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Article Dans Une Revue Chemical Physics Letters Année : 2022

Effect of the spin crossover filler concentration on the performance of composite bilayer actuators

Résumé

Macroscopic, soft bilayer spin crossover@polymer actuators were fabricated by a blade casting technique using [Fe(NH2trz)3]SO4 spin crossover particles embedded in a P(VDF-TrFE) matrix. Incorporation of silver flakes in the second layer allowed for electro-thermal actuation via Joule heating. The speed and amplitude of the actuator bending movement, resulting from the expansion/contraction of the spin crossover particles on heating/cooling, were tested for different particle concentrations (15, 25, 33 and 50 wt%) under both open- and closed-loop controls. The capability of the actuators to embark charge and to follow a sinusoidal position was also investigated.
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Dates et versions

hal-03608746 , version 1 (15-03-2022)

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Mario Piedrahita-Bello, Yue Zan, Alejandro Enriquez-Cabrera, Gábor Molnár, Bertrand Tondu, et al.. Effect of the spin crossover filler concentration on the performance of composite bilayer actuators. Chemical Physics Letters, 2022, 793, pp.139438. ⟨10.1016/j.cplett.2022.139438⟩. ⟨hal-03608746⟩
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