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Direct Observation of the Ordering and Molecular Folding of Poly[(m-phenylenevinylene)-co-(2,5-dioctoxy-p-phenylenevinylene)]


  • The authors are grateful for the financial support from the National Natural Science Foundation (grant nos. 20303023, 20073053, 20025308), the National Key Project on Basic Research (grant no. G2000077501), and the Outstanding Innovation Group Foundation (grant no. 20121301).


Diverse chain foldings of a semi-conjugated polymer are examined with submolecular resolution and molecular models (see Figure) are proposed. The ordering process observed directly supports the hypothesis that the polymer would show a preference to adsorb “straight” on a nanotube surface. The results provide important reference for the interaction mode between polymers and nanotubes.

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