Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Volume 47 , Issue 8
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  • Yasuhiro Kinno, Haruka Omachi, Yusuke Nakanishi, Hisanori Shinohara
    2018 Volume 47 Issue 8 Pages 1022-1025
    Published: August 05, 2018
    Released: August 05, 2018
    JOURNALS RESTRICTED ACCESS

    We developed the synthesis of one-dimensional polythiophenes inside single-wall carbon nanotubes (SWCNTs). Direct vapor-phase reaction with dibromobithiophenes provided long-conjugated polythiophenes through dehalogenative polymerization in the cavities of SWCNTs. Tethering of the large number of thiophene units was confirmed by optical absorption measurement and high-resolution transmission electron microscopic (HR-TEM) observation. Raman spectroscopy indicated that restricted one-dimensional inner space of SWCNTs enables s-trans coplanar conformation of thiophene moieties. We also revealed a weak p-doping of metallic SWCNTs selectively occurred by bromine molecules, which were generated during the synthesis of polythiophenes.

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