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Synthesis and Property of Pyrene-Naphthalene Diimide-Pyrene Triad

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2014, 26(4), pp.305-310
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

김현지 1 Jong Seung Park 1 김아롱 1

1동아대학교

Accredited

ABSTRACT

In this study, we presented a newly synthesized pyrene-naphthalene diimide (NDI)-pyrene triad. The optical and structural properties were examined using various characterization techniques. A donor-acceptor-donor triad molecule exhibited a strong charge transfer, though there existed neither intramolecular nor intermolecular hydrogen bonding sites, due to the formation of preferential complementary complex between pyrene and NDI. Powder XRD measurement revealed a sharp and distinctive X-ray patterns, indicating the presence of microcrystalline-like structure. POM images showed anisotropic fingerprint texture similar to that of cholesteric phase, and SEM images showed numerous columnar structures with length of 1 to 10μm. Above observation clearly demonstrated that π-complementary NDI-pyrene interactions in the traid was strong enough to form columnar aggregates in the long range.

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