The effect of broken conjugation and aggregation on photo-induced charge separation on polyphenylenevinylene chains

Gerwin H. Gelinck; Emiel G.J. Staring; Do Hoon Hwang; George C.W. Spencer; Andrew B. Holmes; John M. Warman

doi:10.1016/S0379-6779(96)04067-2

The effect of broken conjugation and aggregation on photo-induced charge separation on polyphenylenevinylene chains

Gerwin H. Gelinck, Emiel G.J. Staring, Do Hoon Hwang, George C.W. Spencer, Andrew B. Holmes, John M. Warman

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

14 Citations (Scopus)

Abstract

Flash photoexcitation of dilute solutions of fully conjugated poly(2,5-dialkoxyphenylenevinylene)s results in a transient change in the microwave conductivity. Gel formation resulting from aggregation of polymer chains in some of the solutions leads to an increase in the photo-induced conductivity. The effects are attributed to the formation of mobile charge carriers (polaron pairs) on a single polymer chain in the case of the solutions, and on separate chains via interchain charge transfer in the gel. Mobile charge carrier formation is strongly reduced by the incorporation of even a few percent of non-conjugated ethylidene units in the polymer backbone.

Original language	English
Pages (from-to)	595-596
Number of pages	2
Journal	Synthetic Metals
Volume	84
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(96)04067-2
Publication status	Published - 1 Jan 1997
Externally published	Yes

Keywords

Conductivity
Photoconductivity
Poly(phenylene vinylene) and derivatives
Time-resolved fast spectroscopy

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10.1016/S0379-6779(96)04067-2

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title = "The effect of broken conjugation and aggregation on photo-induced charge separation on polyphenylenevinylene chains",

abstract = "Flash photoexcitation of dilute solutions of fully conjugated poly(2,5-dialkoxyphenylenevinylene)s results in a transient change in the microwave conductivity. Gel formation resulting from aggregation of polymer chains in some of the solutions leads to an increase in the photo-induced conductivity. The effects are attributed to the formation of mobile charge carriers (polaron pairs) on a single polymer chain in the case of the solutions, and on separate chains via interchain charge transfer in the gel. Mobile charge carrier formation is strongly reduced by the incorporation of even a few percent of non-conjugated ethylidene units in the polymer backbone.",

keywords = "Conductivity, Photoconductivity, Poly(phenylene vinylene) and derivatives, Time-resolved fast spectroscopy",

author = "Gelinck, {Gerwin H.} and Staring, {Emiel G.J.} and Hwang, {Do Hoon} and Spencer, {George C.W.} and Holmes, {Andrew B.} and Warman, {John M.}",

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The effect of broken conjugation and aggregation on photo-induced charge separation on polyphenylenevinylene chains. / Gelinck, Gerwin H.; Staring, Emiel G.J.; Hwang, Do Hoon; Spencer, George C.W.; Holmes, Andrew B.; Warman, John M.

In: Synthetic Metals, Vol. 84, No. 1-3, 01.01.1997, p. 595-596.

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

TY - JOUR

T1 - The effect of broken conjugation and aggregation on photo-induced charge separation on polyphenylenevinylene chains

AU - Gelinck, Gerwin H.

AU - Staring, Emiel G.J.

AU - Hwang, Do Hoon

AU - Spencer, George C.W.

AU - Holmes, Andrew B.

AU - Warman, John M.

PY - 1997/1/1

Y1 - 1997/1/1

N2 - Flash photoexcitation of dilute solutions of fully conjugated poly(2,5-dialkoxyphenylenevinylene)s results in a transient change in the microwave conductivity. Gel formation resulting from aggregation of polymer chains in some of the solutions leads to an increase in the photo-induced conductivity. The effects are attributed to the formation of mobile charge carriers (polaron pairs) on a single polymer chain in the case of the solutions, and on separate chains via interchain charge transfer in the gel. Mobile charge carrier formation is strongly reduced by the incorporation of even a few percent of non-conjugated ethylidene units in the polymer backbone.

AB - Flash photoexcitation of dilute solutions of fully conjugated poly(2,5-dialkoxyphenylenevinylene)s results in a transient change in the microwave conductivity. Gel formation resulting from aggregation of polymer chains in some of the solutions leads to an increase in the photo-induced conductivity. The effects are attributed to the formation of mobile charge carriers (polaron pairs) on a single polymer chain in the case of the solutions, and on separate chains via interchain charge transfer in the gel. Mobile charge carrier formation is strongly reduced by the incorporation of even a few percent of non-conjugated ethylidene units in the polymer backbone.

KW - Conductivity

KW - Photoconductivity

KW - Poly(phenylene vinylene) and derivatives

KW - Time-resolved fast spectroscopy

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