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Consequences of Chirality on the Aggregation Behavior of Poly[2-methoxy-5-(2′-ethylhexyloxy)-p-phenylenevinylene] (MEH-PPV)

Poly[2-methoxy-5(2′-ethylhexoxy)-p phenylenevinylene](MEH-PPV) has been for the first time prepared and fully characterized in enantiopure (R) form. If the polymer molecular weight is sufficiently low, (R)-MEH-PPV assumes a helical supramolecular structure in the solution aggregates, with consequences on the tendency to aggregation and on the fluorescence quenching, both of which are reduced with respect to the racemic analogue.

(R)-MEH-PPV; helical supramolecular structure

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