Flexible Transparent Electrode and Capacitance Sensor Based on Bionic-MXene Fiber Conductive Network

Qiang Fan; Jin-lei Miao; Xu-hua Liu; Xing-wei Zuo; Wen-xiao Zhang; Ming-wei Tian; Shi-feng Zhu; Li-jun Qu

doi:10.11777/j.issn1000-3304.2021.21324

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Flexible Transparent Electrode and Capacitance Sensor Based on Bionic-MXene Fiber Conductive Network

Research Article | 更新时间：2024-10-08

- Flexible Transparent Electrode and Capacitance Sensor Based on Bionic-MXene Fiber Conductive Network
- ACTA POLYMERICA SINICA Vol. 53, Issue 6, Pages: 617-625(2022)
- 作者机构：
  
  青岛大学纺织服装学院青岛 266071
- 作者简介：
  
  Jin-lei Miao, E-mail: jinleimiao@qdu.edu.cn
  Li-jun Qu, E-mail: lijunqu@qdu.edu.cn
- 基金信息：
- DOI：10.11777/j.issn1000-3304.2021.21324
  CLC：
- Published：20 June 2022，
  
  Published Online：23 February 2022，
  
  Received：28 October 2021，
  
  Accepted：27 December 2021
- 稿件说明：
移动端阅览
范强,苗锦雷,刘旭华等.基于仿生MXene纤维导电网络的柔性透明电极及电容传感器[J].高分子学报,2022,53(06):617-625.

Fan Qiang,Miao Jin-lei,Liu Xu-hua,et al.Flexible Transparent Electrode and Capacitance Sensor Based on Bionic-MXene Fiber Conductive Network[J].ACTA POLYMERICA SINICA,2022,53(06):617-625.
范强,苗锦雷,刘旭华等.基于仿生MXene纤维导电网络的柔性透明电极及电容传感器[J].高分子学报,2022,53(06):617-625. DOI： 10.11777/j.issn1000-3304.2021.21324.

Fan Qiang,Miao Jin-lei,Liu Xu-hua,et al.Flexible Transparent Electrode and Capacitance Sensor Based on Bionic-MXene Fiber Conductive Network[J].ACTA POLYMERICA SINICA,2022,53(06):617-625. DOI： 10.11777/j.issn1000-3304.2021.21324.

摘要

为了开发具有优良性能的智能伪装隐身器件，使用预模板法制备了柔性透明电极. 以叶脉纤维为预模板，在其表面沉积金属碳化物/氮化物(MXene)，从而开发了具有透明有序导电网络结构的透明电极. 叶脉表面的羟基基团与导电材料的表面活性基团的相互作用极大地提高了导电材料与基底的表面结合力. 此柔性透明电极在透光率为80.6%时，方阻为11.4 Ω/sq，有效地避免了光电特性之间的“权衡”效应，且在1000次弯曲循环下电阻几乎保持不变，具备良好的耐久性和稳定性. 将此透明电极成功制备透明电容式传感器，其灵敏度可达0.09 kPa

-1

，且在1000次循环之后相对电容基本保持不变，具有出色的传感性能和耐久性，可以在人难以察觉的状态下监测人体运动信号. 此柔性透明电极和透明电容传感器在可穿戴伪装电子领域具有巨大潜力.

Abstract

With the continuous development of intelligent wearable devices

flexible electronic products that can perform intelligent camouflage and stealth have attracted more and more attention

among which flexible transparent electrodes play an increasingly important role in the field of intelligent camouflage and stealth devices. Biomimetic to nature is an ideal choice to self-assemble micro-units into macro-structure assembly. In nature

most leaf veins have hierarchical interconnected structures. These different levels of veins form an interconnected interwoven network structure. In order to develop intelligent camouflage devices with excellent performance

the flexible transparent electrodes were prepared by pretemplate method inspired by leaf veins. The transparent electrodes were developed with a transparent conductive mesh structure by self-assembling metal carbide/nitride (MXene) on the surface of the vein fibers. The interaction between the hydroxyl groups on the surfaceof the veins and the active groups on the surface of the conductive material greatly improves the surface bonding strength of the conductive material and the substrate. While maintaining high transparency

the transparent electrode induces MXene t

o evenly construct ordered conductive network on the flexible vein

effectively avoiding the "trade off" effect between photoelectric characteristics

and has excellent stability and durability. The FTEs with a sheet resistance of 11.4 Ω/sq

a transmittance of 80.6%

have excellent mechanical flexibility with a negligible increase in sheet resistance even under 1000 cyclic bending tests. The transparent capacitive sensor was successfully prepared with the transparent electrode

with the sensitivity up to 0.09 kPa

-1

and the relative capacitance remains essentially unchanged after 1000 cycles. The transparent capacitance sensor has good pressure detection and non-contact monitoring function. As an intelligent stealth camouflage electronic device

it has excellent sensing performance and stability

and can monitor human movement signals in an imperceptible state. The flexible transparent electrode and transparent capacitive sensor possess great potential in the field of smart wearables and wearable camouflage electronics.

关键词

柔性透明电极有序导电网络柔性透明电容传感器智能隐形伪装运动监测

Keywords

Flexible transparent electrodeOrdered conductive networkFlexible transparent capactive sensorIntelligent invisibility camouflageMovement monitoring

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