Flexible and Transparent Ferroferric Oxide-Modified Silver Nanowire Film for Efficient Electromagnetic Interference Shielding

被引：85

作者：

Wang, Zhenxiao ^{[1
,2
]}

Jiao, Bo ^{[1
,2
]}

Qing, Yuchang ^{[3
]}

Nan, Hanyi ^{[3
]}

Huang, Linquan ^{[4
]}

Wei, Wei ^{[4
]}

Peng, Yao ^{[1
,2
]}

Yuan, Fang ^{[1
,2
]}

Dong, Hua ^{[1
,2
]}

Hou, Xun ^{[1
,2
]}

Wu, Zhaoxin ^{[1
,2
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Elect Sci & Engn, Key Lab Phys Elect & Devices, Minist Educ, Xian 710049, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Elect Sci & Engn, Shaanxi Key Lab Informat Photon Tech, Xian 710049, Peoples R China

[3] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China

[4] Shaanxi Coal Chem Ind Technol Res Inst Co Ltd, Xian 710065, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2020年 / 12卷 / 02期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

electromagnetic interference shielding; transparent conductive film; flexible electronics; silver nanowire; ferroferric oxide; WHOLE-BODY EXPOSURE; PERFORMANCE; GRAPHENE;

D O I：

10.1021/acsami.9b17513

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Transparent and flexible electromagnetic interference (EMI) shielding film is highly desirable due to the fast-growing flexible electronics. A silver nanowire (Ag NW) film is considered to be an ideal candidate for a transparent and flexible EMI shielding film but suffers low EMI shielding effectiveness (SE) at high transparency and poor bending durability. Herein, we introduce ferroferric oxide (Fe3O4) into a Ag NW film and demonstrate a robust EMI shielding film, which exhibits SE of 24.9 dB at 8.2 GHz and optical transparency of 90%. Fe3O4 exhibits roles of the improved absorption loss for electromagnetic radiation due to its high permeability, the enhanced reflection loss for electromagnetic radiation by increasing the conductivity of Ag NWs film, and the improved stability for the enhanced adhesion of the Ag NW EMI shielding film. Our work provides a facile method for high-performance transparent EMI shielding film, which exhibits great potential for protection for electronic devices.

引用

页码：2826 / 2834

页数：9

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