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	Electromagnetic and microwave absorbing properties of multi-walled carbon nanotubes/polymer composites
	Fan, Zhuangjun ; Luo, Guohua ; Zhang, Zengfu ; Zhou, Li ; Wei, Fei
	2010-05-07 ; 2010-05-07
会议名称	MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY ; 3rd International Conference on Materials for Advanced Technologies/9th International Conference on Advanced Materials ; Singapore, SINGAPORE ; Web of Science
关键词	carbon nanotubes polymer composites microwave absorbing materials BED Materials Science, Multidisciplinary Physics, Condensed Matter
中文摘要	The preparation and characterization of CNTs/polymer (PET, PP, PE and varnish) composites were studied for microwave absorption applications in the range of 2-18 GHz. The results indicated the position of reflectivity peak moves to a lower frequency and the loss factors of composites increase with increasing CNTs concentrations. When CNTs concentration was above 4 wt%, there was a sharp increase of loss tangent. 4 wt% CNTs/PET and 8 wt% CNTs/varnish composites had considerable absorbing peak at 7.6 GHz, 15.3 GHz and achieved maximum absorbing value of 17.61 dB, 24.27 dB, respectively. In addition, the frequencies range for absorbing values exceeding 5 dB of CNTs/(PET, PP, varnish) composites are 13 GHz. 10 GHz and 6 GHz, respectively. The microwave absorption of CNTs composites can be mainly attributed to the dielectric loss rather than magnetic loss. (c) 2006 Elsevier B.V. All rights reserved.
会议录出版者	ELSEVIER SCIENCE SA ; LAUSANNE ; PO BOX 564, 1001 LAUSANNE, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/17079]
专题	清华大学
推荐引用方式 GB/T 7714	Fan, Zhuangjun,Luo, Guohua,Zhang, Zengfu,et al. Electromagnetic and microwave absorbing properties of multi-walled carbon nanotubes/polymer composites[C]. 见:MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 3rd International Conference on Materials for Advanced Technologies/9th International Conference on Advanced Materials, Singapore, SINGAPORE, Web of Science.

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