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Cited by 294

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Asymmetric Sites on the ZnZrOx Catalyst for Promoting Formate Formation and Transformation in CO2 Hydrogenation

Open access
Feng, Zhendong, Tang, Chizhou, Zhang, Pengfei, Li, Kun, Li, Guanna, Wang, Jijie, Feng, Zhaochi, Li, Can·2023·Journal of the American Chemical Society

Abstract

The role of formate species for CO 2 hydrogenation is still under debate. Although formate has been frequently observed and commonly proposed as the possible intermediate, there is no definite evidence for the reaction of formate species for methanol production. Here, formate formation and conversion over the ZnZrO x solid solution catalyst are investigated by in situ/operando diffuse reflectance infrared Fourier transform spectroscopy-mass spectroscopy (DRIFTS-MS) coupled with density functional theory (DFT) calculations. Spectroscopic results show that bidentate carbonate formed from CO 2 adsorption is hydrogenated to formate on Zn–O–Zr sites (asymmetric sites), where the Zn site is responsible for H 2 activation and the Zr site is beneficial for the stabilization of reaction intermediates. The asymmetric Zn–O–Zr sites with adjacent and inequivalent features on the ZnZrO x catalyst promote not only formate formation but also its transformation. Both theoretical and experimental results demonstrate that the origin of the excellent performance of the ZnZrO x catalyst for methanol formation is associated with the H 2 heterolytic cleavage promoted by the asymmetric Zn and Zr sites.

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Crossref · 10.1021/jacs.3c02248

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Metadata

Authors
Feng, Z., Tang, C., Zhang, P., Li, K., Li, G., Wang, J., Feng, Z., & Li, C.
Venue
Journal of the American Chemical Society
Published
2023-06-01
Volume
145
Issue
23
Pages
12663-12672
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W4378952108
Cited by
294
References
40
FWCI
13.66
Type
journal article
Language
en
Open access
green

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

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

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