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Electroluminescent devices based on rare-earth complex TbY(p-MBA)6(phen)2
- Source :
-
Journal of Luminescence . Jan2007, Vol. 122-123, p671-673. 3p. - Publication Year :
- 2007
-
Abstract
- Abstract: A new rare-earth complex TbY(p-MBA)6(phen)2 was synthesized and studied. Pure green emission was observed from the devices that were fabricated with the structure as follows: Device 1: ITO/PVK: TbY(p-MBA)6(phen)2/LiF/Al; Device 2: ITO/PVK: TbY(p-MBA)6(phen)2/AlQ/LiF/Al. PVK was used to improve the film-forming and hole-transporting properties of the TbY(p-MBA)6(phen)2. The characteristics of these devices were investigated and compared with Tb(p-MBA)3phen, which had been reported. The results show that TbY(p-MBA)6(phen)2 has much better performance than Tb(p-MBA)3phen. This improvement is attributed to the introduction of yttrium. The highest EL brightness of Device 1 is 37.5cd/cm2 at a fixed bias of 19V, and the highest EL brightness of Device 2 reaches 333.7cd/cm2 at 23V. [Copyright &y& Elsevier]
- Subjects :
- *ELECTROLUMINESCENT devices
*YTTRIUM
*OPTOELECTRONIC devices
*RARE earth metals
Subjects
Details
- Language :
- English
- ISSN :
- 00222313
- Volume :
- 122-123
- Database :
- Academic Search Index
- Journal :
- Journal of Luminescence
- Publication Type :
- Academic Journal
- Accession number :
- 23212846
- Full Text :
- https://doi.org/10.1016/j.jlumin.2006.01.256