化工进展 ›› 2024, Vol. 43 ›› Issue (9): 4970-4979.DOI: 10.16085/j.issn.1000-6613.2023-1343

• 材料科学与技术 • 上一篇    

基于激光诱导石墨烯的应变传感器研究进展

慕铭1,2(), 赵伟伟2(), 陈光孟2, 刘小青2()   

  1. 1.宁波大学材料科学与化学工程学院,浙江 宁波 315211
    2.中国科学院宁波材料技术与工程研究所,浙江 宁波 315201
  • 收稿日期:2023-08-07 修回日期:2023-09-08 出版日期:2024-09-15 发布日期:2024-09-30
  • 通讯作者: 赵伟伟,刘小青
  • 作者简介:慕铭(1998—),女,硕士研究生,研究方向为树脂基碳材料。E-mail:muming@nimte.ac.cn
  • 基金资助:
    国家自然科学基金(U1909220);中国科学院宁波材料技术与工程研究所所长基金(2022SZKY0311)

Research progress of strain sensor based on laser-induced graphene

MU Ming1,2(), ZHAO Weiwei2(), CHEN Guangmeng2, LIU Xiaoqing2()   

  1. 1.School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, Zhejiang, China
    2.Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang, China
  • Received:2023-08-07 Revised:2023-09-08 Online:2024-09-15 Published:2024-09-30
  • Contact: ZHAO Weiwei, LIU Xiaoqing

摘要:

激光诱导石墨烯(LIG)是通过激光直接照射碳前体得到的一种三维多孔石墨烯材料。凭借制备过程简单、可任意图案化、价廉质优等优势,LIG在柔性应变传感器领域受到极大关注,已广泛应用于医疗健康、运动监测、人机交互等领域。本文着重介绍了LIG的制备工艺,激光参数、碳前体及掺杂改性等影响其结构-性能的因素,以及LIG在柔性应变传感器应用的最新进展,其中激光参数包括激光功率和扫描速率、图像密度、焦距及气氛环境;碳前体包括芳香族聚合物和天然材料;掺杂改性包括原位掺杂和后处理掺杂。指出开发生物兼容性高、可降解的碳前体是电子产品可再生性和可持续性的重要需求,大变形、快响应是LIG基柔性可穿戴传感器的探索目标,多功能传感集成是LIG基柔性可穿戴传感器的发展趋势。

关键词: 电子材料, 复合材料, 纳米结构, 激光诱导石墨烯, 应变传感器

Abstract:

Laser induced graphene (LIG) is a three-dimensional porous graphene material obtained by direct laser irradiation of carbon precursors. With the advantages of simple preparation process, arbitrary patterning, low cost and high quality, LIG has received great attention in the field of flexible strain sensors, and has been widely used in medical health, motion monitoring, human-computer interaction and other fields. In this paper, the preparation process of LIG, the structure-properties influence factors of laser parameters, carbon precursors and doping modification, and the latest development of LIG application in flexible strain sensors were introduced. The laser parameters included laser power and scanning rate, image density, focal length and atmosphere. Carbon precursors included aromatic polymers and natural materials. Doping modification included in-situ doping and post-treatment doping. It was pointed out that the development of biocompatible and biodegradable carbon precursors was an important requirement for the renewability and sustainability of electronic products. Furthermore, large deformation and fast response were the exploration goals of LIG flexible wearable sensors, and multi-functional sensor integration was the development trend of LIG flexible wearable sensors.

Key words: electronic materials, composites, nanostructure, laser-induced graphene, strain sensor

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