Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors
Abstract: The unidirectional rotation of chemically crosslinked light‐driven molecular motors is shown to progressively shift the swelling equilibrium of hydrogels. The concentration of molecular motors and the initial strand density of the polymer network are key parameters to modulate the macroscopic contraction of the material, and both parameters can be tuned using polymer chains of different molecular weights. These findings led to the design of optimized hydrogels revealing a half‐time contraction of approximately 5 min. Furthermore, under inhomogeneous stimulation, the local contraction event was exploited to design useful bending actuators with an energy output 400 times higher than for previously reported self‐assembled systems involving rotary motors. In the present configuration, we measure that a single molecular motor can lift up loads of 200 times its own molecular weight.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors ; day:14 ; month:02 ; year:2023 ; extent:12
Angewandte Chemie ; (14.02.2023) (gesamt 12)
- Urheber
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Perrot, Alexis
Wang, Wen‐zhi
Buhler, Eric
Moulin, Emilie
Giuseppone, Nicolas
- DOI
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10.1002/ange.202300263
- URN
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urn:nbn:de:101:1-2023021414362352854560
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:48 MESZ
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Beteiligte
- Perrot, Alexis
- Wang, Wen‐zhi
- Buhler, Eric
- Moulin, Emilie
- Giuseppone, Nicolas
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