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Jamasb S. A Physical Model for Long-term Instability in Organic Light-emitting Diodes, OLEDs. ICOP & ICPET _ INPC _ ICOFS 2015; 21 :649-652
URL: http://opsi.ir/article-1-652-en.html
URL: http://opsi.ir/article-1-652-en.html
Hamedan University of Technology
Abstract: (3443 Views)
A Physical model for instability in organic light-emitting diodes (OLEDs) is presented. In OLED, instability manifests itself as a monotonic temporal decrease in luminous intensity. The mechanism underlying instability in OLED is shown to be associated with dispersive transport involving hopping between trap states in the light-emitting layer. The proposed model exhibits quantitative agreement with measured luminous intensity data.
Keywords: Dispersive transport, Long-term instability, Organic light-emitting diode, power law, stretched exponential decay
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