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Cited by 254

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Effect of Amine Surface Coverage on the Co-Adsorption of CO2 and Water: Spectral Deconvolution of Adsorbed Species

Didas, Stephanie A., Sakwa-Novak, Miles A., Foo, Guo Shiou, Sievers, Carsten, Jones, Christopher W.·2014·The Journal of Physical Chemistry Letters

Abstract

Three primary amine materials functionalized onto mesoporous silica with low, medium, and high surface amine coverages are prepared and evaluated for binary CO2/H2O adsorption under dilute conditions. Enhancement of amine efficiency due to humid adsorption is most pronounced for low surface amine coverage materials. In situ FT-IR spectra of adsorbed CO2 on these materials suggest this enhancement may be associated with the formation of bicarbonate species during adsorption on materials with low surface amine coverage, though such species are not observed on high surface coverage materials. On the materials with the lowest amine loading, bicarbonate is observed on longer time scales of adsorption, but only after spectral contributions from rapidly forming alkylammonium carbamate species are removed. This is the first time that direct evidence for bicarbonate formation, which is known to occur in liquid aqueous amine solutions, has been presented for CO2 adsorption on solid amine adsorbents.

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Crossref · 10.1021/jz502032c

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Metadata

Authors
Didas, S. A., Sakwa-Novak, M. A., Foo, G. S., Sievers, C., & Jones, C. W.
Venue
The Journal of Physical Chemistry Letters
Published
2014-11-20
Volume
5
Issue
23
Pages
4194-4200
ISSN
1948-7185 (ISSN-L)
OpenAlex
W2004098106
Cited by
254
References
42
FWCI
18.31
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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