Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles
The field of plasmonic sensing has witnessed rapid advancements in recent years. This work proposes an innovative methodology that employs metal–insulator-metal (MIM) nanohole arrays integrated with ring-shaped silver nanoparticles (AgNPs) to serve as an effective plasmonic refractive index sensor....
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-12-01
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| Series: | Results in Physics |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2211379723009968 |
| _version_ | 1827616172615401472 |
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| author | Cheng Hung Chu Gu Yu Lin Pin Chieh Wu Wei-Yang Chou Sy-Hann Chen Hsing-Chih Liang Hai-Pang Chiang |
| author_facet | Cheng Hung Chu Gu Yu Lin Pin Chieh Wu Wei-Yang Chou Sy-Hann Chen Hsing-Chih Liang Hai-Pang Chiang |
| author_sort | Cheng Hung Chu |
| collection | DOAJ |
| description | The field of plasmonic sensing has witnessed rapid advancements in recent years. This work proposes an innovative methodology that employs metal–insulator-metal (MIM) nanohole arrays integrated with ring-shaped silver nanoparticles (AgNPs) to serve as an effective plasmonic refractive index sensor. The hybrid substrates are prepared using a combination of nanosphere lithography (NSL), reactive ion etching, and an enhanced plasmonic site-selective photocatalytic reaction, ensuring large-area fabrication, high throughput, and cost-effectiveness. The resonance peaks observed in the visible-NIR spectra are attributed to the coupling of surface plasmon resonance modes between MIM structures and AgNPs. The resonance wavelength exhibits sensitively to changes in the surrounding medium within the refractive index range of 1 to 1.5, with a remarkable sensitivity of 835 nm/RIU. Our findings reveal the significant potential of this technology for advancing optical sensing applications. |
| first_indexed | 2024-03-09T09:22:22Z |
| format | Article |
| id | doaj.art-a784dcd4754f4c34a028a3f78ea36ee3 |
| institution | Directory Open Access Journal |
| issn | 2211-3797 |
| language | English |
| last_indexed | 2024-03-09T09:22:22Z |
| publishDate | 2023-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Physics |
| spelling | doaj.art-a784dcd4754f4c34a028a3f78ea36ee32023-12-02T06:59:41ZengElsevierResults in Physics2211-37972023-12-0155107203Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticlesCheng Hung Chu0Gu Yu Lin1Pin Chieh Wu2Wei-Yang Chou3Sy-Hann Chen4Hsing-Chih Liang5Hai-Pang Chiang6YongLin Institute of Health, National Taiwan University, Taipei 10672, TaiwanDepartment of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, TaiwanDepartment of Photonics, National Cheng Kung University, Tainan 70101, TaiwanDepartment of Photonics, National Cheng Kung University, Tainan 70101, TaiwanDepartment of Electrophysics, National Chiayi University, Chiayi 600, TaiwanInstitute of Physics, National Yang-Ming Chiao Tung University, Hsinchu 300, Taiwan; Corresponding authors.Department of Optoelectronics and Materials Technology, National Taiwan Ocean University, Keelung 20224, Taiwan; Corresponding authors.The field of plasmonic sensing has witnessed rapid advancements in recent years. This work proposes an innovative methodology that employs metal–insulator-metal (MIM) nanohole arrays integrated with ring-shaped silver nanoparticles (AgNPs) to serve as an effective plasmonic refractive index sensor. The hybrid substrates are prepared using a combination of nanosphere lithography (NSL), reactive ion etching, and an enhanced plasmonic site-selective photocatalytic reaction, ensuring large-area fabrication, high throughput, and cost-effectiveness. The resonance peaks observed in the visible-NIR spectra are attributed to the coupling of surface plasmon resonance modes between MIM structures and AgNPs. The resonance wavelength exhibits sensitively to changes in the surrounding medium within the refractive index range of 1 to 1.5, with a remarkable sensitivity of 835 nm/RIU. Our findings reveal the significant potential of this technology for advancing optical sensing applications.http://www.sciencedirect.com/science/article/pii/S2211379723009968Gold nanohole arraysRing-shaped silver nanoparticlesRefractive index sensing |
| spellingShingle | Cheng Hung Chu Gu Yu Lin Pin Chieh Wu Wei-Yang Chou Sy-Hann Chen Hsing-Chih Liang Hai-Pang Chiang Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles Results in Physics Gold nanohole arrays Ring-shaped silver nanoparticles Refractive index sensing |
| title | Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles |
| title_full | Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles |
| title_fullStr | Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles |
| title_full_unstemmed | Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles |
| title_short | Enhanced optical sensing with metal-insulator-metal nanohole arrays integrated with silver nanoparticles |
| title_sort | enhanced optical sensing with metal insulator metal nanohole arrays integrated with silver nanoparticles |
| topic | Gold nanohole arrays Ring-shaped silver nanoparticles Refractive index sensing |
| url | http://www.sciencedirect.com/science/article/pii/S2211379723009968 |
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