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A Porphyrin‐Based Discrete Tetragonal Prismatic Cage: Host–Guest Complexation and Its Application in Tuning Liquid‐Crystalline Behavior
Author(s) -
Yu Guocan,
Ye Yang,
Tong Zaizai,
Yang Jie,
Li Zhengtao,
Hua Bin,
Shao Li,
Li Shijun
Publication year - 2016
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.201600280
Subject(s) - coronene , tetragonal crystal system , supramolecular chemistry , porphyrin , pyrene , liquid crystal , materials science , molecule , crystallography , triangular prism , crystal structure , chemistry , photochemistry , organic chemistry , optics , optoelectronics , physics
The host–guest complexation between a porphyrin‐based 3D tetragonal prism ( H ) and electron‐rich pyrene is investigated. This host–guest molecular recognition is further utilized to suppress the liquid‐crystalline behavior of a nematic molecule ( G ) containing cyanobiphenyl mesogens functionalized with a pyrenyl unit. Furthermore, coronene, with an increased number of π‐electrons, is used as a competitive guest to recover the liquid‐crystalline behavior of G . This supramolecular approach provides a glimpse of the new possibilities to modulate the structures of the mesophases.