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Title: Graphene terahertz modulators by ionic liquid gating
Authors: Wu, Yang
La-o-vorakiat, Chan
Qiu, Xuepeng
Liu, Jingbo
Deorani, Praveen
Banerjee, Karan
Son, Jaesung
Chen, Yuanfu
Yang, Hyunsoo
Chia, Elbert E. M.
Keywords: DRNTU::Engineering::Materials::Energy materials
Issue Date: 2015
Source: Wu, Y., La-o-vorakiat, C., Qiu, X., Liu, J., Deorani, P., Banerjee, K., et al. (2015). Graphene terahertz modulators by ionic liquid gating. Advanced materials, 27(11), 1874-1879.
Series/Report no.: Advanced materials
Abstract: Excellent-performance terahertz (THz) modulators based on graphene/ionic liquid/graphene sandwich structures are demonstrated. The modulation covers a broadband frequency range from 0.1 to 2.5 THz with a modulation depth of up to 99% by applying a small gate voltage of 3 V. The outstanding performance of the proposed devices is due to the conical band structure of the graphene and the powerful gating effect of the ionic liquid in proximity to the graphene.
ISSN: 0935-9648
DOI: 10.1002/adma.201405251
Rights: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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