High‐performance electromagnetic interference shielding material based on an effective mixing protocol

2019 ◽  
Vol 68 (4) ◽  
pp. 637-647 ◽  
Author(s):  
Aswathi M Kunjappan ◽  
Mohammed A Poothanari ◽  
Ajitha A Ramachandran ◽  
Moothetty Padmanabhan ◽  
Lovely Mathew ◽  
...  
RSC Advances ◽  
2019 ◽  
Vol 9 (51) ◽  
pp. 29636-29644 ◽  
Author(s):  
Wei Xin ◽  
Guo-Qiang Xi ◽  
Wen-Tao Cao ◽  
Chang Ma ◽  
Tong Liu ◽  
...  

Flexible and lightweight MXene/CNF/silver composite membranes are vacuum filtered to form a high electromagnetic shielding material with a brick-like structure. The membranes have an excellent electromagnetic shielding performance of 50.7 dB.


2016 ◽  
Vol 4 (19) ◽  
pp. 4193-4203 ◽  
Author(s):  
Fang Fang ◽  
Yuan-Qing Li ◽  
Hong-Mei Xiao ◽  
Ning Hu ◽  
Shao-Yun Fu

The superiority of layer-structured Ag-NW/PANI composite films over the plain-structured in electrical conductivity and electromagnetic interference shielding.


Carbon ◽  
2019 ◽  
Vol 146 ◽  
pp. 210-217 ◽  
Author(s):  
Xinliang Li ◽  
Xiaowei Yin ◽  
Shuang Liang ◽  
Minghang Li ◽  
Laifei Cheng ◽  
...  

RSC Advances ◽  
2021 ◽  
Vol 11 (30) ◽  
pp. 18476-18482
Author(s):  
Licui Wang ◽  
Zhaoxin Xie ◽  
Yanhu Zhan ◽  
Xuehui Hao ◽  
Yanyan Meng ◽  
...  

It is of great significance for electromagnetic interference (EMI) shielding materials to fulfill long-lasting service requirements.


2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Xinyu Wu ◽  
Tingxiang Tu ◽  
Yang Dai ◽  
Pingping Tang ◽  
Yu Zhang ◽  
...  

Highlights 3D printing of MXene frames with tunable electromagnetic interference shielding efficiency is demonstrated. Highly conductive MXene frames are reinforced by cross-linking with aluminum ions. Electromagnetic wave is visualized by electromagnetic-thermochromic MXene patterns. Abstract The highly integrated and miniaturized next-generation electronic products call for high-performance electromagnetic interference (EMI) shielding materials to assure the normal operation of their closely assembled components. However, the most current techniques are not adequate for the fabrication of shielding materials with programmable structure and controllable shielding efficiency. Herein, we demonstrate the direct ink writing of robust and highly conductive Ti3C2Tx MXene frames with customizable structures by using MXene/AlOOH inks for tunable EMI shielding and electromagnetic wave-induced thermochromism applications. The as-printed frames are reinforced by immersing in AlCl3/HCl solution to remove the electrically insulating AlOOH nanoparticles, as well as cross-link the MXene sheets and fuse the filament interfaces with aluminum ions. After freeze-drying, the resultant robust and porous MXene frames exhibit tunable EMI shielding efficiencies in the range of 25–80 dB with the highest electrical conductivity of 5323 S m−1. Furthermore, an electromagnetic wave-induced thermochromic MXene pattern is assembled by coating and curing with thermochromic polydimethylsiloxane on a printed MXene pattern, and its color can be changed from blue to red under the high-intensity electromagnetic irradiation. This work demonstrates a direct ink printing of customizable EMI frames and patterns for tuning EMI shielding efficiency and visualizing electromagnetic waves.


Author(s):  
Bin Yuan ◽  
Shuangxin Lai ◽  
Jianjun Li ◽  
Li Li ◽  
Shibing Bai

Humans have used animal leather materials for thousands of years. Nowadays, the disposal of Cr-containing leather wastes (LWs) has become an urgent problem. Herein, by adopting simultaneously conventional freeze-drying and...


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