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题名: Direct Intertube Cross-Linking of Carbon Nanotubes at Room Temperature
作者: Gao, YX(高云翔); Chen, HW(陈宏伟); Ge, J(葛军); Zhao, JN(赵静娜); Li, QW(李清文); Tang, JX; Cui, Y; Chen, LW(陈立桅)
通讯作者: Chen, LW(陈立桅)
刊名: NANO LETTERS
发表日期: 2016
DOI: 10.1021/acs.nanolett.6b03184
卷: 16, 期:10
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米研究国际实验室
英文摘要: Carbon nanotubes (CNTs) have long been regarded as an efficient free radical scavenger because of the large-conjugation system in their electronic structures. Hence, despite abundant reports on CNT reacting with incoming free radical species, current research has not seen CNT itself displaying the chemical reactivity of free radicals. Here we show that reactive free radicals can in fact be generated on carbon nanotubes via reductive defluorination of highly fluorinated single-walled carbon nanotubes (FSWNTs). This finding not only enriches the current understanding of carbon nanotube chemical reactivity but also opens up new opportunities in CNT-based material design. For example, spacer-free direct intertube cross-linking of carbon nanotubes was previously achieved only under extremely high temperature and pressure or electron/ion beam irradiation. With the free radicals on defluorinated FSWNTs, the nanotubes containing multiple radicals on the sidewall can directly cross-link with each other under ambient temperature through intertube radical recombination. It is demonstrated that carbon nanotube fibers reinforced via direct cross-linking displays much improved, mechanical properties.
关键词[WOS]: SATURATED PERFLUOROCARBONS ; FLUORINATION ; REDUCTION ; DEFLUORINATION ; POLYMERIZATION ; IRRADIATION ; LIGHTWEIGHT ; DYNAMICS ; STRENGTH ; STRATEGY
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000385469800081
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4881
Appears in Collections:先进材料研究部_李清文团队_期刊论文

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Recommended Citation:
Gao, YX,Chen, HW,Ge, J,et al. Direct Intertube Cross-Linking of Carbon Nanotubes at Room Temperature[J]. NANO LETTERS,2016,16(10).
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