2c03 Discotic Liquid Crystals of Organic Metal Complexes (107) : Synthesis and Properties of Alkylthio-substituted Phthalocyanine-Fullerene Dyads

Abstract

Previously, we prepared donor-acceptor dyad (1) linking a discotic liquid-crystalline phthalocyanine (Pc) and fullerene (C_<60>), and established the perfect homeotropic alignment from room temperature. However, the synthetic route was so long that the total yield was low. This is a big problem for their pratical applications. In this work, we have successfully prepared a novel type of dyads (2a and 2b) consisting C_<60> and a Pc directly substituted by alkylthio groups, by using an easy synthetic method. Furthermore, we found that the dyads also show homeotropic alignment and helical structure of C_<60>.