Gas identification with graphene plasmons

Hai Hu; Xiaoxia Yang; Xiangdong Guo; Kaveh Khaliji; Sudipta Romen Biswas; F. Javier García de Abajo; Tony Low; Zhipei Sun; Qing Dai

doi:10.1038/s41467-019-09008-0

Gas identification with graphene plasmons

Hai Hu, Xiaoxia Yang, Xiangdong Guo, Kaveh Khaliji, Sudipta Romen Biswas, F. Javier García de Abajo, Tony Low, Zhipei Sun, Qing Dai^*

^*Corresponding author for this work

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

38 Citations (Scopus)

191 Downloads (Pure)

Abstract

Identification of gas molecules plays a key role a wide range of applications extending from healthcare to security. However, the most widely used gas nano-sensors are based on electrical approaches or refractive index sensing, which typically are unable to identify molecular species. Here, we report label-free identification of gas molecules SO2, NO2, N2O, and NO by detecting their rotational-vibrational modes using graphene plasmon. The detected signal corresponds to a gas molecule layer adsorbed on the graphene surface with a concentration of 800 zeptomole per mu m(2), which is made possible by the strong field confinement of graphene plasmons and high physisorption of gas molecules on the graphene nanoribbons. We further demonstrate a fast response time (

Original language	English
Article number	1131
Number of pages	7
Journal	Nature Communications
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41467-019-09008-0
Publication status	Published - 8 Mar 2019
MoE publication type	A1 Journal article-refereed

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10.1038/s41467-019-09008-0Licence: CC BY

ELEC_Sun_Gas identification_Nature CommunicationsFinal published version, 954 KBLicence: CC BY

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Projects

4 Finished
4 Active

A-Photonics

Pyymaki Perros, A., Rajamanickam, R., Sun, Z., Hedberg, D., Lau Kuen Yao, L., Kim, M., Dai, Y. & Du, M.

01/01/2019 → 31/05/2021

Project: Business Finland: New business from research ideas (TUTLI)

S2QUIP: Scalable Two-Dimensional Quantum Integrated Photonics

Sun, Z., Turunen, M., Du, M., Hu, X., Bai, X., Uddin, M., Wang, Y. & Mohsen, A.

01/10/2018 → 30/09/2022

Project: EU: Framework programmes funding

LAYERED 2D MATERIALS BASED THZ SPECTROSCOPY AND IMAGING

Sun, Z., Das, S., Generalov, A. & Uddin, M.

01/01/2018 → 31/12/2021

Project: Academy of Finland: Other research funding

Cite this

Hu, H., Yang, X., Guo, X., Khaliji, K., Biswas, S. R., García de Abajo, F. J., Low, T., Sun, Z., & Dai, Q. (2019). Gas identification with graphene plasmons. Nature Communications, 10(1), [1131]. https://doi.org/10.1038/s41467-019-09008-0

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AU - Low, Tony

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