New Glassing Mesogens

Abstract

With the purpose to study the influence of bulky symmetrical and asymmetrical substituents on mesomorphic properties and the tendency to exhibit glass state transition, tetrasubstituted phthalocyanine and porphyrazine derivatives, as well as 1,4- and 1,3,5- substituted benzene derivatives were synthesized. The compounds, simultaneously possessing the ability of glass formation from mesophase with the retention of columnar order, absorption in the visible part of the spectrum and electrophysical characteristics suitable for application, contribute to the essentially new approach to the synthesis of materials for optoelectronics.

Keywords:

• benzene derivatives
• glassing mesogens
• phthalocyanine
• porphyrazine

Acknowledgments

The work is carried out with the financial support of the RFBR (grant No 07-03-00427) and the Ministry of Education and Science of the RF (grant RNP.2.2.1.1.7280).