Maqola

Light-driven anisotropy of 2D metal-organic framework single crystal for repeatable optical modulation

Yuliya KenzhebayevaSchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaNikita K. KulachenkovSchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaSergey S. RzhevskiySchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaПавел А. СлепухинPostovsky Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, Ekaterinburg, 620137, RussiaVladimir V. ShilovskikhCenter for Advancing Electronics, Technische Universität Dresden, 01069, Dresden, GermanyAnastasiia S. EfimovaSchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaPavel V. AlekseevskiySchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaGennady Y. GorOtto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ, 07102, USAAlina EmelianovaOtto H. York Department of Chemical and Materials Engineering, New Jersey Institute of Technology, University Heights, Newark, NJ, 07102, USASergei A. ShipilovskikhSchool of Physics and Engineering, ITMO University, St Petersburg, 197101, RussiaIrina D. YushinaSouth Ural State University, Chelyabinsk, 454080, RussiaА. С. КрыловKirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, RussiaDmitry I. PavlovNikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, 630090, RussiaVladimir P. FedinNikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, 630090, RussiaАndrei S. PotapovNikolaev Institute of Inorganic Chemistry SB RAS, Novosibirsk, 630090, RussiaValentin A. MilichkoInstitut Jean Lamour, Universit de Lorraine, UMR CNRS 7198, 54011, Nancy, France

2024en

ABI

Annotatsiya

Abstract Structural transformations of metal-organic frameworks (MOFs) go through a complex energy landscape with multiple intermediate states. Although the transformations allow controlling the functional properties of the MOFs, an imbalance between MOF flexibility and rigidity sets a fundamental barrier to achieving fast and multiple transformations. Here, we study the stimuli-responsive structural transformation in a 2D MOF assembled from paddle-wheel secondary building units joined by a semi-flexible organic ligand with 1,2,4-triazole and carboxylate groups with a rigid adamantane cage between them. The structure results in a distinctive combination of MOF flexibility and rigidity, thus, facilitating a continuous transformation driven by laser light. We reveal the laser-induced anisotropic thermal expansion nature of such transformation, initiating optical changes of the 2D MOF. The latter is utilized for fast and highly repeatable optical modulation of over 10,000 cycles. The endurance of such a 2D MOF-based optical modulator during 1 year of storage at ambient conditions paves the way to design tunable and robust MOFs for diverse applications.

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Identifikatorlar

DOI: 10.1038/s43246-024-00485-5

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