Layer-by-Layer Assembly of Cross-Functional Semi-transparent MXene-Carbon Nanotubes Composite Films for Next-Generation Electromagnetic Interference Shielding

Guo Ming Weng, Jinyang Li, Mohamed Alhabeb, Christopher Karpovich, Hang Wang, Jason Lipton, Kathleen Maleski, Jaemin Kong, Evyatar Shaulsky, Menachem Elimelech, Yury Gogotsi, Andre Taylor

Research output: Contribution to journalArticle

Abstract

Lightweight, flexible, and electrically conductive thin films with high electromagnetic interference (EMI) shielding effectiveness are highly desirable for next-generation portable and wearable electronic devices. Here, spin spray layer-by-layer (SSLbL) to rapidly assemble Ti3C2Tx MXene-carbon nanotube (CNT) composite films is shown and their potential for EMI shielding is demonstrated. The SSLbL technique allows strategic combinations of nanostructured materials and polymers providing a rich platform for developing hierarchical architectures with desirable cross-functionalities including controllable transparency, thickness, and conductivity, as well as high stability and flexibility. These semi-transparent LbL MXene-CNT composite films show high conductivities up to 130 S cm−1 and high specific shielding effectiveness up to 58 187 dB cm2 g−1, which is attributed to both the excellent electrical conductivity of the conductive fillers (i.e., MXene and CNT) and the enhanced absorption with the LbL architecture of the films. Remarkably, these values are among the highest reported values for flexible and semi-transparent composite thin films. This work could offer new solutions for next-generation EMI shielding challenges.

Original languageEnglish (US)
Article number1803360
JournalAdvanced Functional Materials
Volume28
Issue number44
DOIs
StatePublished - Oct 31 2018

Fingerprint

Carbon Nanotubes
electromagnetic interference
Composite films
Signal interference
Shielding
shielding
Carbon nanotubes
assembly
carbon nanotubes
composite materials
sprayers
Thin films
conductivity
Conductive films
thin films
fillers
Nanostructured materials
Transparency
Fillers
flexibility

Keywords

  • carbon nanotubes
  • composite films
  • electromagnetic interference shielding
  • layer-by-layer assembly
  • MXene

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Layer-by-Layer Assembly of Cross-Functional Semi-transparent MXene-Carbon Nanotubes Composite Films for Next-Generation Electromagnetic Interference Shielding. / Weng, Guo Ming; Li, Jinyang; Alhabeb, Mohamed; Karpovich, Christopher; Wang, Hang; Lipton, Jason; Maleski, Kathleen; Kong, Jaemin; Shaulsky, Evyatar; Elimelech, Menachem; Gogotsi, Yury; Taylor, Andre.

In: Advanced Functional Materials, Vol. 28, No. 44, 1803360, 31.10.2018.

Research output: Contribution to journalArticle

Weng, GM, Li, J, Alhabeb, M, Karpovich, C, Wang, H, Lipton, J, Maleski, K, Kong, J, Shaulsky, E, Elimelech, M, Gogotsi, Y & Taylor, A 2018, 'Layer-by-Layer Assembly of Cross-Functional Semi-transparent MXene-Carbon Nanotubes Composite Films for Next-Generation Electromagnetic Interference Shielding', Advanced Functional Materials, vol. 28, no. 44, 1803360. https://doi.org/10.1002/adfm.201803360
Weng, Guo Ming ; Li, Jinyang ; Alhabeb, Mohamed ; Karpovich, Christopher ; Wang, Hang ; Lipton, Jason ; Maleski, Kathleen ; Kong, Jaemin ; Shaulsky, Evyatar ; Elimelech, Menachem ; Gogotsi, Yury ; Taylor, Andre. / Layer-by-Layer Assembly of Cross-Functional Semi-transparent MXene-Carbon Nanotubes Composite Films for Next-Generation Electromagnetic Interference Shielding. In: Advanced Functional Materials. 2018 ; Vol. 28, No. 44.
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