Universität zu Köln

Jin, Lei, Bilbao, Nerea ORCID: 0000-0001-7368-3322, Lv, Yang, Wang, Xiao-Ye ORCID: 0000-0003-3540-0277, Soltani, Paniz, Mali, Kunal S., Narita, Akimitsu, De Feyter, Steven ORCID: 0000-0002-0909-9292, Muellen, Klaus and Chen, Zongping (2021). 2D self-assembly and electronic characterization of oxygen-boron-oxygen-doped chiral graphene nanoribbons. Chem. Commun., 57 (49). S. 6031 - 6035. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1364-548X

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Abstract

Graphene nanoribbons (GNRs), quasi-one-dimensional strips of graphene, exhibit a nonzero bandgap due to quantum confinement and edge effects. In the past decade, different types of GNRs with atomically precise structures have been synthesized by a bottom-up approach and have attracted attention as a novel class of semiconducting materials for applications in electronics and optoelectronics. We report the large-scale, inexpensive growth of high-quality oxygen-boron-oxygen-doped chiral GNRs with a defined structure using chemical vapor deposition. For the first time, a regular 2D self-assembly of such GNRs has been demonstrated, which results in a unique orthogonal network of GNRs. Stable and large-area GNR films with an optical bandgap of similar to 1.9 eV were successfully transferred onto insulating substrates. This ordered network structure of semiconducting GNRs holds promise for controlled device integration.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Jin, Lei UNSPECIFIED UNSPECIFIED UNSPECIFIED Bilbao, Nerea UNSPECIFIED orcid.org/0000-0001-7368-3322 UNSPECIFIED Lv, Yang UNSPECIFIED UNSPECIFIED UNSPECIFIED Wang, Xiao-Ye UNSPECIFIED orcid.org/0000-0003-3540-0277 UNSPECIFIED Soltani, Paniz UNSPECIFIED UNSPECIFIED UNSPECIFIED Mali, Kunal S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Narita, Akimitsu UNSPECIFIED UNSPECIFIED UNSPECIFIED De Feyter, Steven UNSPECIFIED orcid.org/0000-0002-0909-9292 UNSPECIFIED Muellen, Klaus UNSPECIFIED UNSPECIFIED UNSPECIFIED Chen, Zongping UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-590574
DOI:	10.1039/d1cc01901e
Journal or Publication Title:	Chem. Commun.
Volume:	57
Number:	49
Page Range:	S. 6031 - 6035
Date:	2021
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	1364-548X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CHEMICAL-VAPOR-DEPOSITION; BOTTOM-UP FABRICATION; GAP Multiple languages Chemistry, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/59057