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  Transient electroluminescence spectroscopy of polyfluorene light-emitting diodes

Lupton, J. M., & Klein, J. (2003). Transient electroluminescence spectroscopy of polyfluorene light-emitting diodes. Synthetic Metals, 138(1-2), 233-236.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-62DB-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-62DC-C
Genre: Journal Article

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 Creators:
Lupton, J. M.1, Author           
Klein, J.1, Author           
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: We present transient electroluminescence spectra of polyfluorene light-emitting diodes. The luminescence spectra recorded after switch-off of a 5 V driving pulse exhibit a dynamic change with time. A study of the temperature and bias offset dependence reveals that charge carriers are preferentially trapped on low energy oxidative sites present on the polyfluorene backbone. These observations of the charge carrier dynamics in light-emitting diodes (LEDs) compare to recent results on exciton trapping on emissive intra-chain defects in polyfluorenes. (C) 2003 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: eDoc: 42670
Other: P-03-7
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Title: Synthetic Metals
Source Genre: Journal
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Pages: - Volume / Issue: 138 (1-2) Sequence Number: - Start / End Page: 233 - 236 Identifier: -