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题名: Photodegrading hexaazapentacene dispersant for surface-clean semiconducting single-walled carbon nanotubes
作者: Ji, QY(纪其燕); Han, J; Yu, XQ(余小芹); Qiu, S(邱松); Jin, HH(金赫华); Zhang, DS; Li, QW(李清文)
通讯作者: Jin, HH(金赫华) ; Li, QW(李清文)
刊名: CARBON
发表日期: 2016
DOI: 10.1016/j.carbon.2016.04.045
卷: 105
收录类别: SCI
文章类型: 期刊论文
部门归属: 先进材料研究部
英文摘要: To remove dispersant molecules on the surface of single-walled carbon nanotubes (SWCNTs) is one of main challenges for its practical application in electronics. In this paper, we demonstrated a photodegradable process as a promising method to remove off the dispersants from the surface of semiconducting SWCNTs (s-SWCNTs). A N-heterocyclic aromatic compound, 1,2,5,6-Tetra(5-octylthiophene-2-yl)-Hexaazapentacene (noted as 4HP-C8), was synthesized and used to enrich s-SWCNTs with high yield and purity. Importantly, 4HP-C8 was found to be sensitive to UV irradiation and therefore could be photodegraded into fragments, which provided a facile approach to harvest "dispersant-free" s-SWCNTs. The degradation process and reaction kinetics of 4HP-C8 were also carefully investigated. (C) 2016 Elsevier Ltd. All rights reserved.
关键词[WOS]: DENSITY-GRADIENT ULTRACENTRIFUGATION ; FIELD-EFFECT TRANSISTORS ; REVERSIBLE DISPERSION ; ENRICHMENT ; SEPARATION ; POLYMER ; CHROMATOGRAPHY ; DIAMETER ; FUNCTIONALIZATION ; DISCRIMINATION
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000376607200052
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4842
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:
Ji, QY,Han, J,Yu, XQ,et al. Photodegrading hexaazapentacene dispersant for surface-clean semiconducting single-walled carbon nanotubes[J]. CARBON,2016,105.
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