
MOMMixtures |
Component-1 |
Component-2 |
Component-3 |
Metal Complex |
|||
R |
R’ |
R |
R’ |
R |
R’ |
||
Snia-1 |
R4 |
R3 |
R4 |
R4 |
R3 |
R3 |
Ni2+ |
Snia-2 |
R4 |
R3 |
R4 |
R4 |
R3 |
R3 |
VO2+ |
Snia-4 |
R1 |
R1 |
R1 |
R1 |
R1 |
R1 |
Ni2+ |
Snia-6 |
R1 |
R1 |
R1 |
R1 |
R1 |
R1 |
VO2+ |
Snia-5 |
R1 |
R3 |
R1 |
R1 |
R3 |
R3 |
Ni2+ |
Snia-7 |
R1 |
R3 |
R1 |
R1 |
R3 |
R3 |
VO2+ |
Snia-8 |
R2 |
R2 |
R2 |
R2 |
R2 |
R2 |
Ni2+ |
Snia-10 |
R2 |
R2 |
R2 |
R2 |
R2 |
R2 |
VO2+ |
Snia-9 |
R2 |
R3 |
R2 |
R2 |
R3 |
R3 |
Ni2+ |
Snia-11 |
R2 |
R3 |
R2 |
R2 |
R3 |
R3 |
VO2+ |
Table 1: The R and R’ components of MOM chemical mixtures by one-pot solution synthesis method
Compound |
Transition Temperature (°C) |
Mesophase |
|||
Heating* |
Cooling* |
||||
Tcm |
Tmi |
Tim |
Tmc |
||
Snia-3 (ligand) |
95 |
149 |
146 |
<93> |
Nematic |
Snia1-Ni |
110 & 130 |
157 |
154 |
Super Cool |
Nematic |
Snia2-VO |
70 & 97 |
106 |
104 |
Super Cool |
Nematic |
Snia4-Ni |
104 |
134 |
132 |
Super Cool |
Cholesteric |
Snia6 -VO |
78 |
90 |
78 |
Super Cool |
Smectic |
Snia5-Ni |
95 |
132 |
130 |
Super Cool |
Smectic |
Snia7-VO |
76 |
85 |
83 |
Super Cool |
Cholesteric |
Snia8-Ni |
- |
95 |
93 |
Super Cool |
Cholesteric |
Snia10-VO |
- |
79 |
77 |
Super Cool |
Cholesteric |
Snia9-Ni |
70 |
105 |
102 |
Super Cool |
Smectic |
Snia11-VO |
- |
41 |
39 |
Super Cool |
Smectic |
Table 2: Phase transitions & mesomorphism of one-pot chemical mixtures of Ni2+ and VO2+ MOM complexes
DSC heating rate = 10oC/minute & cooling rate = 3oC/minute.
Components Mixture |
Transition Temperature (°C) |
Mesophase |
|||
Heating* |
Cooling* |
||||
Tcm |
Tmi |
Tim |
Tmc |
||
TNO623 |
- |
105 |
103 |
-35 |
Nematic |
Snia8-Ni |
- |
95 |
94-92 |
Super Cool |
Cholesteric |
Snia8-Ni / TNO623(1:9 wt%) |
- |
100-101 |
99-96 |
Super Cool |
Cholesteric |
Table 3: Transition temperature and mesomorphism of Snia8-Ni/TNO623 (1/9wt%) guest-host mixture
*DSC heating & cooling rates = 3ominutes.
Tables at a glance
Figures at a glance