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Polymer matrix based phosphorescent emitters

 
: Krueger, H.; Thesen, M.; Janietz, S.; Fischer, B.; Wedel, A.

Society for Information Display -SID-:
Proceedings of the 25th International Display Research Conference. CD-ROM : 20 - 22 September 2005, Edinburgh
2005
ISSN: 1083-1312
S.418-420
Internatioanl Display Research Conference <25, 2005, Edinburgh>
EuroDisplay <25, 2005, Edinburgh>
Englisch
Konferenzbeitrag
Fraunhofer IAP ()

Abstract
In this paper, we describe the synthesis of a new polyvinyl-carbazole with blocked 3,6-position. As a result of the substitution with tert.-butyl groups the HOMO energy level is shifted to -5,4 eV which allows a better adaption to the work function of PEDOT/PSS. The improvement in hole injection leads to a more efficient device and therefore it is not necessary to add any further hole transporting material.

: http://publica.fraunhofer.de/dokumente/N-170100.html