Tailoring Discotic Mesophases: Columnar Order Enforced with Hydrogen Bonds | Zendy

Gearba R.I. | Zendy; Lehmann M. | Zendy; Levin J. | Zendy; Ivanov D.A. | Zendy; Koch M.H.J. | Zendy; Barberá J. | Zendy; Debije M.G. | Zendy; Piris J. | Zendy; Geerts Y.H. | Zendy

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Tailoring Discotic Mesophases: Columnar Order Enforced with Hydrogen Bonds

Author(s) -

Gearba R.I.,

Lehmann M.,

Levin J.,

Ivanov D.A.,

Koch M.H.J.,

Barberá J.,

Debije M.G.,

Piris J.,

Geerts Y.H.

Publication year - 2003

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200305137

Subject(s) - mesophase , discotic liquid crystal , materials science , stacking , columnar phase , crystallography , hydrogen bond , hexagonal crystal system , liquid crystal , derivative (finance) , molecule , organic chemistry , optoelectronics , chemistry , financial economics , economics

Hydrogen bonding can be used to significantly enforce the intra‐columnar stacking order in discotic mesogens. The ordered hexagonal columnar mesophase of a HAT‐CONHR derivative is characterized by the smallest inter‐disk distance ever found in columnar liquid crystals (3.18–3.20 Å). This additional attractive interaction between the disks in the column results in a regular disc stacking and thus in a high charge‐carrier mobility over the whole investigated temperature range (from room temperature up to 200 °C).

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