All-visible-light-driven salicylidene schiff-base-functionalized artificial molecular motors

Sven Vliet, Jinyu Sheng, Charlotte N. Stindt and Ben L. Feringa ()
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Sven Vliet: University of Groningen
Jinyu Sheng: University of Groningen
Charlotte N. Stindt: University of Groningen
Ben L. Feringa: University of Groningen

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Light-driven rotary molecular motors are among the most promising classes of responsive molecular machines and take advantage of their intrinsic chirality which governs unidirectional rotation. As a consequence of their dynamic function, they receive considerable interest in the areas of supramolecular chemistry, asymmetric catalysis and responsive materials. Among the emerging classes of responsive photochromic molecules, multistate first-generation molecular motors driven by benign visible light remain unexplored, which limits the exploitation of the full potential of these mechanical light-powered systems. Herein, we describe a series of all-visible-light-driven first-generation molecular motors based on the salicylidene Schiff base functionality. Remarkable redshifts up to 100 nm in absorption are achieved compared to conventional first-generation motor structures. Taking advantage of all-visible-light-driven multistate motor scaffolds, adaptive behaviour is found as well, and potential application in multistate photoluminescence is demonstrated. These functional visible-light-responsive motors will likely stimulate the design and synthesis of more sophisticated nanomachinery with a myriad of future applications in powering dynamic systems.

Date: 2024
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DOI: 10.1038/s41467-024-50587-4

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