DataVXACS Applied Materials & InterfacesPaper
journal article·2023-03-29

Optimizing Electromagnetic Interference Shielding of Ultrathin Nanoheterostructure Textiles through Interfacial Engineering

Song Zhang, Chongjie Wang, Tenghua Gao, Jinrong Hu, Pengjian Lu, Bingjian Guo, Qingfang Xu, Kai Liu, Baowen Li, Rong Tu, Meijun Yang, Kazuya Ando

ACS Applied Materials & Interfaces· Volume 15· Issue 12
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Source abstract

Abstract

Strong electromagnetic wave reflection loss concomitant with second emission pollution limits the wide applications of electromagnetic interference (EMI) shielding textiles. Decoration of textiles by using various dielectric materials has been found efficient for the development of highly efficient EMI shielding textiles, but it is still a challenge to obtain EMI shielding composites with thin thickness. A route of interfacial engineering may offer a twist to overcome these obstacles. Here, we fabricated a Ni nanoparticle/SiC nanowhisker/carbon cloth nanoheterostructure, where SiC nanowhiskers were deposited by a simple manufacturing method, namely, laser chemical vapor deposition (LCVD), directly grown on carbon cloth. Through directly constructing a Ni/SiC interface, we find that the formation of Schottky contact can influence the interfacial polarization associated with the generation of dipole electric fields, leading to an enhancement of dielectric loss. A striking feature of this interfacial engineering strategy is able to enhance the absorption of the incident electromagnetic wave while suppressing the reflection. As a result, our Ni/SiC/carbon cloth exhibits an excellent EMI shielding effectiveness of 68.6 dB with a thickness of only 0.39 mm, as well as high flexibility and long-term duration stability benefited from the outstanding mechanical properties of SiC nanowiskers, showing potential for EMI shielding applications.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCompositesMaterials processing

OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Aluminum Alloys Composites Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

School of Materials Science and Engineering, Wuhan University of Technology, 122 Luoshi Road, Wuhan 430070, China

Department of Applied Physics and Physico-Informatics, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan

Wuhan Tuocai Technology Co., Ltd., 147 Luoshi Road, Wuhan 430070, People’s Republic of China

Zhejiang MTCN Technology Co., Ltd., No. 59, Luhui Road, Taihu Street, Huzhou, Zhejiang 311103, People’s Republic of China

Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Japan Society for the Promotion of Science · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Key-Area Research and Development Program of Guangdong Province · Chaozhou Science and Technology Project · International Science & Technology Cooperation Program of Hubei Province · Major Science and Technology Project in Zhongshan City, Guangdong Province · Guangdong Major Project of Basic and Applied Basic Research · Hanjiang Laboratory

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