
226 HIGH PERFORMANCE POLYMERS
Table 9.4 Diazoles and Triazoles for Poly(amide)s [35]
Compound
1,3-Bis[5
-[3
-(
p
-aminophenoxy)-phenyl]-oxadiazol-2-yl]benzene
4,4
-Bis-(
p
-aminophenoxy)diphenyl-1,3,4-thiadiazole
3-(3-aminophenyl)-5-[3
-(4-aminophenoxy)phenyl]-1,2,4-triazole
3-(3-aminophenyl)-5-[3
-(4-aminophenylsulfonyl)phenyl]-1,2,4-triazole
N
N
N
C
CH
3
CH
3
CH
3
Figure 9.8 3-(4-Biphenylyl)-4-phenyl-5-(
tert
-butylph-
enyl)-1,2,4-triazole.
diphosphonium salt and the corresponding dialdehyde
monomers, respectively [39].
TAZ, c.f. Figure 9.8,is alow electron mobility mate-
rial. It can be used as a hole blocking layer, which may
limit electron injection and transfer