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Issue 12, 2016
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Magnetism of N-doped graphene nanoribbons with zigzag edges from bottom-up fabrication

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Abstract

Graphene nanoribbon is a promising architecture for the development of advanced spintronic and other electronic-based devices. However, experimentally researching the magnetic properties of graphene nanoribbons is often obstructed by the key challenges in the synthesis of how to obtain the required chemical precision for control over edge structures and width. Here we synthesized two graphene nanoribbons with atomically precise N-doping at zigzag sites prepared from bottom-up fabrication by a condensation reaction. Our work clarifies the experimental issue of graphene nanoribbon's magnetism. Two graphene nanoribbons lead to notable paramagnetism, which is not from residual magnetic impurities. In the process of optimizing the preparation conditions, we found that the elevated synthesis pressure and using 1-methyl-2-pyrrolidinone as solvent could lead to production of larger graphene nanoribbon skeletons with N-doped zigzag edges and then to improve the magnetization. These results provide a feasible and very attractive strategy to achieve the required atomic precision and experimentally guide future research for the magnetic properties of graphene-based materials by changing reaction precursors.

Graphical abstract: Magnetism of N-doped graphene nanoribbons with zigzag edges from bottom-up fabrication

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Supplementary files

Article information


Submitted
07 Dec 2015
Accepted
13 Jan 2016
First published
25 Jan 2016

RSC Adv., 2016,6, 10017-10023
Article type
Communication

Magnetism of N-doped graphene nanoribbons with zigzag edges from bottom-up fabrication

J. Xu, W. Zhang, C. Wei, J. Huang, Z. Mao and G. Yu, RSC Adv., 2016, 6, 10017
DOI: 10.1039/C5RA26075B

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