Using precise gas exposures to resolve surface site filling in diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS)
In this communication we report how to assemble a DRIFTS system that can precisely control the pressure in the cell from <10<sup>-6</sup> Torr to atmospheric pressure using easily accessible components. As a proof-of-principle we adsorb and react CO over a Pd/Al<sub>2</sub>O<sub>3</sub> catalyst where we can observe pressure, temperature, and reaction-dependent preferential binding to adsorption sites.
Authors
- C. R. O'Connor (ORCID: https://orcid.org/0000-0002-9224-9342)
- C. Reece (ORCID: https://orcid.org/0000-0002-3626-7546)
- Audrey Dannar (ORCID: https://orcid.org/0009-0004-0534-6921)
- Hadley Nunn
Institutions
- Tufts University (US)
- Harvard University (US)
- Harvard University Press (US)
Publication Details
- Journal
- Chemical Communications
- Published
- 2025-01-01
- DOI
- https://doi.org/10.1039/d5cc03213j
- Primary Topic
- Catalytic Processes in Materials Science
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Rowland Institute at Harvard