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  Chiral plasmonic hydrogen sensors

Matuschek, M., Singh, D. P., Hyeon-Ho, J., Nesterov, M., Weiss, T., Fischer, P., et al. (2018). Chiral plasmonic hydrogen sensors. Small, 14(7): 1702990, pp. 1-7. doi:10.1002/smll.201702990.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000B-23EB-5 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-4C0E-F
Genre: Journal Article

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 Creators:
Matuschek, Marcus, Author
Singh, Dhruv Pratap, Author
Hyeon-Ho, Jeong, Author
Nesterov, Maxim, Author
Weiss, Thomas, Author
Fischer, Peer1, Author                 
Neubrech, Frank, Author
Na Liu, Laura, Author
Affiliations:
1Max Planck Institute for Medical Research, Max Planck Society, ou_1125545              

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Free keywords: hydrogen, GLAD, palladium, plasmonics, sensors
 Abstract: In this article, a chiral plasmonic hydrogen-sensing platform using palladium-based nanohelices is demonstrated. Such 3D chiral nanostructures fabricated by nanoglancing angle deposition exhibit strong circular dichroism both experimentally and theoretically. The chiroptical properties of the palladium nanohelices are altered upon hydrogen uptake and sensitively depend on the hydrogen concentration. Such properties are well suited for remote and spark-free hydrogen sensing in the flammable range. Hysteresis is reduced, when an increasing amount of gold is utilized in the palladium-gold hybrid helices. As a result, the linearity of the circular dichroism in response to hydrogen is significantly improved. The chiral plasmonic sensor scheme is of potential interest for hydrogen-sensing applications, where good linearity and high sensitivity are required.

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Language(s): eng - English
 Dates: 2017-11-062017-08-302017-12-202018-02-15
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/smll.201702990
BibTex Citekey: 2018matuschek
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Title: Small
  Other : Small
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley-VCH
Pages: - Volume / Issue: 14 (7) Sequence Number: 1702990 Start / End Page: 1 - 7 Identifier: ISSN: 1613-6810
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000017440_1