Short range ordered (SRO) plasmonic nanohole arrays have a distinct surface plasmon polariton resonance in the visible region and exhibit an excellent sensing capability toward changes in the surrounding refractive index. While SRO and perfectly ordered plasmonic hole arrays have similar sensing properties, SRO arrays have clear advantages in fabrication, simplicity, and scalability. In this study, we use SRO gold nanoholes, which are subjected to pressure and temperature cycles, for vacuum and temperature sensing. The response of the transmission spectra to pressure changes in the range 10−3–105 Pa and temperature scans in the range 20–400 °C was recorded. Upon pressure cycling, a reversible response was observed. Upon initial temperature annealing, an irreversible blue shift in the resonance dip position was observed. Upon further temperature cycling, the resonance dip position shifts reversibly, with a notable red shift upon temperature increase. The results are discussed and interpreted based on possible molecular adsorption/desorption upon pressure cycling and in terms of the gold film’s recrystallization, thermal expansion, and free electron density variations.
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14 January 2020
Research Article|
January 10 2020
Highly sensitive pressure and temperature induced SPP resonance shift at gold nanohole arrays
Special Collection:
Emerging Directions in Plasmonics
Hiroki Ohnishi;
Hiroki Ohnishi
1
Department of Materials Science and Engineering, School of Materials and Chemical Technologies, Tokyo Institute of Technology
, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan
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Eyal Sabatani
;
Eyal Sabatani
a)
1
Department of Materials Science and Engineering, School of Materials and Chemical Technologies, Tokyo Institute of Technology
, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan
2
Chemistry Division, Nuclear Research Center-Negev
, Beer Sheva 8491000, Israel
a)Author to whom correspondence should be addressed: eyal.sabatani@gmail.com
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Dung Vu Thi;
Dung Vu Thi
1
Department of Materials Science and Engineering, School of Materials and Chemical Technologies, Tokyo Institute of Technology
, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan
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Sotatsu Yanagimoto;
Sotatsu Yanagimoto
1
Department of Materials Science and Engineering, School of Materials and Chemical Technologies, Tokyo Institute of Technology
, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan
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Takumi Sannomiya
Takumi Sannomiya
b)
1
Department of Materials Science and Engineering, School of Materials and Chemical Technologies, Tokyo Institute of Technology
, 4259 Nagatsuta, Midoriku, Yokohama 226-8503, Japan
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a)Author to whom correspondence should be addressed: eyal.sabatani@gmail.com
Note: This paper is part of the JCP Special Topic on Emerging Directions in Plasmonics.
J. Chem. Phys. 152, 024705 (2020)
Article history
Received:
October 11 2019
Accepted:
December 16 2019
Citation
Hiroki Ohnishi, Eyal Sabatani, Dung Vu Thi, Sotatsu Yanagimoto, Takumi Sannomiya; Highly sensitive pressure and temperature induced SPP resonance shift at gold nanohole arrays. J. Chem. Phys. 14 January 2020; 152 (2): 024705. https://doi.org/10.1063/1.5131206
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