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

Authors
Publisher
American Chemical Society
Publication Date
Keywords
  • Inorganic & Physical Chemistry

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.

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