Lyotropic liquid crystalline phthalocyanines containing 4-((S)-3,7-dimethyloctyloxy)phenoxy moieties


KORKUT S. , OCAK H. , Bilgin-Eran B. , GUZELLER D., ŞENER M. K.

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, vol.21, no.1, pp.16-23, 2017 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 21 Issue: 1
  • Publication Date: 2017
  • Doi Number: 10.1142/s1088424616501261
  • Title of Journal : JOURNAL OF PORPHYRINS AND PHTHALOCYANINES
  • Page Numbers: pp.16-23

Abstract

The novel metal free phthalocyanine and its copper complex which are octa-substituted at the peripheral positions with 4-((S)-3,7-dimethlyoctyloxy) phenoxy moieties were synthesized and characterized by FT-IR, H-1 NMR and mass spectroscopy. Their mesomorphic properties were studied by polarizing optical microscopy. The spectroscopic properties and aggregation behaviors of the novel phthalocyanines were also investigated by UV-vis spectroscopy in different solvents with same concentration as well as in a wide range of concentrations of chloroform. Both compounds with chloroform and n-dodecane clearly show the lyotropic columnar mesophase in a wide temperature range whereas thermotropic liquid crystalline behavior for both compounds is not observed. Both of these novel compounds show no aggregation in toluene, tetrahydrofuran, dichloromethane and chloroform