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Dual Dynamics Engineering in COF@MOF Enabled by Laser-Embedded Metallic Clusters for Efficient Photocatalytic
Jiulong Wang1,2, Yan Kong3, Lanxing Ren4
1State Key Laboratory of Solidification Processing Center for Nano Energy Materials School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, China.
This study introduces a novel COF@MOF hybrid material with embedded metal clusters for enhanced photocatalytic hydrogenation. The advanced material achieves high yields of valuable chemicals and boosts hydrogen production rates.
Area of Science:
- Materials Science
- Catalysis
- Photochemistry
Background:
- Photocatalytic hydrogenation offers a sustainable route for converting solar and biomass resources into valuable chemicals.
- Key challenges include slow carbon monoxide (CO) reduction and inefficient photogenerated charge carrier dynamics.
Purpose of the Study:
- To develop an advanced COF@MOF hybrid material with embedded metal clusters to overcome limitations in photocatalytic hydrogenation.
- To enhance CO reduction selectivity and improve photogenerated-carrier dynamics for efficient chemical synthesis and hydrogen production.
Main Methods:
- Fabrication of covalent organic framework@metal-organic framework (COF@MOF) hybrids.
- In situ laser embedding of metal clusters (e.g., Platinum) within the COF@MOF structure.
- Characterization of material properties and catalytic performance for hydrogenation reactions.
Main Results:
- Achieved near 100% selective hydrogenation of the C─O bond, yielding 100% tetrahydrofurfuryl alcohol.
- Demonstrated significantly improved CO reduction over carbon-carbon (CC) reduction due to spatial control of clusters.
- Reported hydrogen production rates up to 125.48 mmol g-1 h-1, establishing a highly active Pt-based photocatalytic system.
Conclusions:
- The developed dual-dynamics strategy using bulk-embedded metal clusters in COF@MOF hybrids effectively boosts photocatalytic hydrogenation efficiency.
- This versatile approach offers a promising pathway for designing advanced photocatalysts for sustainable chemical production and energy applications.
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