On sealing effects and oxygen dependence of non-recoverable intensity drops in short-chain-conjugated polymers

White, J (2002) On sealing effects and oxygen dependence of non-recoverable intensity drops in short-chain-conjugated polymers. Journal of Luminescence, 98 (1-4). pp. 45-48. ISSN 00222313

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Official URL: http://dx.doi.org/10.1016/S0022-2313(02)00250-8

Abstract

The fluorescence time trace of persistent length single poly (2,5-dioctyloxy p-phenylene vinylene) (DOO-PPV) polymers spin-cast in an inert matrix is recorded under different sealing conditions-which effectively results in different levels of oxygen exposure. The frequency of non-recoverable intensity drops is seen to be dependent on oxygen concentration. Qualitative differences in published results for the photophysics of long-chain polymers and rod-like polymers are shown to be due to chain length differences and not due to sealing conditions. (C) 2002 Elsevier Science B.V. All rights reserved.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 25 Aug 2011 01:33
Last Modified: 25 Aug 2011 01:33
URI: http://shdl.mmu.edu.my/id/eprint/2633

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