Laser photolysis studies of the photoinduced production of ion radicals in polymers

N 2-laser flash photolysis measurements of poly (N-vinylcarbazole) (PVCz) and N-isopropylcarbazole (NIPC) with p-dicyanobenzene (DCNB)_in dimethylformide (DMF) show an excitation intensity dependent quantum yield for for ion-radical production. The transient absorbance associated with the ion radica...

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Bibliographic Details
Published in:Chemical physics letters 1979-09, Vol.65 (3), p.574-578
Main Authors: Lachish, Uri, Williams, David J., Anderson, Robert W.
Format: Article
Language:English
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Summary:N 2-laser flash photolysis measurements of poly (N-vinylcarbazole) (PVCz) and N-isopropylcarbazole (NIPC) with p-dicyanobenzene (DCNB)_in dimethylformide (DMF) show an excitation intensity dependent quantum yield for for ion-radical production. The transient absorbance associated with the ion radical species together with light intensity dependent fluorescence decay curves demonstrate that excitation annihilation processes can compete effectively with ion-radical formation at high excitation intensities in this polymer.
ISSN:0009-2614
1873-4448
DOI:10.1016/0009-2614(79)80294-8