4.8 Article

Biomimetic Hierarchically Silver Nanowire Interwoven MXene Mesh for Flexible Transparent Electrodes and Invisible Camouflage Electronics

期刊

NANO LETTERS
卷 22, 期 2, 页码 740-750

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.1c04185

关键词

flexible transparent electrodes; biomimetic; hierarchically interweave mesh; wearable optoelectronics; invisible camouflage electronics

资金

  1. Major Scientific and Technological Innovation Program of Shandong [2019JZZY010340]
  2. Key Research and Development Program of Shandong [20019GGX102022]
  3. Postdoctoral Science Foundation of China [2020M671994]
  4. Natural Science Foundation of Shandong Province [ZR2020QE081]

向作者/读者索取更多资源

In this study, we developed a robust transparent conductive mesh with biomimetic interwoven structure to address the trade-off challenge in flexible transparent electrodes. The hierarchically self-assembled conductive mesh showed excellent optoelectronic properties, making it suitable for high-performance wearable optoelectronics and camouflage electronics.
Flexible transparent electrodes demand high transparency, low sheet resistance, as well as excellent mechanical flexibility simultaneously, however they still remain to be a great challenge due to trade-off effect. Herein, inspired by a hollow interconnected leaf vein, we developed robust transparent conductive mesh with biomimetic interwoven structure via hierarchically self-assembles silver nanowires interwoven metal carbide/nitride (MXene) sheets along directional microfibers. Strong interfacial interactions between plant fibers and conductive units facilitate hierarchically interwoven conductive mesh constructed orderly on flexible and lightweight veins while maintaining high transparency, effectively avoiding the trade-off effect between optoelectronic properties. The flexible transparent electrodes exhibit sheet resistance of 0.5 Omega sq(-1) and transparency of 81.6%, with a remarkably high figure of merit of 3523. In addition, invisible camouflage sensors are further successfully developed as a proof of concept that could monitor human body motion signals in an imperceptible state. The flexible transparent conductive mesh holds great potential in high-performance wearable optoelectronics and camouflage electronics.

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