Nayak, Pabitra K. ; Patankar, Meghan P. ; Narasimhan, K. L. ; Periasamy, N. (2010) Excited state complex and electroluminescence in TPD-based single layer device Journal of Luminescence, 130 (7). pp. 1174-1178. ISSN 0022-2313
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00222...
Related URL: http://dx.doi.org/10.1016/j.jlumin.2010.02.016
Abstract
N-N'-diphenyl-N,N'-(bis(3-methylphenyl)-1,1'-biphenyl-4,4'-diamine) (TPD), was used to fabricate single layer devices (ITO/TPD/Ca/Al). A near-white emission (CIE coordinate of 0.25, 0.24) is observed in electroluminescence (EL) of the single layer device with prominent emission bands at 400, 475 and 670 nm. Steady state and time-resolved emission spectra of spin-coated and annealed TPD films and TRES and TRANES analysis confirmed that emission at 400 and 475 nm are due to monomer and excimer emission, respectively. The origin of the red emission at 670 nm in EL is discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | TPD; Excimer and White OLED |
| ID Code: | 38047 |
| Deposited On: | 22 Apr 2011 13:38 |
| Last Modified: | 22 Apr 2011 13:38 |
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