Abstract:
Poly N-Vinylcarbazole (PVK) is one of the most of
ten used polymer host materials for
optoelectronic devices based on molecularly doped s
ystems, due to its good film forming
properties, relatively high hole mobility, and larg
e highestoccupied molecular orbital, lowest
unoccupied molecular orbital (HOMO-LUMO). Since pu
r PVK has poor electrontransporting
properties.
In this work, we present an important synthesis of
some of monomers of alkenyl carbazole
unsubstituted and substituted in pendent carbazolic
group.
These monomers are synthesized, in order to put oth
er functions, to polymerize them and to use
them in making charge transfer complexes materials.
The N-alkenylcarbazole having a short
aliphatic chain has been polymerized before, with a
great difficulty; either by radical, anionic or
by Ziegler-natta systems. The less activity of N-Al
lyl carbazole is due to the steric effects and to
its deficiency in stability by resonance. Aiming to
enhance the reactivity of the monomer, we
introduced some constituents, attractor of electron
; aiming by this to diminish the influence of
the carbazolic groupe on the double bonds of the al
iphatic chain and hopping that we will obtain
polymers that manifest some photoelectric activitie
s.
