Biomedical Engineering Reference
In-Depth Information
Ar
O
O
H
N
N
H
H
N
N
N
N
3 ArCOOH
EtOH
H
N
N
H
H
O
H
O
N
N
H
H
Ar
O
N
N
O
Ar
60
61a-d
Figure 9.23
Self-assembly of carboxylic acid around trisimidazole.
Table 9.11
Phase transition behavior of Self-assembly of carboxylic acid around
trisimidazole.
Compound
Ar
Phase transition behavior
61a
3,4,5-(C
12
H
25
O)
3
C
6
H
2
Cr 63 M 214 I
61b
3,4-(C
10
H
25\1
O)2C
6
H
3
Cr 79 M 244 I
61c
3,4-(C
12
H
25
O)2C
6
H
3
Cr 72 M 240 I
61d
4-C
12
H
25
OC
6
H
4
Cr
1
62 Cr
2
188 I
A
BF
4
62a
: Cr (Lam)
O
3
S
62b
: Cr (Col
h
)
A
A
-
62c
: Cr (Col
h
)
A
O
3
S
N
62d
: Col 180 I
A
O
3
S
62e
: Col 180 I
A
O
3
S
62a-e
Figure 9.24
Quinolizinophenanthridinylium cation-based ionic liquid crystals.
aromatic units and the three peripheral alkyl chains segregate and form
lamellar structure. Changing the alkyl chains changes the alkyl layer thick-
ness only. h is lamellar ordering can be obtained in spin-cast thin i lms
as well.
