Scalable and Tunable Periodic Graphene Nanohole Arrays for Mid-Infrared Plasmonics

Kavitha K. Gopalan, Bruno Paulillo, David M. A. Mackenzie, Daniel Rodrigo, Nestor Bareza, Patrick R. Whelan, Abhay Shivayogimath, Valerio Pruneri*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Despite its great potential for a wide variety of devices, especially mid-infrared biosensors and photodetectors, graphene plasmonics is still confined to academic research. A major reason is the fact that, so far, expensive and low-throughput lithography techniques are needed to fabricate graphene nanostructures. Here, we report for the first time a detailed experimental study on electrostatically tunable graphene nanohole array surfaces with periods down to 100 nm, showing clear plasmonic response in the range similar to 1300-1600 cm-1, which can be fabricated by a scalable nanoimprint technique. Such large area plasmonic nanostructures are suitable for industrial applications, for example, surface-enhanced infrared absorption (SEIRA) sensing, as they combine easy design, extreme field confinement, and the possibility to excite multiple plasmon modes enabling multiband sensing, a feature not readily available in nanoribbons or other localized resonant structures.
Original languageEnglish
JournalNano letters
Volume18
Issue number9
Pages (from-to)5913-5918
ISSN1530-6984
DOIs
Publication statusPublished - 2018

Keywords

  • Graphene plasmonics
  • Plasmonic crystals
  • SEIRA
  • Large-scale nanopatterning
  • Nanoimprint lithography

Cite this

Gopalan, K. K., Paulillo, B., Mackenzie, D. M. A., Rodrigo, D., Bareza, N., Whelan, P. R., ... Pruneri, V. (2018). Scalable and Tunable Periodic Graphene Nanohole Arrays for Mid-Infrared Plasmonics. Nano letters, 18(9), 5913-5918. https://doi.org/10.1021/acs.nanolett.8b02613
Gopalan, Kavitha K. ; Paulillo, Bruno ; Mackenzie, David M. A. ; Rodrigo, Daniel ; Bareza, Nestor ; Whelan, Patrick R. ; Shivayogimath, Abhay ; Pruneri, Valerio. / Scalable and Tunable Periodic Graphene Nanohole Arrays for Mid-Infrared Plasmonics. In: Nano letters. 2018 ; Vol. 18, No. 9. pp. 5913-5918.
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abstract = "Despite its great potential for a wide variety of devices, especially mid-infrared biosensors and photodetectors, graphene plasmonics is still confined to academic research. A major reason is the fact that, so far, expensive and low-throughput lithography techniques are needed to fabricate graphene nanostructures. Here, we report for the first time a detailed experimental study on electrostatically tunable graphene nanohole array surfaces with periods down to 100 nm, showing clear plasmonic response in the range similar to 1300-1600 cm-1, which can be fabricated by a scalable nanoimprint technique. Such large area plasmonic nanostructures are suitable for industrial applications, for example, surface-enhanced infrared absorption (SEIRA) sensing, as they combine easy design, extreme field confinement, and the possibility to excite multiple plasmon modes enabling multiband sensing, a feature not readily available in nanoribbons or other localized resonant structures.",
keywords = "Graphene plasmonics, Plasmonic crystals, SEIRA, Large-scale nanopatterning, Nanoimprint lithography",
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Gopalan, KK, Paulillo, B, Mackenzie, DMA, Rodrigo, D, Bareza, N, Whelan, PR, Shivayogimath, A & Pruneri, V 2018, 'Scalable and Tunable Periodic Graphene Nanohole Arrays for Mid-Infrared Plasmonics', Nano letters, vol. 18, no. 9, pp. 5913-5918. https://doi.org/10.1021/acs.nanolett.8b02613

Scalable and Tunable Periodic Graphene Nanohole Arrays for Mid-Infrared Plasmonics. / Gopalan, Kavitha K.; Paulillo, Bruno; Mackenzie, David M. A.; Rodrigo, Daniel; Bareza, Nestor; Whelan, Patrick R.; Shivayogimath, Abhay; Pruneri, Valerio.

In: Nano letters, Vol. 18, No. 9, 2018, p. 5913-5918.

Research output: Contribution to journalJournal articleResearchpeer-review

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AU - Gopalan, Kavitha K.

AU - Paulillo, Bruno

AU - Mackenzie, David M. A.

AU - Rodrigo, Daniel

AU - Bareza, Nestor

AU - Whelan, Patrick R.

AU - Shivayogimath, Abhay

AU - Pruneri, Valerio

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AB - Despite its great potential for a wide variety of devices, especially mid-infrared biosensors and photodetectors, graphene plasmonics is still confined to academic research. A major reason is the fact that, so far, expensive and low-throughput lithography techniques are needed to fabricate graphene nanostructures. Here, we report for the first time a detailed experimental study on electrostatically tunable graphene nanohole array surfaces with periods down to 100 nm, showing clear plasmonic response in the range similar to 1300-1600 cm-1, which can be fabricated by a scalable nanoimprint technique. Such large area plasmonic nanostructures are suitable for industrial applications, for example, surface-enhanced infrared absorption (SEIRA) sensing, as they combine easy design, extreme field confinement, and the possibility to excite multiple plasmon modes enabling multiband sensing, a feature not readily available in nanoribbons or other localized resonant structures.

KW - Graphene plasmonics

KW - Plasmonic crystals

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