On the polarization of the green emission of polyfluorenes

X. H. Yang; D. Neher; C. Spitz; E. Zojer; J. L. Brédas; R. Güntner; U. Scherf

doi:10.1063/1.1605374

On the polarization of the green emission of polyfluorenes

X. H. Yang, D. Neher^*, C. Spitz, E. Zojer, J. L. Brédas, R. Güntner, U. Scherf

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

The polarized emission characteristics of keto-defects were investigated by studying the polarized photoluminescence of aligned polyfluorene samples after photooxidation in air. It was observed that the low energy emission was only slightly less polarized than the blue band, and that the transition dipole moment of the green emission band was situated parallel to the chain direction. Qunatum-mechanical simulations showed that the polarization of the fluorenone emission was influenced by local disorder.

Original language	English (US)
Pages (from-to)	6832-6839
Number of pages	8
Journal	JOURNAL OF CHEMICAL PHYSICS
Volume	119
Issue number	13
DOIs	https://doi.org/10.1063/1.1605374
State	Published - Oct 1 2003
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "The polarized emission characteristics of keto-defects were investigated by studying the polarized photoluminescence of aligned polyfluorene samples after photooxidation in air. It was observed that the low energy emission was only slightly less polarized than the blue band, and that the transition dipole moment of the green emission band was situated parallel to the chain direction. Qunatum-mechanical simulations showed that the polarization of the fluorenone emission was influenced by local disorder.",

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AU - Yang, X. H.

AU - Neher, D.

AU - Spitz, C.

AU - Zojer, E.

AU - Brédas, J. L.

AU - Güntner, R.

AU - Scherf, U.

PY - 2003/10/1

Y1 - 2003/10/1

N2 - The polarized emission characteristics of keto-defects were investigated by studying the polarized photoluminescence of aligned polyfluorene samples after photooxidation in air. It was observed that the low energy emission was only slightly less polarized than the blue band, and that the transition dipole moment of the green emission band was situated parallel to the chain direction. Qunatum-mechanical simulations showed that the polarization of the fluorenone emission was influenced by local disorder.

AB - The polarized emission characteristics of keto-defects were investigated by studying the polarized photoluminescence of aligned polyfluorene samples after photooxidation in air. It was observed that the low energy emission was only slightly less polarized than the blue band, and that the transition dipole moment of the green emission band was situated parallel to the chain direction. Qunatum-mechanical simulations showed that the polarization of the fluorenone emission was influenced by local disorder.

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U2 - 10.1063/1.1605374

DO - 10.1063/1.1605374

M3 - Article

AN - SCOPUS:0142084708

SN - 0021-9606

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JO - JOURNAL OF CHEMICAL PHYSICS

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ER -

On the polarization of the green emission of polyfluorenes

Abstract

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