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Spatial confinement of exciton transfer and the role of conformational order in organic nanoparticles

Hu, Dehong and Yu, Ji and Padmanaban, G and Ramakrishnan, S and Barbara, Paul F (2002) Spatial confinement of exciton transfer and the role of conformational order in organic nanoparticles. In: Nano Letters, 2 (10). pp. 1121-1124.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/nl015661o

Abstract

Organic nanoparticles consisting of single conjugated polymer chains were investigated as a function of degree of conjugation by means of single-molecule spectroscopy. The degree of conjugation was synthetically controlled. For highly conjugated chains, singlet excitons are efficiently funneled over nanometer distances to a small number of sites. In contrast, chains with less conjugation and a high number of saturated bonds do not exhibit energy funneling due to a highly disordered conformation.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 28 Jul 2011 06:45
Last Modified: 28 Jul 2011 06:45
URI: http://eprints.iisc.ernet.in/id/eprint/39406

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