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	碘在单壁碳纳米管内的结构转变
	王志永 ; 施祖进 ; 顾镇南
	2007
关键词	单壁碳纳米管 结构转变 碘元素
英文摘要	Iodine confined in single-walled carbon nanotubes(SWNTs)exhibits novel structural properties. Iodine molecules adopt electrons from SWNTs to form charged polyiodide chains In(n=3,5…)，and interestingly，the polyiodide chains array in the form of single，double or triple helical structures inside different diameters of SWNTs. We investigated the structural transition of iodine confined in SWNTs using Raman spectroscopy. The results show that charged polyiodide chains in SWNTs transform into iodine molecules with temperature increasing，while the reverse process occurs when the temperature decreases. Due to this reversible transition is accompanied by electron transfer between iodine and SWNTs，iodine filled SWNTs provides an approach to modulate the electronic band structure of SWNTs via varying temperatures. This may have some applications in nano-electroniCS based on carbon nanotubes with specific properties.; 0
语种	中文
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/82516]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	王志永,施祖进,顾镇南. 碘在单壁碳纳米管内的结构转变. 2007-01-01.

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