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Laser direct writing of graphene nanostructures beyond the diffraction limit by graphene oxidation
Author(s) -
Xiaodan Xu,
Bin Shi,
Xinzheng Zhang,
Yang Liu,
Wei Cai,
Mengxin Ren,
Xiaojie Jiang,
R. A. Rupp,
Qiang Wu,
Jingyi Xu
Publication year - 2018
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.26.020726
Subject(s) - graphene , materials science , plasmon , femtosecond , laser , nanotechnology , graphene nanoribbons , optoelectronics , fabrication , nanostructure , diffraction , optics , physics , medicine , alternative medicine , pathology
The fabrication ability of graphene nanostructures is the cornerstone of graphene-based devices, which are of particular interest because of their broad optical response and gate-tunable properties. Here, via laser-induced redox reaction of graphene and silica, we fabricate nano-scale graphene structures by femtosecond laser direct writing. The resolution of destructed graphene lines is far beyond the diffraction limit up to 100 nm with a precision as small as ± 7 nm. Consequently, graphene nanostructures are fabricated precisely and excellent plasmon responses are detected. This novel fabrication method of graphene nanostructures has the advantages of low costs, high efficiency, maskless and especially high precision, which would pave the way for practical application of graphene-based optical and electronic devices.

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