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Near unity ultraviolet absorption in graphene without patterning

Near unity ultraviolet absorption in graphene without patterning
Near unity ultraviolet absorption in graphene without patterning
Enhancing the light–matter interaction of graphene is an important issue for related photonic devices and applications. In view of its potential ultraviolet applications, we aim to achieve extremely high ultraviolet absorption in graphene without any nanostructure or microstructure patterning. By manipulating the polarization and angle of incident light, the ultraviolet power can be sufficiently coupled to the optical dissipation of graphene based on single-channel coherent perfect absorption in an optimized multilayered thin film structure. The ultraviolet absorbance ratios of single and four atomic graphene layers are enhanced up to 71.4% and 92.2%, respectively. Our research provides a simple and efficient scheme to trap ultraviolet light for developing promising photonic and optoelectronic devices based on graphene and potentially other 2D materials.
0003-6951
Zhu, Jinfeng
2196d879-479e-459d-9f27-7cafdafb2018
Yan, Shuang
0cce534f-8ddd-4108-94c0-4800dfc6c2b1
Feng, Naixing
6ecddbb2-88c5-4bd1-9f0b-9c4dee76ced4
Ye, Longfang
3c52a6db-b546-4441-90c5-cabf72eedf67
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Liu, Qing Huo
7b3a1be8-7056-406e-aa6a-0cabc55e7cfd
Zhu, Jinfeng
2196d879-479e-459d-9f27-7cafdafb2018
Yan, Shuang
0cce534f-8ddd-4108-94c0-4800dfc6c2b1
Feng, Naixing
6ecddbb2-88c5-4bd1-9f0b-9c4dee76ced4
Ye, Longfang
3c52a6db-b546-4441-90c5-cabf72eedf67
Ou, Jun-Yu
3fb703e3-b222-46d2-b4ee-75f296d9d64d
Liu, Qing Huo
7b3a1be8-7056-406e-aa6a-0cabc55e7cfd

Zhu, Jinfeng, Yan, Shuang, Feng, Naixing, Ye, Longfang, Ou, Jun-Yu and Liu, Qing Huo (2018) Near unity ultraviolet absorption in graphene without patterning. Applied Physics Letters, 112, [153106]. (doi:10.1063/1.5022768).

Record type: Article

Abstract

Enhancing the light–matter interaction of graphene is an important issue for related photonic devices and applications. In view of its potential ultraviolet applications, we aim to achieve extremely high ultraviolet absorption in graphene without any nanostructure or microstructure patterning. By manipulating the polarization and angle of incident light, the ultraviolet power can be sufficiently coupled to the optical dissipation of graphene based on single-channel coherent perfect absorption in an optimized multilayered thin film structure. The ultraviolet absorbance ratios of single and four atomic graphene layers are enhanced up to 71.4% and 92.2%, respectively. Our research provides a simple and efficient scheme to trap ultraviolet light for developing promising photonic and optoelectronic devices based on graphene and potentially other 2D materials.

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More information

Accepted/In Press date: 29 March 2018
e-pub ahead of print date: 11 April 2018

Identifiers

Local EPrints ID: 419987
URI: http://eprints.soton.ac.uk/id/eprint/419987
ISSN: 0003-6951
PURE UUID: 733d8d4d-0c14-4459-93a1-aa7a8886cc88
ORCID for Jun-Yu Ou: ORCID iD orcid.org/0000-0001-8028-6130

Catalogue record

Date deposited: 25 Apr 2018 16:30
Last modified: 16 Mar 2024 04:07

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Contributors

Author: Jinfeng Zhu
Author: Shuang Yan
Author: Naixing Feng
Author: Longfang Ye
Author: Jun-Yu Ou ORCID iD
Author: Qing Huo Liu

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