Self-regulating and self-oscillating metal-organic framework hybrid plasmonic metasurfaces

Hajar Amyar, Davide Raffaele Ceratti, Henri Benisty, Andrea Cattoni, Mondher Besbes and Marco Faustini ()
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Hajar Amyar: Laboratoire Chimie de la Matière Condensée de Paris (LCMCP), Sorbonne Université, CNRS
Davide Raffaele Ceratti: Laboratoire Chimie de la Matière Condensée de Paris (LCMCP), Sorbonne Université, CNRS
Henri Benisty: Laboratoire Charles Fabry, Université Paris-Saclay, Institut d’Optique Graduate School, CNRS
Andrea Cattoni: Université Paris-Saclay, Centre de Nanosciences et de Nanotechnologies (C2N), CNRS UMR 9001
Mondher Besbes: Laboratoire Charles Fabry, Université Paris-Saclay, Institut d’Optique Graduate School, CNRS
Marco Faustini: Laboratoire Chimie de la Matière Condensée de Paris (LCMCP), Sorbonne Université, CNRS

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

Abstract: Abstract Metal-organic frameworks (MOFs) offer remarkable chemical versatility, structural diversity, and, in some cases, stimuli-responsiveness. In the latter case, they typically rely on external inputs to trigger these changes. In contrast, living systems possess the ability to internally self-regulate and autonomously adapt their properties without external intervention, utilizing internal feedback mechanisms. To fill this gap, we develop a MOF-based metasurface that exhibits autonomous optical self-regulation, dynamically adjusting light absorption in response to varying incident light intensity. This device integrates colloidal MOFs with a plasmonic metasurface to create a thermo-optical negative feedback mechanism based on vapor sorption in and out of the colloidal MOF device. The self-regulation process is dynamic, leading each MOF/antenna unit to exhibit self-oscillatory behavior in the presence of a constant external energy input, analogous to a light-fueled nanoscale steam engine. This proof-of-concept highlights the potential of harnessing MOFs and sorption processes for designing metasurfaces for adaptable optical applications. It also represents a first step toward the design of materials integrating feedback mechanisms and internal clocks paving the way for a new generation of porous materials with life-like autonomy.

Date: 2025
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DOI: 10.1038/s41467-025-65338-2

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