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- W4200506799 endingPage "1014" @default.
- W4200506799 startingPage "1002" @default.
- W4200506799 abstract "Developing efficient and inexpensive main group catalysts for CO2 conversion and utilization has attracted increasing attention, as the conversion process would be both economical and environmentally benign. Here, based on the main group element Al, we designed several heterogeneous frustrated Lewis acid/base pair (FLP) catalysts and performed extensive first-principles calculations for the hydrogenation of CO2. These catalysts, including Al@N-Gr-1, Al@N-Gr-2, and Al@C2N, are composed of a single Al atom and two-dimensional (2D) N-doped carbon-based materials to form frustrated Al/C or Al/N Lewis acid/base pairs, which are all predicted to have high reactivity to absorb and activate hydrogen (H2). Compared with Al@N-Gr-1, both Al@N-Gr-2 and Al@C2N, especially Al@N-Gr-2, containing Al/N Lewis pairs exhibit better catalytic activity for CO2 hydrogenation with lower activation energies. CO2 hydrogenation on the three catalysts prefers to go through a three-step mechanism, i.e., the heterolytic dissociation of H2, followed by the transfer of the hydride near Al to CO2, and finally the activation of a second H2 molecule. Other IIIA group element (B and Ga)-embedded N-Gr-2 materials (B@N-Gr-2 and Ga@N-Gr-2) were also explored and compared. Both Al@N-Gr-2 and Ga@N-Gr-2 show higher catalytic activity for CO2 hydrogenation to HCOOH than B@N-Gr-2. However, the CO2 hydrogenation path on Ga@N-Gr-2 tends to follow a two-step mechanism, including H2 dissociation and subsequent hydrogen transfer. The present study provides a potential solution for CO2 hydrogenation by designing novel and effective FLP catalysts based on main group elements." @default.
- W4200506799 created "2021-12-31" @default.
- W4200506799 creator A5010776860 @default.
- W4200506799 creator A5011717029 @default.
- W4200506799 creator A5018002453 @default.
- W4200506799 date "2021-12-22" @default.
- W4200506799 modified "2023-10-16" @default.
- W4200506799 title "Rational Design of Main Group Metal-Embedded Nitrogen-Doped Carbon Materials as Frustrated Lewis Pair Catalysts for CO<sub>2</sub> Hydrogenation to Formic Acid" @default.
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- W4200506799 doi "https://doi.org/10.1021/acsami.1c20230" @default.
- W4200506799 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34935336" @default.
- W4200506799 hasPublicationYear "2021" @default.
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