An unusual plank-shaped nematogen with a graphene nanoribbon core

Farias, Giliandro; Simeão, David S.; Moreira, Thamires S.; dos Santos, Paloma L.; Bentaleb, Ahmed; Girotto, Edivandro; Monkman, Andrew P.; Eccher, Juliana; Durola, Fabien; Bock, Harald; de Souza, Bernardo; Bechtold, Ivan H.

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.

Citation

Farias, G., Simeão, D. S., Moreira, T. S., dos Santos, P. L., Bentaleb, A., Girotto, E., Monkman, A. P., Eccher, J., Durola, F., Bock, H., de Souza, B., & Bechtold, I. H. (2019). An unusual plank-shaped nematogen with a graphene nanoribbon core. Journal of Materials Chemistry C Materials for optical and electronic devices, 7(39), 12080-12085. https://doi.org/10.1039/c9tc03704g

• Journal Article Type: Article
• Acceptance Date: Sep 11, 2019
• Online Publication Date: Sep 12, 2019
• Publication Date: Sep 21, 2019
• Deposit Date: Nov 1, 2019
• Publicly Available Date: Sep 11, 2020
• Journal: Journal of Materials Chemistry C Materials for optical and electronic devices
• Print ISSN: 2050-7526
• Electronic ISSN: 2050-7534
• Publisher: Royal Society of Chemistry
• Peer Reviewed: Peer Reviewed
• Volume: 7
• Issue: 39
• Pages: 12080-12085
• DOI: https://doi.org/10.1039/c9tc03704g
• Public URL: https://durham-repository.worktribe.com/output/1279078