Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy
Dayne Swearer
1
,
Samuel Gottheim
1
,
Jay G Simmons
2
,
Dane J. Phillips
3
,
Matthew J Kale
4
,
Michael J Mcclain
1
,
Naomi Halas
1
,
Henry O. Everitt
2, 5
2
Army Aviation & Missile RD&E Center, Redstone Arsenal, Alabama 35898, United States
|
3
IERUS Technologies, 2904 Westcorp Boulevard, Suite 210, Huntsville, Alabama 35805, United States
|
Publication type: Journal Article
Publication date: 2018-05-18
scimago Q1
wos Q1
SJR: 1.992
CiteScore: 11.7
Impact factor: 6.7
ISSN: 23304022
Electronic, Optical and Magnetic Materials
Biotechnology
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
Rotational spectroscopy is introduced as a new in situ method for monitoring gas-phase reactants and products during chemical reactions. Exploiting its unambiguous molecular recognition specificity and extraordinary detection sensitivity, rotational spectroscopy at terahertz frequencies was used to monitor the decomposition of carbonyl sulfide (OCS) over an aluminum nanocrystal (AlNC) plasmonic photocatalyst. The intrinsic surface oxide on AlNCs is discovered to have a large number of strongly basic sites that are effective for mediating OCS decomposition. Spectroscopic monitoring revealed two different photothermal decomposition pathways for OCS, depending on the absence or presence of H2O. The strength of rotational spectroscopy is witnessed through its ability to detect and distinguish isotopologues of the same mass from an unlabeled OCS precursor at concentrations of <1 nanomolar or partial pressures of <10 μTorr. These attributes recommend rotational spectroscopy as a compelling alternative for monit...
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27
Total citations:
27
Citations from 2024:
10
(37.03%)
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BibTex |
MLA
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GOST
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Swearer D. et al. Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy // ACS Photonics. 2018. Vol. 5. No. 8. pp. 3097-3106.
GOST all authors (up to 50)
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Swearer D., Gottheim S., Simmons J. G., Phillips D. J., Kale M. J., Mcclain M. J., Christopher P., Halas N., Everitt H. O. Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy // ACS Photonics. 2018. Vol. 5. No. 8. pp. 3097-3106.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/acsphotonics.8b00342
UR - https://doi.org/10.1021/acsphotonics.8b00342
TI - Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy
T2 - ACS Photonics
AU - Swearer, Dayne
AU - Gottheim, Samuel
AU - Simmons, Jay G
AU - Phillips, Dane J.
AU - Kale, Matthew J
AU - Mcclain, Michael J
AU - Christopher, Phillip
AU - Halas, Naomi
AU - Everitt, Henry O.
PY - 2018
DA - 2018/05/18
PB - American Chemical Society (ACS)
SP - 3097-3106
IS - 8
VL - 5
SN - 2330-4022
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2018_Swearer,
author = {Dayne Swearer and Samuel Gottheim and Jay G Simmons and Dane J. Phillips and Matthew J Kale and Michael J Mcclain and Phillip Christopher and Naomi Halas and Henry O. Everitt},
title = {Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy},
journal = {ACS Photonics},
year = {2018},
volume = {5},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acsphotonics.8b00342},
number = {8},
pages = {3097--3106},
doi = {10.1021/acsphotonics.8b00342}
}
Cite this
MLA
Copy
Swearer, Dayne, et al. “Monitoring Chemical Reactions with Terahertz Rotational Spectroscopy.” ACS Photonics, vol. 5, no. 8, May. 2018, pp. 3097-3106. https://doi.org/10.1021/acsphotonics.8b00342.