Molecular light-to-heat conversion promotes orthogonal synthesis and assembly of metal-organic frameworks

Aritra Biswas, Nir Lemcoff, Ofir Shelonchik, Mark Baranov, Gil Gordon, Uri Ben Nun and Yossi Weizmann ()
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Aritra Biswas: Ben-Gurion University of the Negev
Nir Lemcoff: Ben-Gurion University of the Negev
Ofir Shelonchik: Ben-Gurion University of the Negev
Mark Baranov: Ben-Gurion University of the Negev
Gil Gordon: Ben-Gurion University of the Negev
Uri Ben Nun: Ben-Gurion University of the Negev
Yossi Weizmann: Ben-Gurion University of the Negev

Nature Communications, 2025, vol. 16, issue 1, 1-11

Abstract: Abstract Temperature is a fundamental parameter in any chemical process, affecting reaction rates, selectivity and more. In this regard, photon-assisted heat generation for chemical reactions utilizing photothermal materials is emerging as an exciting tool for innovative research. Herein, we develop a synthesis and in-situ assembly strategy for metal-organic frameworks (MOFs) based on the distinct heating of photothermal materials under visible light. A simple cobalt chloride molecular complex is utilized as an efficient and stable light-to-heat converter for initial MOF formation. A thorough investigation of the assembly mechanism reveals the key role photothermal conversion has in the synthesis of the superstructures. Finally, palladium nanoparticles (PdNPs) are utilized as competing photothermal agents (PTAs) shedding light on the dynamics between different heat sources within a reaction and resulting in MOF-NP composites. This work highlights the versatility of the photothermal approach in the synthesis of advanced materials introducing a promising route to the micro/nano assembly of different materials.

Date: 2025
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DOI: 10.1038/s41467-025-57933-0

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