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Dissipative Acid-Fueled Reprogrammable Supramolecular Materials

Abstract : Smart materials reversibly changing properties in response to a stimuli are promising for a broad array of applications. In this article, we report the use of trichloroacetic acid (TCA) as fuel to create new types of timecontrolled materials switching reversibly from a gel to a solution (gel−sol−gel cycle). Applying various neutral amines as organogelators, TCA addition induces amine protonation, switching the system to a solution, while TCA decarboxylation over time enables a return to the initial gel state. Consequently, the newly obtained materials possess interesting time-dependent properties applied in the generation of remoldable objects, as an erasing ink, as chiroptical switches, or for the generation of new types of electrical systems.
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Submitted on : Tuesday, June 14, 2022 - 9:16:46 PM
Last modification on : Monday, June 27, 2022 - 2:16:31 PM


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Enzo Olivieri, Baptiste Gasch, Guilhem Quintard, Jean-Valère Naubron, Adrien Quintard. Dissipative Acid-Fueled Reprogrammable Supramolecular Materials. ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2022, 14 (21), pp.24720-24728. ⟨10.1021/acsami.2c01608⟩. ⟨hal-03695506⟩



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