Healable, Transparent, Roomerature Electronic Sensors Based on Carbon Nanotube Network-Coated Polyelectrolyte Multilayers

Shouli Bai, Chaozheng Sun, Hong Yan, Xiaoming Sun*, Han Zhang, Liang Luo, Xiaodong Lei, Pengbo Wan, Xiaodong Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

150 Citations (Scopus)

Abstract

Transparent and conductive film based electronics have attracted substantial research interest in various wearable and integrated display devices in recent years. The breakdown of transparent electronics prompts the development of transparent electronics integrated with healability. A healable transparent chemical gas sensor device is assembled from layer-by-layer-assembled transparent healable polyelectrolyte multilayer films by developing effective methods to cast transparent carbon nanotube (CNT) networks on healable substrates. The healable CNT network-containing film with transparency and superior network structures on self-healing substrate is obtained by the lateral movement of the underlying self-healing layer to bring the separated areas of the CNT layer back into contact. The as-prepared healable transparent film is assembled into healable transparent chemical gas sensor device for flexible, healable gas sensing at room temperature, due to the 1D confined network structure, relatively high carrier mobility, and large surface-to-volume ratio. The healable transparent chemical gas sensor demonstrates excellent sensing performance, robust healability, reliable flexibility, and good transparency, providing promising opportunities for developing flexible, healable transparent optoelectronic devices with the reduced raw material consumption, decreased maintenance costs, improved lifetime, and robust functional reliability.

Original languageEnglish
Pages (from-to)5807-5813
Number of pages7
JournalSmall
Volume11
Issue number43
DOIs
Publication statusPublished - Nov 18 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

ASJC Scopus Subject Areas

  • Biotechnology
  • Biomaterials
  • General Chemistry
  • General Materials Science

Keywords

  • gas sensors
  • self-healing
  • sensors, layer-by-layer assembly
  • supramolecular materials
  • transparent conducting films

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