Cyanurate-guided self-assembly of a melamine-capped oligo(p-phenylenevinylene).

نویسندگان

  • Shiki Yagai
  • Shun Kubota
  • Kanako Unoike
  • Takashi Karatsu
  • Akihide Kitamura
چکیده

An oligo(p-phenylenevinylene) capped on one end by a monotopic DAD-type triple hydrogen-bonding module shows distinct optical properties as well as self-organization behavior upon complexation with cyanurates with different numbers of ADA-type triple hydrogen-bonding sites.

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A complementary guest induced morphology transition in a two-component multiple H-bonding self-assembly.

An oligo(p-phenylenevinylene) (OPV) dimer, whose OPV units are capped on their end by monotopic melamine hydrogen-bonding units, self-assembles in methylcyclohexane to form flexible fibrous nanostructures, which are transformed into rigid nanostrips upon adding ditopic cyanurates and reconverted to nanofibers upon adding a m-xylylene-linked bismelamine.

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Melamine-functionalized tri(p-phenyleneethynylene) self-assembles to form opaque and weak gels in aliphatic solvents which turned transparent and stable upon addition of a cyanurate, affording supramolecular nanostructures with distinct physical properties.

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ssPNA templated assembly of oligo(p-phenylenevinylene)s.

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عنوان ژورنال:
  • Chemical communications

دوره 37  شماره 

صفحات  -

تاریخ انتشار 2008