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Article Dans Une Revue Angewandte Chemie International Edition Année : 2024

Orthogonal Photoswitching in a Porous Organic Framework

Résumé

The development of photoresponsive systems with non-invasive orthogonal control by distinct wavelengths of light is still in its infancy. In particular, the design of photochemically triggered-orthogonal systems integrated into solid materials that enable multiple dynamic control over their properties remains a longstanding challenge. Here, we report the orthogonal and reversible control of two types of photoswitches in an integrated solid porous framework, that is, visible-light responsive o-fluoroazobenzene and nitro-spiropyran motifs. The properties of the constructed material can be selectively controlled by different wavelengths of light thus generating four distinct states providing a basis for dynamic multifunctional materials. Solid-state NMR spectroscopy demonstrated the selective transformation of the azobenzene switch in the bulk, which in turn modulates N2 and CO2 adsorption.

Domaines

Matériaux
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Dates et versions

hal-04611731 , version 1 (13-06-2024)

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Citer

Jinyu Sheng, Jacopo Perego, Silvia Bracco, Piotr Cieciórski, Wojciech Danowski, et al.. Orthogonal Photoswitching in a Porous Organic Framework. Angewandte Chemie International Edition, 2024, 63 (23), pp.e202404878. ⟨10.1002/anie.202404878⟩. ⟨hal-04611731⟩
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