Graphene Oxide/Gold Coated Kretschmann Surface Plasmon Resonance Setup for Relative Humidity Detection

Huda A. Zain; Malathy Batumalay; Hazli R.A. Rahim; Moh Yasin; Sulaiman W. Harun

doi:10.1109/LSENS.2022.3159576

Graphene Oxide/Gold Coated Kretschmann Surface Plasmon Resonance Setup for Relative Humidity Detection

Huda A. Zain, Malathy Batumalay, Hazli R.A. Rahim, Moh Yasin, Sulaiman W. Harun

Faculty of Science and Technology

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

1 Citation (Scopus)

Abstract

A Kretschmann surface plasmon resonance setup was used to detect relative humidity changes. The used prism had a gold coating of 50-nm thickness, and then, it was additionally coated with graphene oxide (GO) to increase its sensitivity to relative humidity changes. GO can adsorb moisture from air, increasing its thickness and changing its refractive index. The GO/gold coated setup had a sensitivity of 0.17°/%RH compared to the setup with gold coating only, which had a sensitivity of 0.07°/%RH. The GO/gold coated setup also had good stability and showed a standard deviation of less than 0.038 mW.

Original language	English
Article number	3500704
Journal	IEEE Sensors Letters
Volume	6
Issue number	4
DOIs	https://doi.org/10.1109/LSENS.2022.3159576
Publication status	Published - 1 Apr 2022

Keywords

Electromagnetic wave sensors, gold coated prism
graphene oxide (GO)
optical sensor
plasmonic

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10.1109/LSENS.2022.3159576

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title = "Graphene Oxide/Gold Coated Kretschmann Surface Plasmon Resonance Setup for Relative Humidity Detection",

abstract = "A Kretschmann surface plasmon resonance setup was used to detect relative humidity changes. The used prism had a gold coating of 50-nm thickness, and then, it was additionally coated with graphene oxide (GO) to increase its sensitivity to relative humidity changes. GO can adsorb moisture from air, increasing its thickness and changing its refractive index. The GO/gold coated setup had a sensitivity of 0.17°/%RH compared to the setup with gold coating only, which had a sensitivity of 0.07°/%RH. The GO/gold coated setup also had good stability and showed a standard deviation of less than 0.038 mW.",

keywords = "Electromagnetic wave sensors, gold coated prism, graphene oxide (GO), optical sensor, plasmonic",

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note = "Funding Information: The authors would like to acknowledge the financial support by the INTI Research Grant Scheme under Grant INTI-FITS-03-2020 and the Airlangga Research Grant (2022). Publisher Copyright: {\textcopyright} 2017 IEEE.",

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AU - Yasin, Moh

AU - Harun, Sulaiman W.

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N2 - A Kretschmann surface plasmon resonance setup was used to detect relative humidity changes. The used prism had a gold coating of 50-nm thickness, and then, it was additionally coated with graphene oxide (GO) to increase its sensitivity to relative humidity changes. GO can adsorb moisture from air, increasing its thickness and changing its refractive index. The GO/gold coated setup had a sensitivity of 0.17°/%RH compared to the setup with gold coating only, which had a sensitivity of 0.07°/%RH. The GO/gold coated setup also had good stability and showed a standard deviation of less than 0.038 mW.

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KW - plasmonic

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Graphene Oxide/Gold Coated Kretschmann Surface Plasmon Resonance Setup for Relative Humidity Detection

Abstract

Keywords

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