Ultra-thin and highly flexible cellulose nanofiber/silver nanowire conductive paper for effective electromagnetic interference shielding

被引：177

作者：

Chen, Yiming ^{[1
]}

Pang, Liang ^{[2
]}

Li, Yang ^{[2
]}

Luo, Heng ^{[3
]}

Duan, Gaigai ^{[1
]}

Mei, Changtong ^{[1
]}

Xu, Wenhui ^{[4
]}

Zhou, Wei ^{[5
]}

Liu, Kunming ^{[6
]}

Jiang, Shaohua ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Mat Sci & Engn, Coinnovat Ctr Efficient Proc & Utilizat Forest Re, Nanjing 210037, Peoples R China

[2] Cent South Univ, Sch Phys & Elect, Changsha 410083, Peoples R China

[3] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China

[4] Jiangxi Univ Tradit Chinese Med, Sch Pharm, Nanchang 330004, Jiangxi, Peoples R China

[5] Hunan Univ Technol, Coll Met & Mat Engn, Zhuzhou 412008, Peoples R China

[6] Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Peoples R China

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2020年 / 135卷

基金：

中国国家自然科学基金;

关键词：

Cellulose; Layered structures; Electrical properties; Mechanical properties; SILVER NANOWIRES; REDUCED GRAPHENE; HIGH-PERFORMANCE; TRANSPARENT; NANOCOMPOSITES; COMPOSITES; LIGHTWEIGHT; EFFICIENCY; FILMS;

D O I：

10.1016/j.compositesa.2020.105960

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Exploring an electromagnetic interference (EMI) shielding material with lightweight, flexible and easy fabricating process to deal with the increasingly serious electromagnetic environment pollution has become a current developing trend. Here, we reported a novel cellulose nanofiber (CNF)/silver nanowire (AgNW) conducive paper with a distinctive hierarchical structure by a facile "blending-filtration-peeling" process. Results showed that the obtained paper with a thickness of similar to 40 mu m exhibited excellent tensile strength of similar to 49.1 MPa, a low percolation threshold of 1.4 vol% AgNWs, no significant changes in electrical conductivity after 2000 bending. The outstanding synergy between green CNFs and AgNWs endowed the paper with high EMI shielding effectiveness of up to 39.3 dB in X band and effective shielding effects on electromagnetic signals for realistic mobile phone communication. The special CNF/AgNW papers are expected to broaden new application fields as electronic devices e.g. flexible electronic components or effective ultra-thin EMI shielding materials for daily demands.

引用

页数：9

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