Dual nanotransfer printing for complementary plasmonic biosensors

Sang Ho Shin, Sung Ho Shin, Jun Hyuk Choi, Jihye Lee, Dae Geun Choi, Jun Ho Jeong, Byeong Kwon Ju, Joo Yun Jung

Research output: Contribution to journalArticle

Abstract

One of the main challenges in the widespread utilization of localized plasmon resonance-based biosensors is the fabrication of large-area and low-cost plasmonic nanostructures. In this work, we fabricated large-area and low-cost complementary plasmonic biosensors such as nanohole and nanodisk arrays using dual nanotransfer printing (NTP) with a single metal deposition and a single reusable mold. The suspended nanohole arrays and the suspended nanodisk arrays were fabricated using the subsequent dry etching process. We confirmed a maximum enhancement in bulk sensitivity in experiments and simulations by controlling the vertical and lateral etching depths of the dielectric layer underneath the gold (Au) nanohole and nanodisk arrays. Furthermore, we show that the surface sensitivity evaluated by atomic layer deposition of aluminum oxide increased because appropriate vertical and lateral etching depths allow the target analyte to access the additional near-field formed at the bottom of the Au nanostructure. The dual NTP method provides a practical solution for the realization of large-area and low-cost label-free plasmonic biosensing systems, with a reduction in complexity and cost of the fabrication process of complementary plasmonic structures and metasurfaces.

Original languageEnglish
Article number385302
JournalNanotechnology
Volume30
Issue number38
DOIs
Publication statusPublished - 2019 Jul 11

Fingerprint

Printing
Biosensing Techniques
Biosensors
Costs and Cost Analysis
Nanostructures
Costs
Etching
Fabrication
Dry etching
Atomic layer deposition
Aluminum Oxide
Gold
Labels
Fungi
Metals
Aluminum
Oxides
Experiments

Keywords

  • biosensors
  • complementary nanostructures
  • nanoimprint lithography
  • nanotransfer printing
  • plasmonic

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Shin, S. H., Shin, S. H., Choi, J. H., Lee, J., Choi, D. G., Jeong, J. H., ... Jung, J. Y. (2019). Dual nanotransfer printing for complementary plasmonic biosensors. Nanotechnology, 30(38), [385302]. https://doi.org/10.1088/1361-6528/ab2c10

Dual nanotransfer printing for complementary plasmonic biosensors. / Shin, Sang Ho; Shin, Sung Ho; Choi, Jun Hyuk; Lee, Jihye; Choi, Dae Geun; Jeong, Jun Ho; Ju, Byeong Kwon; Jung, Joo Yun.

In: Nanotechnology, Vol. 30, No. 38, 385302, 11.07.2019.

Research output: Contribution to journalArticle

Shin, SH, Shin, SH, Choi, JH, Lee, J, Choi, DG, Jeong, JH, Ju, BK & Jung, JY 2019, 'Dual nanotransfer printing for complementary plasmonic biosensors', Nanotechnology, vol. 30, no. 38, 385302. https://doi.org/10.1088/1361-6528/ab2c10
Shin SH, Shin SH, Choi JH, Lee J, Choi DG, Jeong JH et al. Dual nanotransfer printing for complementary plasmonic biosensors. Nanotechnology. 2019 Jul 11;30(38). 385302. https://doi.org/10.1088/1361-6528/ab2c10
Shin, Sang Ho ; Shin, Sung Ho ; Choi, Jun Hyuk ; Lee, Jihye ; Choi, Dae Geun ; Jeong, Jun Ho ; Ju, Byeong Kwon ; Jung, Joo Yun. / Dual nanotransfer printing for complementary plasmonic biosensors. In: Nanotechnology. 2019 ; Vol. 30, No. 38.
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