Surface enhanced infrared absorption of chemisorbed carbon monoxide using plasmonic nanoantennas

J. Haase, S. Bagiante, H. Sigg, J. Van Bokhoven, Optics Letters 42 (2017) 1931–1934.

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Journal Article | Published | English
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Abstract
We report the enhancement of infrared absorption of chemisorbed carbon monoxide on platinum in the gap of plasmonic nanoantennas. Our method is based on the self-assembled formation of platinum nanoislands on nanoscopic dipole antenna arrays manufactured via electron beam lithography. We employ systematic variations of the plasmonic antenna resonance to precisely couple to the molecular stretch vibration of carbon monoxide adsorbed on the platinum nanoislands. Ultimately, we reach more than 1500-fold infrared absorption enhancements, allowing for an ultrasensitive detection of a monolayer of chemisorbed carbon monoxide. The developed procedure can be adapted to other metal adsorbents and molecular species and could be utilized for coverage sensing in surface catalytic reactions.
Publishing Year
Date Published
2017-05-15
Journal Title
Optics Letters
Volume
42
Issue
10
Page
1931 - 1934
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Haase J, Bagiante S, Sigg H, Van Bokhoven J. Surface enhanced infrared absorption of chemisorbed carbon monoxide using plasmonic nanoantennas. Optics Letters. 2017;42(10):1931-1934. doi:10.1364/OL.42.001931
Haase, J., Bagiante, S., Sigg, H., & Van Bokhoven, J. (2017). Surface enhanced infrared absorption of chemisorbed carbon monoxide using plasmonic nanoantennas. Optics Letters, 42(10), 1931–1934. https://doi.org/10.1364/OL.42.001931
Haase, Johannes, Salvatore Bagiante, Hans Sigg, and Jeroen Van Bokhoven. “Surface Enhanced Infrared Absorption of Chemisorbed Carbon Monoxide Using Plasmonic Nanoantennas.” Optics Letters 42, no. 10 (2017): 1931–34. https://doi.org/10.1364/OL.42.001931.
J. Haase, S. Bagiante, H. Sigg, and J. Van Bokhoven, “Surface enhanced infrared absorption of chemisorbed carbon monoxide using plasmonic nanoantennas,” Optics Letters, vol. 42, no. 10, pp. 1931–1934, 2017.
Haase J, Bagiante S, Sigg H, Van Bokhoven J. 2017. Surface enhanced infrared absorption of chemisorbed carbon monoxide using plasmonic nanoantennas. Optics Letters. 42(10), 1931–1934.
Haase, Johannes, et al. “Surface Enhanced Infrared Absorption of Chemisorbed Carbon Monoxide Using Plasmonic Nanoantennas.” Optics Letters, vol. 42, no. 10, OSA, 2017, pp. 1931–34, doi:10.1364/OL.42.001931.

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