Journal
NANO RESEARCH
Volume 15, Issue 12, Pages 10110-10133Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-022-4576-z
Keywords
selective CO2 hydrogenation; metal-organic frameworks (MOFs); noble metal; nonnoble metal; diverse products; mechanism
Categories
Funding
- National Key Research and Development Program of China [2021YFA1500403]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDB36000000]
- National Natural Science Foundation of China [22173024, 21722102, 51672053]
- Beijing Natural Science Foundation [2182087]
- Youth Innovation Promotion Association CAS
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This review systematically summarizes recent advances in MOFs based catalysts for CO2 hydrogenation towards diverse products. It covers the synthesis strategies for different kinds of MOFs based catalysts, selective hydrogenation of CO2 towards CO and methane over various metal nanoparticles/MOFs composites, heterogenization and isolation of molecular catalysts by MOFs for producing formic acid, selective hydrogenation of CO2 towards methanol based on interface structures of Cu, Zn, and metal nodes of MOFs, the synergy between auxiliary sites and noble metal, and tandem catalytic systems of molecular catalysts and Lewis acid sites. The integration of multiple metal sites, promoters, and cocatalysts into MOFs for the selective hydrogenation of CO2 to C2+ products is also discussed. The stability of MOFs based catalysts for CO2 hydrogenation reaction is addressed, and the future perspectives for MOFs based catalysts for selective CO2 hydrogenation and mechanism research are proposed.
Selective hydrogenation of CO2 to high value-added chemicals, not only gives an effective way to reduce the concentration of CO2, but also provides the precursors to advance the industrial manufacturing of chemicals and fuels. With the well-defined reticular frameworks and flexible modifiability, metal-organic frameworks (MOFs) can be the ideal platform to construct the enabled catalysts for CO2 hydrogenation, because they have shown the great potential for the enhancement of catalytic activity, the precise control of selectivity, and the excellent stability. In this review, we systematically summarize the recent advances in MOFs based catalysts for CO2 hydrogenation towards diverse products. Firstly, synthesis strategies for different kinds of MOFs based catalysts are described. Secondly, selective hydrogenation of CO2 towards CO and methane is discussed over various metal nanoparticles/MOFs composites. Thirdly, heterogenization and isolation of molecular catalysts by MOFs are elaborated for producing formic acid. Fourthly, selective hydrogenation of CO2 toward methanol is discussed in terms of interface structures of Cu, Zn, and metal nodes of MOFs, the synergy between auxiliary sites and noble metal, and tandem catalytic systems of molecular catalysts and Lewis acid sites. Subsequently, the integration of multiple metal sites, promoters, and cocatalysts into MOFs is described for the selective hydrogenation of CO2 to C2+ products. After those, the key issue about the stability of MOFs based catalysts for CO2 hydrogenation reaction is discussed. Finally, the summary and perspective about MOFs based catalysts for selective CO2 hydrogenation and mechanism research are proposed.
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