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Gas sensing with high-resolution localized surface plasmon resonance spectroscopy.
- Source :
-
Journal of the American Chemical Society [J Am Chem Soc] 2010 Dec 15; Vol. 132 (49), pp. 17358-9. Date of Electronic Publication: 2010 Nov 22. - Publication Year :
- 2010
-
Abstract
- We report the first inert gas sensing and characterization studies based on high-resolution localized surface plasmon resonance (HR-LSPR) spectroscopy. HR-LSPR was used to detect the extremely small changes (<3 × 10(-4)) in bulk refractive index when the gas was switched between He(g) and Ar(g) or He(g) and N2(g). We also demonstrate submonolayer sensitivity to adsorbed water from exposure of the sensor to air (40% humidity) versus dry N2(g). These measurements significantly expand the applications space and characterization tools for plasmonic nanosensors.
Details
- Language :
- English
- ISSN :
- 1520-5126
- Volume :
- 132
- Issue :
- 49
- Database :
- MEDLINE
- Journal :
- Journal of the American Chemical Society
- Publication Type :
- Academic Journal
- Accession number :
- 21090714
- Full Text :
- https://doi.org/10.1021/ja1074272