Structural characterization of photoactive polymeric gels crosslinked with rotary molecular motors
The last two decades have seen the exponential rise of the development of smart materials sensitive to their external environment, as a consequence of the changes of the local physicochemical properties of their molecular components. Our team developed a molecular motor, which can continuously produce a torque under constant input of UV light, that can be used as a crosslinking agent in polymeric networks. We reported the formation of gels of poly(ethylene glycol) that can contract over time under UV light, as a consequence of the braiding of the macromolecules caused by the unidirectional rotation of molecular motors. Our current research focuses now on the exploration of the impact of the polymeric backbone on the contraction of the gel, by varying the persistence length and the contour length of the macromolecules. Therefore, SANS will be used to explore the change in the conformation of the macromolecules upon contraction of the material, in order to establish the structure-property relationship of our systems.
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PERROT Alexis; BUHLER Eric; DATTLER Damien; GIUSEPPONE Nicolas; MOULIN Emilie and PREVOST Sylvain. (2021). Structural characterization of photoactive polymeric gels crosslinked with rotary molecular motors. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-2004
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