Two-level CO₂ Utilization Database

The reducing of CO₂ emission is urgent issue for us. The development of new material that yield high potential on capturing CO₂ from atmosphere is urgently needed. One of the most promising solid sorbent is metal organic framework (MOF) family composing of metal node and organic ligands in a certain topology corresponding to the coordination around metal node. In this database, we proposed the concept of two-level CO₂ utilization, when the first step is the conversion of CO₂ into the ligand for MOFs following by the second step where those MOFs are used as CO₂ sorbent. The total CO₂ utilization value represents the sum of CO₂ content integrated into the MOF structure plus the CO₂ adsorption capacity, maximizing the overall carbon utilization efficiency and contributing to sustainable carbon management strategies.

Level 1: CO₂ is converted into organic ligands through the carbamate formation processes, incorporating directly into the framework's structure. This step demonstrates how CO₂ can be transformed from a waste product into valuable building blocks for advanced materials.

Level 2: The synthesized MOFs, containing CO₂-derived ligands, are then utilized as high-performance adsorbents for CO₂ capture and storage. This creates a synergistic system where the framework not only contains CO₂ structurally but also provides enhanced sites for additional CO₂ adsorption.

This innovative approach represents a dual strategy where CO₂ serves as a raw material for ligand synthesis and as a target molecule for adsorption. For more details, see the reference.

[Ref]: P Mano, S Namuangruk, Chemical Engineering Journal 486, 150248