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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Johnson, J. Karl Ye, Jingyun |
| Copyright Year | 2016 |
| Abstract | Capture and conversion of CO2 to methanol using a renewable source of H2 is a promising way to reduce net CO2 emissions while producing valuable fuels. Design of an efficient heterogeneous catalyst for CO2 hydrogenation is critical for the large-scale implementation of the CO2 to methanol process. Combining both capture and conversion of CO2 in a single material has the potential to reduce the overall cost through process intensification. We have used density functional theory to computationally design a catalyst capable of producing methanol from CO2 and H2, including calculating the reaction pathways and barriers of each step. The catalyst consists of a microporous metal organic framework (UiO-67) functionalized with catalytically active Lewis pair functional groups. Our calculations indicate that this novel catalyst facilitates the heterolytic dissociation of H2 to generate hydridic and protic H atoms bound to Lewis acid and base sites, respectively, which facilitates a series of simultaneous transfer of two hydrogens to produce methanol: . Importantly, our catalyst binds H2 more strongly than CO2, which prevents CO2 from poisoning the Lewis acid and base sites. |
| Starting Page | 8392 |
| Ending Page | 8405 |
| Page Count | 14 |
| File Format | HTM / HTML PDF |
| ISSN | 20444753 |
| Volume Number | 6 |
| Issue Number | 24 |
| Journal | Catalysis Science & Technology |
| DOI | 10.1039/c6cy01245k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Heterogeneous catalysis Acid Renewable energy Electron pair Lewis Micro process engineering Density functional theory Dissociative Hydrogenation Metal\u2013organic framework Methanol |
| Content Type | Text |
| Resource Type | Article |
| Subject | Catalysis |
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