Probe gas sensing system based on reflected light detection from localized surface plasmon resonance

Hao Guo, Takaaki Soeda, Zhongyuan Yang, Fumihiro Sassa, Kenshi Hayashi

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

The present study explored a probe type gas detection system which can be used to detect the gas conveniently. The gas sensing mechanism is utilizing Localized Surface Plasmon Resonance (LSPR) sensor which based on the reflected light change caused by the refractive index changes of gas where exposing to the metal nanoparticles layer. The LSPR layer was prepared by vacuum sputtering of AuNPs on a glass substrate, growing in silver growth solution and consequently thermal annealing. An optical system which composed of fiber probe, light source and spectrometer was developed to detect the change of reflected light. It was found that compared with incident light irradiating from metal nanoparticles side, glass side could obtain clearer spectra peak. In addition, a LSPR sensor which had 5 hours silver growth time has the best response to acetic acid gas. This work demonstrated that the reflection detection system has a great potential in gas detecting area.

本文言語英語
ホスト出版物のタイトルISOEN 2019 - 18th International Symposium on Olfaction and Electronic Nose, Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781538683279
DOI
出版ステータス出版済み - 5 2019
イベント18th International Symposium on Olfaction and Electronic Nose, ISOEN 2019 - Fukuoka, 日本
継続期間: 5 26 20195 29 2019

出版物シリーズ

名前ISOEN 2019 - 18th International Symposium on Olfaction and Electronic Nose, Proceedings

会議

会議18th International Symposium on Olfaction and Electronic Nose, ISOEN 2019
国/地域日本
CityFukuoka
Period5/26/195/29/19

All Science Journal Classification (ASJC) codes

  • 信号処理
  • 器械工学

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