Journal
PHYSICAL REVIEW B
Volume 75, Issue 16, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.75.165206
Keywords
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Funding
- Engineering and Physical Sciences Research Council [GR/T11630/01, GR/T06568/01] Funding Source: researchfish
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We have investigated the influence of dimensionality on the excitation-transfer dynamics in a conjugated polymer blend. Using time-resolved photoluminescence spectroscopy, we have measured the transfer transients for both a three-dimensional blend film and for quasi-two-dimensional monolayers formed through intercalation of the polymer blend between the crystal planes of an inorganic SnS2 matrix. We compare the experimental data with a simple, dimensionality-dependent model based on electronic coupling between electronic transition moments taken to be point dipoles. Within this approximation, the energy-transfer dynamics is found to adopt a three-dimensional character in the solid film and a two-dimensional nature in the monolayers present in the SnS2-polymer nanocomposite.
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