Author/Authors :
Grimsdale، نويسنده , , Andrew C. and Cervini، نويسنده , , Raoul and Friend، نويسنده , , Richard H. and Holmes، نويسنده , , Andrew B. and Tae Kim، نويسنده , , Sung and Moratti، نويسنده , , Stephen C.، نويسنده ,
Abstract :
The development of improved polymers for light emitting diodes (LED)s requires fluorescent materials with high electron affinities to act both as emitters and as charge transport materials. In this paper we report the synthesis of novel distyrylpyrazines and distyrylpyrazine- N-oxides as model compounds for novel high electron affinity polymers. The UV-VIS and PL emission spectra demonstate that the emission of these materials can be tuned from blue to red by changing the substituents. Cyclic voltammetry reveals that these compounds possess high electron affinities
Keywords :
high electron affinity , Pyrazines , Oligomers , fluorescence
