Plasmon-Activated Gas Sensor Based on Lossy MoS2/Au Coated Optical Fibre

Teymoordel, Z., Parvizi, R. and Heidari, H. (2022) Plasmon-Activated Gas Sensor Based on Lossy MoS2/Au Coated Optical Fibre. In: 29th IEEE International Conference on Electronics, Circuits and Systems (ICECS 2022), Glasgow, UK, 24-26 October 2022, ISBN 9781665488235 (doi: 10.1109/ICECS202256217.2022.9971121)

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Herein, we study the realization of the optical concept of hybrid surface plasmon resonance (SPR) and lossy mode resonance (LMR) that gives rise to the plasmonic hot electron transfer from an Au thin film to Mos2layers coated on polymer optical fibre to address the gas sensing at ambient condition. The altered properties in the surrounding environment, in turn, can lead to changes in the resonance dip wavelength stemming from the emerged surface Plasmon and lossy modes of Mos2/Au bilayer thin film coated on the optical fibre as the transducing medium. The comparative experimental studies of transmitted light through the coated fibre reveal evidence of Plasmon-enhanced charge injection from Au to a sensing surface and provides a substantial advancement toward optical devices based on hot-electrons technology. This result can help for breathing measurements based on humidity which is the essential parameters in the health monitoring of patients in critical care.

Item Type:Conference Proceedings
Additional Information:The research leading to these results was supported by the Research Council of the University of Yasouj (Grant no. Gryu89131107) and the authors also thankful to the University of Glasgow for supporting under the British Council project “FlexEnerSys” under grant 310409-01.
Glasgow Author(s) Enlighten ID:Parvizi, Dr Roghaieh and Heidari, Professor Hadi
Authors: Teymoordel, Z., Parvizi, R., and Heidari, H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
310409Investigation in Advanced Energy Harvesters and Energy Storage Devices for Self-powered Flexible Energy SystemsHadi HeidariBritish Council (UK) (BRCOU-UK)Q436CGOENG - Electronics & Nanoscale Engineering