Characterisation of poly (phenylenevinylene) by infrared and optical absorption

D. D.C. Bradley; G. P. Evans; R. H. Friend

doi:10.1016/0379-6779(87)90814-9

Characterisation of poly (phenylenevinylene) by infrared and optical absorption

D. D.C. Bradley, G. P. Evans, R. H. Friend

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Abstract

In this paper we present the results of a study of the optical properties of poly (phenylenevinylene), PPV, prepared by the sulphonium polyelectrolyte precursor. We investigate the conditions for the transformation reaction from precursor to PPV using optical and IR absorption. We investigate also the effects of oxidative doping. In situ electrochemical doping shows the appearance of new absorption features at 0.9 and 2.3 eV which correlate with π-π* interband bleaching at 3.0 eV and which may be assigned to valence band to bipolaron level transitions. Chemical doping with iodine and with AsF5 introduces new infrared absorption features at 1151, 1286, 1317, 1420 and 1506 cm-1. © 1987.

Original language	English (US)
Journal	Synthetic Metals
Volume	17
Issue number	1-3
DOIs	https://doi.org/10.1016/0379-6779(87)90814-9
State	Published - Jan 1 1987
Externally published	Yes

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title = "Characterisation of poly (phenylenevinylene) by infrared and optical absorption",

abstract = "In this paper we present the results of a study of the optical properties of poly (phenylenevinylene), PPV, prepared by the sulphonium polyelectrolyte precursor. We investigate the conditions for the transformation reaction from precursor to PPV using optical and IR absorption. We investigate also the effects of oxidative doping. In situ electrochemical doping shows the appearance of new absorption features at 0.9 and 2.3 eV which correlate with π-π* interband bleaching at 3.0 eV and which may be assigned to valence band to bipolaron level transitions. Chemical doping with iodine and with AsF5 introduces new infrared absorption features at 1151, 1286, 1317, 1420 and 1506 cm-1. {\textcopyright} 1987.",

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AU - Evans, G. P.

AU - Friend, R. H.

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N2 - In this paper we present the results of a study of the optical properties of poly (phenylenevinylene), PPV, prepared by the sulphonium polyelectrolyte precursor. We investigate the conditions for the transformation reaction from precursor to PPV using optical and IR absorption. We investigate also the effects of oxidative doping. In situ electrochemical doping shows the appearance of new absorption features at 0.9 and 2.3 eV which correlate with π-π* interband bleaching at 3.0 eV and which may be assigned to valence band to bipolaron level transitions. Chemical doping with iodine and with AsF5 introduces new infrared absorption features at 1151, 1286, 1317, 1420 and 1506 cm-1. © 1987.

AB - In this paper we present the results of a study of the optical properties of poly (phenylenevinylene), PPV, prepared by the sulphonium polyelectrolyte precursor. We investigate the conditions for the transformation reaction from precursor to PPV using optical and IR absorption. We investigate also the effects of oxidative doping. In situ electrochemical doping shows the appearance of new absorption features at 0.9 and 2.3 eV which correlate with π-π* interband bleaching at 3.0 eV and which may be assigned to valence band to bipolaron level transitions. Chemical doping with iodine and with AsF5 introduces new infrared absorption features at 1151, 1286, 1317, 1420 and 1506 cm-1. © 1987.

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VL - 17

JO - Synthetic Metals

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IS - 1-3

ER -

Characterisation of poly (phenylenevinylene) by infrared and optical absorption

Abstract

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