A flexible graphene terahertz detector

X. Yang; A. Vorobiev; A. Generalov; M.A. Andersson; J. Stake

doi:10.1063/1.4993434

A flexible graphene terahertz detector

X. Yang, A. Vorobiev, A. Generalov, M.A. Andersson, J. Stake

Not published at VTT

Chalmers University of Technology

Research output: Contribution to journal › Article › Scientific › peer-review

66 Citations (Scopus)

Abstract

We present a flexible terahertz (THz) detector based on a graphene field-effect transistor fabricated on a plastic substrate. At room temperature, this detector reveals voltage responsivity above 2 V/W and estimated noise equivalent power (NEP) below 3 nW/ Hz at 487 GHz. We have investigated the effects of bending strain on DC characteristics, voltage responsivity, and NEP of the detector, and the results reveal its robust performance. Our findings have shown that graphene is a promising material for the development of THz flexible technology.

Original language	English
Journal	Applied Physics Letters
Volume	111
Issue number	2
DOIs	https://doi.org/10.1063/1.4993434
Publication status	Published - 2017
MoE publication type	A1 Journal article-refereed

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AU - Vorobiev, A.

AU - Generalov, A.

AU - Andersson, M.A.

AU - Stake, J.

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AB - We present a flexible terahertz (THz) detector based on a graphene field-effect transistor fabricated on a plastic substrate. At room temperature, this detector reveals voltage responsivity above 2 V/W and estimated noise equivalent power (NEP) below 3 nW/ Hz at 487 GHz. We have investigated the effects of bending strain on DC characteristics, voltage responsivity, and NEP of the detector, and the results reveal its robust performance. Our findings have shown that graphene is a promising material for the development of THz flexible technology.

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A flexible graphene terahertz detector

Abstract

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