Volume 57, Issue 14 pp. 3588-3592
Communication

Toward Thiophene-Annulated Graphene Nanoribbons

Dandan Miao

Dandan Miao

Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, G1V 0A6 Canada

These authors contributed equally to this work.

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Maxime Daigle

Maxime Daigle

Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, G1V 0A6 Canada

These authors contributed equally to this work.

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Andrea Lucotti

Andrea Lucotti

Dipartimento di Chimica, Materiali e Ingegneria Chimica “G. Natta”, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy

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Joël Boismenu-Lavoie

Joël Boismenu-Lavoie

Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, G1V 0A6 Canada

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Matteo Tommasini

Matteo Tommasini

Dipartimento di Chimica, Materiali e Ingegneria Chimica “G. Natta”, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milano, Italy

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Prof. Jean-François Morin

Corresponding Author

Prof. Jean-François Morin

Département de chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, G1V 0A6 Canada

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First published: 06 February 2018
Citations: 45

Graphical Abstract

GN'R light: Narrow thiophene-edged graphene nanoribbons (GNRs) were prepared from polychlorinated thiophene-containing poly(p-phenylene)s using photochemical, metal-free cyclodehydrochlorination (CDHC). The regioselectivity of the CDHC reaction allows the preparation of both longitudinally symmetrical and unsymmetrical GNRs and, consequently, modulation of their optical and electronic properties.

Abstract

Narrow thiophene-edged graphene nanoribbons (GNRs) were prepared from polychlorinated thiophene-containing poly(p-phenylene)s using the photochemical, metal-free cyclodehydrochlorination (CDHC) reaction. 1H NMR and Raman spectroscopy confirmed the structures of the GNRs. The regioselectivity of the CDHC reaction allows the preparation of both laterally symmetrical and unsymmetrical GNRs and, consequently, the modulation of their optical and electronic properties.

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