Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.340
Publication date: 16th December 2024
Carboranes, polyhedral boron clusters, have emerged as a fascinating class of 3D ligands for the construction of metal-organic frameworks (MOFs) due to their unique properties, such as thermal stability, chemical inertness, and tunable electronic and steric characteristics. Carborane-based MOFs have gained significant attention in recent years as promising materials for various applications [1]. The versatility of carboranes allows for the design and synthesis of MOFs with diverse structures and properties, offering exciting opportunities for fundamental research and practical applications.
We are currently exploring the integration of lanthanide and/or transition metal ions with carborane ligands to create a range of innovative multifunctional materials. Our recent work demonstrated that the bulkiness and acidity of carborane linkers enables the synthesis of multivariate MOFs incorporating flexible combinations of multiple lanthanides. This strategy has produced Tb/Eu MOFs for anticounterfeiting [2], GdLn MOFs with magnetocaloric and luminescent properties [3], and the first-ever MOF containing eight different lanthanides [4]. Leveraging the multivariate approach, we are currently synthesizing carborane-based MOFs with strategically selected lanthanide combinations and exploring our approach to transition metals. This strategy allows us to explore the properties of "complex multifunctional materials" and develop novel materials with tailored functionalities.
This work was financially supported by the Spanish “Ministerio de Ciencia, Innovacion y Universidades” (PID2022-136892NB-I00), the State Investigation Agency, through the Severo Ochoa Program for Centres of Excellence in R&D (CEX2023-001263-S and CEX2023-001286-S), and by the Generalitat de Catalunya (2021/SGR/00442).
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