IMR OpenIR
Structure and electromagnetic properties of both regular and defective onion-like carbon nanoparticles
Jiang, Linwen; Wang, Zhenhua; Geng, Dianyu; Lin, Yangming; Wang, Yu; An, Jing; He, Jun; Li, Da; Liu, Wei; Zhang, Zhidong; zhwang@imr.ac.cn
2015
发表期刊CARBON
ISSN0008-6223
卷号95页码:910-918
摘要Both regular and defective onion-like carbon (OLC) nanoparticles were prepared by the arc-discharge process using hexane (C6H14) and ethanol (C2H5OH) as carbon sources. The formation of defective sites in OLC nanoparticles is ascribed to the introduction of oxygen of ethanol. It is shown that high vacuum or using raw materials without oxygen is favorable to form regular onion-like microstructure. For defective OLC/paraffin composites, the valuable microwave-absorption areas (<-10 dB) increase with the weight fraction increasing from 20% to 50%. The further increasing of concentration (60%) will decrease greatly the microwave absorption due to the strong reflection of incident microwave induced by the high conductivity of system. The reflection loss (RL) exceeding -10 dB can be obtained for 50% defective OLC/paraffin composites in the thickness range of 1.4-3.4 mm. The large amounts of defective sites are responsible for the excellent microwave-absorption performances of defective OLC/paraffin composites. (C) 2015 Elsevier Ltd. All rights reserved.
部门归属[jiang, linwen ; wang, zhenhua ; geng, dianyu ; lin, yangming ; li, da ; liu, wei ; zhang, zhidong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china ; [jiang, linwen ; wang, zhenhua ; geng, dianyu ; lin, yangming ; li, da ; liu, wei ; zhang, zhidong] chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china ; [wang, yu ; an, jing ; he, jun] cent iron & steel res inst, div funct mat res, beijing 100081, peoples r china
资助者National Basic Research Program of China [2012CB933103]; Ministry of Science and Technology China [51371055]; National Nature Science Foundation of China [51102244, 51171185]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75136
专题中国科学院金属研究所
通讯作者zhwang@imr.ac.cn
推荐引用方式
GB/T 7714
Jiang, Linwen,Wang, Zhenhua,Geng, Dianyu,et al. Structure and electromagnetic properties of both regular and defective onion-like carbon nanoparticles[J]. CARBON,2015,95:910-918.
APA Jiang, Linwen.,Wang, Zhenhua.,Geng, Dianyu.,Lin, Yangming.,Wang, Yu.,...&zhwang@imr.ac.cn.(2015).Structure and electromagnetic properties of both regular and defective onion-like carbon nanoparticles.CARBON,95,910-918.
MLA Jiang, Linwen,et al."Structure and electromagnetic properties of both regular and defective onion-like carbon nanoparticles".CARBON 95(2015):910-918.
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