基于螺旋状聚二甲基硅氧烷的超灵敏、超拉伸金属裂纹应变传感器。

IF 2.6 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Beilstein Journal of Nanotechnology Pub Date : 2024-03-01 eCollection Date: 2024-01-01 DOI:10.3762/bjnano.15.25
Shangbi Chen, Dewen Liu, Weiwei Chen, Huajiang Chen, Jiawei Li, Jinfang Wang
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引用次数: 0

摘要

大多数裂纹传感器都无法同时提供显著的拉伸性和超高的灵敏度。在本研究中,我们提出了一种简单、经济的方法来制造金属裂纹传感器,这种传感器在超高灵敏度和超高拉伸性方面表现出卓越的性能。具体方法是通过建模工艺在基底中加入螺旋结构,然后通过溅射沉积在聚二甲基硅氧烷基底上沉积一层金薄膜。然后预先拉伸金属薄膜以产生微裂缝。该传感器具有 300% 的出色拉伸性、最大测量系数达 107 的超高灵敏度、158 毫秒的快速响应时间、最小的滞后性和出色的耐用性。这些令人印象深刻的特性归功于对几何结构的精心设计和对传感材料连接类型的谨慎选择,从而为制造可拉伸、高灵敏度的裂纹应变传感器提供了一种新方法。这项工作为构建具有高灵敏度和可拉伸性的应变传感器提供了一个通用平台,对开发下一代实用软电子器件具有深远的意义和影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Ultrasensitive and ultrastretchable metal crack strain sensor based on helical polydimethylsiloxane.

The majority of crack sensors do not offer simultaneously both a significant stretchability and an ultrahigh sensitivity. In this study, we present a straightforward and cost-effective approach to fabricate metal crack sensors that exhibit exceptional performance in terms of ultrahigh sensitivity and ultrahigh stretchability. This is achieved by incorporating a helical structure into the substrate through a modeling process and, subsequently, depositing a thin film of gold onto the polydimethylsiloxane substrate via sputter deposition. The metal thin film is then pre-stretched to generate microcracks. The sensor demonstrates a remarkable stretchability of 300%, an exceptional sensitivity with a maximum gauge factor reaching 107, a rapid response time of 158 ms, minimal hysteresis, and outstanding durability. These impressive attributes are attributed to the deliberate design of geometric structures and careful selection of connection types for the sensing materials, thereby presenting a novel approach to fabricating stretchable and highly sensitive crack-strain sensors. This work offers a universal platform for constructing strain sensors with both high sensitivity and stretchability, showing a far-reaching significance and influence for developing next-generation practically applicable soft electronics.

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来源期刊
Beilstein Journal of Nanotechnology
Beilstein Journal of Nanotechnology NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
5.70
自引率
3.20%
发文量
109
审稿时长
2 months
期刊介绍: The Beilstein Journal of Nanotechnology is an international, peer-reviewed, Open Access journal. It provides a unique platform for rapid publication without any charges (free for author and reader) – Platinum Open Access. The content is freely accessible 365 days a year to any user worldwide. Articles are available online immediately upon publication and are publicly archived in all major repositories. In addition, it provides a platform for publishing thematic issues (theme-based collections of articles) on topical issues in nanoscience and nanotechnology. The journal is published and completely funded by the Beilstein-Institut, a non-profit foundation located in Frankfurt am Main, Germany. The editor-in-chief is Professor Thomas Schimmel – Karlsruhe Institute of Technology. He is supported by more than 20 associate editors who are responsible for a particular subject area within the scope of the journal.
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