
Authors (6): E. Campbell, I. V. Sazanovich, M. Towrie, M. J. Watson, I. Lezcano-González, A. M. Beale
Themes: New Catalysts DOI: 10.1021/acs.jpclett.4c00865
Citations: 6
Pub type: journal-article
Pub year: 2024
Publisher: American Chemical Society (ACS)
Issue:
License: [{"start"=>{"date-parts"=>[[2024, 6, 25]], "date-time"=>"2024-06-25T00:00:00Z", "timestamp"=>1719273600000}, "content-version"=>"vor", "delay-in-days"=>0, "URL"=>"https://creativecommons.org/licenses/by/4.0/"}]
Publication date(s): 2024/06/25 (online)
Pages: 6826-6834
Volume: Issue:
Journal: The Journal of Physical Chemistry Letters
URL:
Resonance Raman spectroscopy can provide insights into complex reaction mechanisms by selectively enhancing the signals of specific molecular species. In this work, we demonstrate that, by changing the excitation wavelength, Raman bands of different intermediates in the methanol-to-hydrocarbons reactions can be identified. We show in particular how UV excitation enhances signals from short-chain olefins and cyclopentadienyl cations during the induction period, while visible excitation better detects later-stage aromatics. However, visible excitation is prone to fluorescence that can obscure Raman signals, and hence, we show how fast fluorescence rejection techniques like Kerr gating are necessary for extracting useful information from visible excitation measurements.
Name | Description | Publised |
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Supplementary information for Methanol-to-Olefins Studied by UV Raman Spectroscopy as Compared to Visible WavelengthCapitalisation on Resonance Enhancement | Additional information regarding absorbance bands assigned in literature... | 2024 |
Peer Review Information for Methanol-to-Olefins Studied by UV Raman Spectroscopy as Compared to Visible Wavelength Capitalisation on Resonance Enhancement | Transparent Peer Review report available (PDF)... | 2024 |
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