Flexible, Transparent, and Conductive TiCT MXene-Silver Nanowire Films with Smart Acoustic Sensitivity for High-Performance Electromagnetic Interference Shielding.

Clicks: 335
ID: 107341
2020
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Abstract
Although flexible, transparent, and conductive materials are increasingly required for electromagnetic interference (EMI) shielding applications in foldable and wearable electronics, it remains a great challenge to achieve outstanding shielding performances while retaining high light transmittances. Herein, a multiscale structure optimization strategy is proposed to fabricate a transparent and conductive silver nanowire (AgNW) film with both high EMI shielding performance and high light transmittance by a scalable spray-coating technique. By decorating with a TiCT MXene coating, the connection and integrity of the AgNW network are greatly improved by welding the nanowire junctions. Compared to a neat AgNW film (21 dB) with the same AgNW density, the TiCT MXene-welded AgNW film shows a much higher EMI shielding performance (34 dB) with better mechanical and environmental stabilities. Furthermore, the layered structure design on the macroscopic scale results in an even higher EMI shielding efficiency of 49.2 dB with a high light transmittance of ∼83%. With the TiCT MXene coating and the PET substrate as a triboelectric pair, the layered structure offers great flexibility for the transparent film to integrate smart sound monitoring capability. Therefore, the combination of excellent EMI shielding performance, high light transmittance, and sensitive pressure response makes the TiCT MXene-welded AgNW films promising for many potential applications in next-generation electronics.
Reference Key
chen2020flexibleacs Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chen, Wei;Liu, Liu-Xin;Zhang, Hao-Bin;Yu, Zhong-Zhen;
Journal acs nano
Year 2020
DOI
10.1021/acsnano.0c01635
URL
Keywords
silver nanowires electromagnetic interference shielding transparency mxene sheets acoustic sensitivity

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