Engineering Nanocracks Enabled Soft Micro-Wrinkles with Anomalous Strain-Resistance Effect for Underwater Electronics.

IF 9.1 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-09-29 DOI:10.1021/acs.nanolett.5c04037

Shan Li,Peng Xiao,Jiehan Lin,Jiayi Wu,Xiaoting Zhang,Juan Li,Tao Chen

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引用次数: 0

Abstract

Elastic wrinkle-based sensors are generally based on a typical positive gauge-factor mechanism, which inevitably suffers from issues of high power consumption and the heat of current-typed devices. Herein, an interfacial interlocked soft-hard elastomeric wrinkle is designed for stretchable negative resistance electronics. The hard CNTs/PDMS elastomeric film is cross-linked in situ on the prestretched soft elastomer surface, allowing the formation of wrinkles after strain release. The achieved wrinkle-based sensor presents the negative resistance correlation with a strain responsive range from 0% to 90% and shows a long-term electrical stability (5000 cycles) and wide operating frequency (0.01-1.0 Hz) in the water environment. As a demonstration, the sensor is further used as wearable electronics for humans and swimming robots to sensitively monitor the underwater motion behaviors. Moreover, the sensory flexible grippers are integrated to realize real-time biometric tracking and retrieval, demonstrating the potential of underwater integrated electronics with low energy consumption and accessible circuit design.

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工程纳米裂纹使水下电子器件具有异常抗应变效应的软微皱。

基于弹性起皱的传感器通常基于典型的正测量因子机制，这不可避免地受到高功耗和电流型器件发热的问题的困扰。本文设计了一种用于可拉伸负电阻电子器件的界面互锁软-硬弹性褶皱。坚硬的CNTs/PDMS弹性体膜在预拉伸的软弹性体表面原位交联，允许在应变释放后形成皱褶。所获得的基于皱纹的传感器在0%至90%的应变响应范围内呈现负电阻相关，并且在水环境中表现出长期的电稳定性（5000次循环）和宽的工作频率（0.01-1.0 Hz）。作为演示，该传感器进一步用作人类和游泳机器人的可穿戴电子设备，以灵敏地监测水下运动行为。此外，还集成了传感柔性夹具，实现了实时生物特征跟踪和检索，展示了低能耗、易访问电路设计的水下集成电子技术的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.