Issue 27, 2016

Nematic ionic liquid crystals based on pyridinium salts derived from 4-hydroxypyridine

Abstract

A series of pyridinium salts with various counterions (Br, NO3, BF4, PF6, OTf and SCN) and different spacer chain lengths, which display a nematic phase, have been designed and prepared. They are derived from 4-hydroxypyridine and possess two mesogenic cyanobiphenyl groups attached to the pyridinium unit via a flexible long alkyl spacer (6, 9, 10). These salts exhibit solely a nematic phase with the thermal range influenced by the counterion employed and spacer length.

Graphical abstract: Nematic ionic liquid crystals based on pyridinium salts derived from 4-hydroxypyridine

Supplementary files

Article information

Article type
Communication
Submitted
18 Mar 2016
Accepted
10 May 2016
First published
10 May 2016

CrystEngComm, 2016,18, 5066-5069

Nematic ionic liquid crystals based on pyridinium salts derived from 4-hydroxypyridine

A. Pană, I. Pasuk, M. Micutz and V. Cîrcu, CrystEngComm, 2016, 18, 5066 DOI: 10.1039/C6CE00618C

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