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Flexible, lightweight carbon nanotube sponges and composites for high-performance electromagnetic interference shielding
Dongwei Lu1; Zichao Mo1; Binghao Liang1; Leilei Yang1; Zhongfu He1; Hai Zhu2; Zikang Tang3; Xuchun Gui1
2018-03-20
Source PublicationCARBON
ISSN0008-6223
Volume133Pages:457-463
Abstract

Flexible, low-density, high-performance electromagnetic interference (EMI) shielding performancematerials are urgently required in aerospace andflexible electronic devices. Due to the high aspect ratioand conductivity, carbon nanotube (CNTs) has been considered as one of the most promising candidatesfor providing excellent EMI shielding performance. Here, aflexible spongy CNTs consisting of self-assembled, interconnected CNT skeletons, with a density of 10.0 mg/cm3, was directly used as EMIshieldingfilm. The freestanding CNT sponge with a thickness of 1.8 mm shows highly EMI shieldingeffectiveness (SE) and specific SE (SSE) of 54.8 dB and 5480 dB cm3/g in X-band, respectively. The per-formance of the CNT sponges can be further improved by increasing the thickness or density of thesamples. After composited with PDMS by directly infiltrating method, the CNT/PDMSfilm still exhibitsexcellent EMI SE (46.3 dB) at the thickness of 2.0 mm, while the CNT loading content is less than 1.0 wt%.The EMI SE of the composite is almost unchanged after repeated stretching or bending for 1000 cycles.Theflexible, stability, and highly conductive nanocompsite can be directly used as high-performance EMIshieldingfilms in areas such as packaging, electronics and communication.

KeywordCarbon Nanotube Electromagnetic Interference Shielding Composite
DOI10.1016/j.carbon.2018.03.061
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000431010600056
PublisherPERGAMON-ELSEVIER SCIENCE LTD
The Source to ArticleWOS
Fulltext Access
Citation statistics
Cited Times [WOS]:98   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorXuchun Gui
Affiliation1.State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou,510275, China
2.State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, Sun Yat-Sen University, Guangzhou, 510275, China
3.Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, China
Recommended Citation
GB/T 7714
Dongwei Lu,Zichao Mo,Binghao Liang,et al. Flexible, lightweight carbon nanotube sponges and composites for high-performance electromagnetic interference shielding[J]. CARBON,2018,133:457-463.
APA Dongwei Lu,Zichao Mo,Binghao Liang,Leilei Yang,Zhongfu He,Hai Zhu,Zikang Tang,&Xuchun Gui.(2018).Flexible, lightweight carbon nanotube sponges and composites for high-performance electromagnetic interference shielding.CARBON,133,457-463.
MLA Dongwei Lu,et al."Flexible, lightweight carbon nanotube sponges and composites for high-performance electromagnetic interference shielding".CARBON 133(2018):457-463.
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