Nayak, Pabitra K. ; Agarwal, Neeraj ; Periasamy, N. ; Patankar, Meghan P. ; Narasimhan, K. L. (2010) Pure exciplex electroluminescence in blended film of small organic molecules Synthetic Metals, 160 (7-8). pp. 722-727. ISSN 0379-6779
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S03796...
Related URL: http://dx.doi.org/10.1016/j.synthmet.2010.01.010
Abstract
3,6-diarylcarbazole derivatives, 3,6-di-(p-cyanophenyl)-N-hexylcarbazole (CNHC) and 3,6-di-(p-acetylphenyl)-N-hexylcarbazole (ANHC) were synthesized, characterized and energy levels determined. Steady state fluorescence of these molecules showed blue emission in thin films. Blends of these molecules with N,N'-diphenyl-N,N'-(bis(3-methylphenyl)-1,1'-biphenyl-4,4'-diamine (TPD) showed exciplex emission as the dominant one. Single layer organic light emitting devices (OLEDs) of CNHC, ANHC and their blends with TPD were fabricated using ITO as anode and Ca as cathode. The blend film devices showed pure exciplex electroluminescence.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | OLED; Electroluminescence; Exciplex; Blend Film |
| ID Code: | 38029 |
| Deposited On: | 22 Apr 2011 12:39 |
| Last Modified: | 05 May 2011 03:47 |
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