Linewidth-limited energy transfer in single conjugated polymer molecules

Using low temperature single molecule spectroscopy on rigid-rod conjugated polymers we are able to identify homogeneously broadened, strongly polarized emission from individual chromophore units on a single chain. Gated fluorescence spectroscopy allows real time imaging of intramolecular energy tran...

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Published in:Physical review letters 2003-12, Vol.91 (26 Pt 1), p.267403-267403, Article 267403
Main Authors: Müller, J G, Lemmer, U, Raschke, G, Anni, M, Scherf, U, Lupton, J M, Feldmann, J
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cited_by cdi_FETCH-LOGICAL-c371t-cd6d941e58da10fd53b80a6afe37bc2a24fd197a4435d8e6a4ce8c13d58c5cef3
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container_end_page 267403
container_issue 26 Pt 1
container_start_page 267403
container_title Physical review letters
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creator Müller, J G
Lemmer, U
Raschke, G
Anni, M
Scherf, U
Lupton, J M
Feldmann, J
description Using low temperature single molecule spectroscopy on rigid-rod conjugated polymers we are able to identify homogeneously broadened, strongly polarized emission from individual chromophore units on a single chain. Gated fluorescence spectroscopy allows real time imaging of intramolecular energy transfer as the chain behaves as a series of weakly interacting chromophores. Energy transfer is controlled by the chromophoric spectral linewidth, which depends on temperature. Linewidths exceeding intramolecular disorder lead to incoherent chromophore coupling and collective fluorescence phenomena.
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title Linewidth-limited energy transfer in single conjugated polymer molecules
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