Flexible and ultrathin electrospun regenerate cellulose nanofibers and d-Ti3C2Tx (MXene) composite film for electromagnetic interference shielding

被引：119

作者：

Cui, Ce ^{[1
]}

Xiang, Cheng ^{[1
]}

Geng, Liang ^{[1
]}

Lai, Xiaoxu ^{[1
]}

Guo, Ronghui ^{[1
]}

Zhang, Yong ^{[1
]}

Xiao, Hongyan ^{[1
]}

Lan, Jianwu ^{[1
]}

Lin, Shaojian ^{[1
]}

Jiang, Shouxiang ^{[2
]}

机构：

[1] Sichuan Univ, Coll Light Ind Text & Food Engn, Chengdu 610065, Sichuan, Peoples R China

[2] Hong Kong Polytech Univ, Inst Text & Clothing, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 788卷

基金：

中国国家自然科学基金;

关键词：

d-Ti3C2Tx; Electrospun regenerate cellulose nanofibers; Electromagnetic interference shielding; WAVE ABSORPTION; BROAD-BAND; 2-DIMENSIONAL MATERIALS; TI3C2; MXENES; GRAPHENE; FIBERS; EXFOLIATION; POLYPYRROLE; LIGHTWEIGHT; FOAM;

D O I：

10.1016/j.jallcom.2019.02.294

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ultrathin and flexible electromagnetic interference (EMI) shielding materials are required to deal with increasingly serious radiation pollution. Herein, 2D ultrathin Ti3C2Tx nanosheets, a kind of MXenes, possess metallic electrical conductivity and hydrophilic surfaces. 2D Ti3C2Tx are considered as a promising alternative to graphene for providing excellent EMI shielding properties. Flexible delaminated Ti3C2Tx/electrospun regenerate cellulose nanofibers (d-Ti3C2Tx/r-CNFs) composite films with EMI shielding properties were fabricated via a facile vacuum-assisted filtration method. The obtained dTi(3)C(2)T(x)/r-CNFs composite film with 15 mm of the thickness of d-Ti3C2Tx coating shows excellent EMI SE (up to 42.7 dB) at the frequency of 2-18 GHz. The d-Ti3C2Tx/r-CNFs composite films can be potentially used as flexible EMI shielding materials. (c) 2019 Elsevier B.V. All rights reserved.

引用

页码：1246 / 1255

页数：10

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