive Bioelectronics

doi:10.1002/adma.202414203

2025-02-09

Xiangfeng Duan (Xiangfeng Duan)

Yanliang Zhang

DOI：10.1002/adma.202414203

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摘要

En 中文

可适应非平面和动态人体表面的可拉伸电子器件对于创建用于高保真监测多种生理信号的可植入和贴肤设备至关重要。尽管已开发出多种制造可拉伸器件的策略，但此类设备收集的信号通常对局部应变高度敏感，导致不可避免地与由表面应变引起的运动伪影卷积，这些伪影难以与固有生理信号区分。本文报道了一种采用独特的通用梯度界面（UGI）的全印刷超可拉伸应变不敏感生物电子器件，以弥合软性生物材料与刚性电子材料之间的差距。利用一种通用的气溶胶基多材料印刷技术，该技术允许对局部刚度进行亚微米分辨率的精确空间控制，UGI实现了在180%的轴向拉伸比下电阻变化可忽略的应变不敏感电子器件。各种可拉伸器件直接印刷在UGI上，用于高信号质量且近乎完美抗运动伪影的贴肤健康监测，包括用于检测血氧饱和度水平的半导体基光电探测器以及金属基温度传感器。本工作的概念将显著简化制造并加速各类可穿戴和可植入生物电子器件的发展，用于实时健康监测和个性化治疗。

Keyword:

3D printing

stretchable bioelectronics

universal gradient interface

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期刊

Advanced Materials

IF:

26.8

论文数:

3.5W

被引数:

46.0W

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