The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.
Fan-Shaped Gold Nanoantennas above Reflective Substrates for Surface-Enhanced Infrared Absorption (SEIRA)
Abstract
Here, we report a new nanoantenna for surface-enhanced infrared absorption (SEIRA) detection, consisting of a fan-shaped Au structure positioned at a well-specified distance above a reflective plane with an intervening silica spacer layer. We examine how to optimize both the antenna dimensions and the spacer layer for optimal SEIRA enhancement of the C-H stretching mode. This tunable 3D geometry yields a theoretical SEIRA enhancement factor of 10(5), corresponding to the experimental detection of 20-200 zeptomoles of octadecanethiol, using a standard commercial FTIR spectrometer. Experimental studies illustrate the sensitivity of the observed SEIRA signal to the gap dimensions. The optimized antenna structure exhibits an order of magnitude greater SEIRA sensitivity than previous record-setting designs.
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Nanogapped Au Antennas for Ultrasensitive Surface-Enhanced Infrared Absorption Spectroscopy
Dong, L., Yang, X., Zhang, C., Cerjan, B., Zhou, L., Tseng, M. L., Zhang, Y., Alabastri, A., Nordlander, P., & Halas, N. J. (2017) · Nano Letters · doi:10.1021/acs.nanolett.7b02736 · Cited by 274
Self-citationInfrared Plasmonic Biosensor for Real-Time and Label-Free Monitoring of Lipid Membranes
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Metadata
- Authors
- Brown, L. V., Yang, X., Zhao, K., Zheng, B. Y., Nordlander, P., & Halas, N. J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-01-12
- Volume
- 15
- Issue
- 2
- Pages
- 1272-1280
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2329063793
- Cited by
- 266
- References
- 43
- FWCI
- 17.14
- Type
- journal article
- Language
- en
- Open access
- closed
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- Brown, L. V., Yang, X., Zhao, K., Zheng, B. Y., Nordlander, P., & Halas, N. J. (2015). Fan-Shaped Gold Nanoantennas above Reflective Substrates for Surface-Enhanced Infrared Absorption (SEIRA). Nano Letters. https://doi.org/10.1021/nl504455s
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