Abstract
With the growing popularity in digital systems and electronic communication equipment, there is an urgent need to develop lightweight, green, and efficient electromagnetic interference (EMI) shielding materials to handle the increasingly serious problem of radiation pollution. Herein, Ti3C2Tx (MXene)/natural wood (NW) composites were prepared using a vacuum-pulse impregnation method and characterized by Fourier transform infrared (FTIR), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD) patterns, X-ray photoelectron spectroscopy (XPS) analysis, and EMI shielding performance. As demonstrated, Ti3C2Tx nanosheets were successfully inserted into wood matrices, and hydrogen bonding between Ti3C2Tx nanosheets and cellulose nanofibers induced the fabrication of Ti3C2Tx/NW composites. Ti3C2Tx/NW composites exhibited excellent EMI shielding effectiveness (SE) values of 28.2 dB at the X-band frequency.
Funding source: Beijing Forestry University
Award Identifier / Grant number: 501100012138
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported by Special Fund for Beijing Common Construction Project and Beijing Forestry University, grant no. 2016HXKFCLXY001.
Conflict of interest statement: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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