Temperature dependent photoluminescence from a cyano-substituted phenylene vinylene polymer

Gary Rumbles; I. D W Samuel; C. J. Collison; P. F. Miller; S. C. Moratti; A. B. Holmes

doi:10.1016/S0379-6779(98)00367-1

Temperature dependent photoluminescence from a cyano-substituted phenylene vinylene polymer

Gary Rumbles, I. D W Samuel, C. J. Collison, P. F. Miller, S. C. Moratti, A. B. Holmes

National Renewable Energy Laboratory

Research output: Contribution to journal › Article

29 Citations (Scopus)

Abstract

We report some steady-state and time-resolved photoluminescence (PL) studies of a cyano-substituted phenylene vinylene polymer film as a function of temperature. In contrast to simple aromatic molecules, on reducing the temperature the luminescence spectrum drops in intensity, gains structure and shifts to lower energy. While the rate of decay of the PL increases at short wavelengths and remains almost constant at long wavelengths. Using a simple kinetic scheme involving an intra-chain and an inter-chain excitation, we have successfully explained these data in terms of a delayed luminescence model.

Original language	English
Pages (from-to)	158-161
Number of pages	4
Journal	Synthetic Metals
Volume	101
Issue number	1
DOIs	https://doi.org/10.1016/S0379-6779(98)00367-1
Publication status	Published - May 1999

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ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Materials Chemistry
Polymers and Plastics

Cite this

Rumbles, G., Samuel, I. D. W., Collison, C. J., Miller, P. F., Moratti, S. C., & Holmes, A. B. (1999). Temperature dependent photoluminescence from a cyano-substituted phenylene vinylene polymer. Synthetic Metals, 101(1), 158-161. https://doi.org/10.1016/S0379-6779(98)00367-1

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AU - Moratti, S. C.

AU - Holmes, A. B.

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AB - We report some steady-state and time-resolved photoluminescence (PL) studies of a cyano-substituted phenylene vinylene polymer film as a function of temperature. In contrast to simple aromatic molecules, on reducing the temperature the luminescence spectrum drops in intensity, gains structure and shifts to lower energy. While the rate of decay of the PL increases at short wavelengths and remains almost constant at long wavelengths. Using a simple kinetic scheme involving an intra-chain and an inter-chain excitation, we have successfully explained these data in terms of a delayed luminescence model.

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10.1016/S0379-6779(98)00367-1