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Proceedings Paper

Effects of plasmonic substrates on the photo-stability of organic polymer
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Paper Abstract

There is a growing demand to improve the operational lifetime of electroluminescent (EL) devices utilizing conjugated polymers which are often deposited over metal electrodes. Photo-degradation of the emissive organic layer is one factor that decreases the overall efficiency and longevity of these devices. Therefore, it is important to investigate the underlying photochemistry at metal-polymer interface. Here, effects of metal films on the emission properties of organic polymers are studied using total internal reflection fluorescence (TIRF) microscopy. It is observed that poly(phenylene vinylene) (MEHPPV) exhibits a remarkable increase in photo-stability when deposited on gold films relative to that on glass even in the presence of molecular oxygen and under continuous laser illumination. It is proposed that this interesting property is due to the surface plasmon of Au films.

Paper Details

Date Published: 12 October 2016
PDF: 4 pages
Proc. SPIE 9923, Physical Chemistry of Interfaces and Nanomaterials XV, 992311 (12 October 2016); doi: 10.1117/12.2238261
Show Author Affiliations
Sikandar Abbas, Carnegie Mellon Univ. (United States)
Linda Peteanu, Carnegie Mellon Univ. (United States)

Published in SPIE Proceedings Vol. 9923:
Physical Chemistry of Interfaces and Nanomaterials XV
Artem A. Bakulin; Robert Lovrincic; Natalie Banerji, Editor(s)

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