| abstract |
The present invention discloses a liquid crystalline tetra alkyloxy-substituted phthalocyanine derivative with the following structure: (I) n n nwhere M is a metal such as zinc (Zn), copper (Cu), platinum (Pt), palladium (Pd), or two atoms such as 2 H or 2 Li, and R is the followed branched aliphatic chain: (II) n nwith n=0 and x=6-30 y=6-30 z=0-30 or n=1 and x=10-30 y=6-30 z=0-30 or n>1 and x=6-30 y=6-30 z=6-30. |