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Philos Trans A Math Phys Eng Sci. 2004 Nov 15;362(1824):2425-59.

Raman spectroscopy of polyconjugated molecules and materials: confinement effect in one and two dimensions.

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  • 1Dipartimento di Chimica, Materiali e Ingegneria Chimica G. Natta, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, Italy. chiara.castiglioni@polimi.it


The effect of the confinement of pi electrons in one- and two-dimensional domains is illustrated with several examples ranging from linear polyene chains to planar molecules with honeycomb structure. Theoretical computations and specific Raman experiments on molecular materials demonstrate that a molecular approach provides a unified key to the interpretation of the Raman response both of linear polyconjugated polymers (polyacetylene) and of nanostructured graphitic materials.

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