Photophysics of a poly(phenylenevinylene) with alternating meta-phenylene and para-phenylene rings

P. A. Lane; A. J. Cadby; H. Mellor; S. J. Martin; D. G. Lidzey; D. D. Bradley; S. M. Lipson; D. F. O’Brien; W. J. Blau

doi:10.1103/PhysRevB.62.15718

Photophysics of a poly(phenylenevinylene) with alternating meta-phenylene and para-phenylene rings

P. A. Lane, A. J. Cadby, H. Mellor, S. J. Martin, D. G. Lidzey, D. D. Bradley, S. M. Lipson, D. F. O’Brien, W. J. Blau

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Abstract

We have investigated the photophysics of the luminescent polymer poly(1,3-phenylenevinylene-alt-2,5-dioctyloxy-1,4-phenylenevinylene) by a variety of optical spectroscopies. The incorporation of alternating meta-phenylene and para-phenylene rings restricts conjugation with respect to poly(para-phenylenevinylene) derivatives. As a consequence, excited states are blueshifted and the nonlinear susceptibility is reduced. Absorption by aggregates, which can be obscured by scattering and interference, is clearly revealed by electroabsorption spectroscopy. The reduced symmetry of 1,3-PPV modifies optical selection rules, resulting in strong overlap of the fluorescence spectrum with excited state absorption by charged polarons.

Original language	English (US)
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	62
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.62.15718
State	Published - Dec 15 2000
Externally published	Yes

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title = "Photophysics of a poly(phenylenevinylene) with alternating meta-phenylene and para-phenylene rings",

abstract = "We have investigated the photophysics of the luminescent polymer poly(1,3-phenylenevinylene-alt-2,5-dioctyloxy-1,4-phenylenevinylene) by a variety of optical spectroscopies. The incorporation of alternating meta-phenylene and para-phenylene rings restricts conjugation with respect to poly(para-phenylenevinylene) derivatives. As a consequence, excited states are blueshifted and the nonlinear susceptibility is reduced. Absorption by aggregates, which can be obscured by scattering and interference, is clearly revealed by electroabsorption spectroscopy. The reduced symmetry of 1,3-PPV modifies optical selection rules, resulting in strong overlap of the fluorescence spectrum with excited state absorption by charged polarons.",

author = "Lane, {P. A.} and Cadby, {A. J.} and H. Mellor and Martin, {S. J.} and Lidzey, {D. G.} and Bradley, {D. D.} and Lipson, {S. M.} and O{\textquoteright}Brien, {D. F.} and Blau, {W. J.}",

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year = "2000",

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doi = "10.1103/PhysRevB.62.15718",

language = "English (US)",

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T1 - Photophysics of a poly(phenylenevinylene) with alternating meta-phenylene and para-phenylene rings

AU - Lane, P. A.

AU - Cadby, A. J.

AU - Mellor, H.

AU - Martin, S. J.

AU - Lidzey, D. G.

AU - Bradley, D. D.

AU - Lipson, S. M.

AU - O’Brien, D. F.

AU - Blau, W. J.

N1 - Generated from Scopus record by KAUST IRTS on 2019-11-27

PY - 2000/12/15

Y1 - 2000/12/15

N2 - We have investigated the photophysics of the luminescent polymer poly(1,3-phenylenevinylene-alt-2,5-dioctyloxy-1,4-phenylenevinylene) by a variety of optical spectroscopies. The incorporation of alternating meta-phenylene and para-phenylene rings restricts conjugation with respect to poly(para-phenylenevinylene) derivatives. As a consequence, excited states are blueshifted and the nonlinear susceptibility is reduced. Absorption by aggregates, which can be obscured by scattering and interference, is clearly revealed by electroabsorption spectroscopy. The reduced symmetry of 1,3-PPV modifies optical selection rules, resulting in strong overlap of the fluorescence spectrum with excited state absorption by charged polarons.

AB - We have investigated the photophysics of the luminescent polymer poly(1,3-phenylenevinylene-alt-2,5-dioctyloxy-1,4-phenylenevinylene) by a variety of optical spectroscopies. The incorporation of alternating meta-phenylene and para-phenylene rings restricts conjugation with respect to poly(para-phenylenevinylene) derivatives. As a consequence, excited states are blueshifted and the nonlinear susceptibility is reduced. Absorption by aggregates, which can be obscured by scattering and interference, is clearly revealed by electroabsorption spectroscopy. The reduced symmetry of 1,3-PPV modifies optical selection rules, resulting in strong overlap of the fluorescence spectrum with excited state absorption by charged polarons.

UR - https://link.aps.org/doi/10.1103/PhysRevB.62.15718

UR - http://www.scopus.com/inward/record.url?scp=0034670769&partnerID=8YFLogxK

U2 - 10.1103/PhysRevB.62.15718

DO - 10.1103/PhysRevB.62.15718

M3 - Article

SN - 0163-1829

VL - 62

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 23

ER -

Photophysics of a poly(phenylenevinylene) with alternating meta-phenylene and para-phenylene rings

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