Issue 39, 2019

An unusual plank-shaped nematogen with a graphene nanoribbon core

Abstract

A [12]phenacene exclusively decorated with four lateral hexylester substituents self-assembles into a nematic liquid crystal glass on cooling after melting at high temperature. This uniaxial nematic organization of a plank-shaped nanographene is unprecedented and in strong contrast to the common design rules for liquid crystals. Highly birefringent samples emitting polarized fluorescence can be obtained in homogeneously planar or twisted waveguiding configurations that are stable against crystallization at and below room temperature and up to 100 °C.

Graphical abstract: An unusual plank-shaped nematogen with a graphene nanoribbon core

Supplementary files

Article information

Article type
Communication
Submitted
08 juil. 2019
Accepted
11 sept. 2019
First published
12 sept. 2019

J. Mater. Chem. C, 2019,7, 12080-12085

An unusual plank-shaped nematogen with a graphene nanoribbon core

G. Farias, D. S. Simeão, T. S. Moreira, P. L. dos Santos, A. Bentaleb, E. Girotto, A. P. Monkman, J. Eccher, F. Durola, H. Bock, B. de Souza and I. H. Bechtold, J. Mater. Chem. C, 2019, 7, 12080 DOI: 10.1039/C9TC03704G

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