Journal
CHEMICAL PHYSICS LETTERS
Volume 793, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2022.139438
Keywords
Spin crossover; Nanocomposite; Polymer; Actuator; Automatization
Funding
- Federal University of Toulouse/Region Occitanie
- Agence Nationale de la Recherche [ANR-19-CE09-0008-01]
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Macroscopic, soft bilayer spin crossover@polymer actuators were fabricated by embedding [Fe(NH(2)trz)(3)]SO4 spin crossover particles in a P(VDF-TrFE) matrix and incorporating silver flakes for electro-thermal actuation. The speed and amplitude of the actuator bending movement, as well as its charge capacity and ability to follow a sinusoidal position, were investigated.
Macroscopic, soft bilayer spin crossover@polymer actuators were fabricated by a blade casting technique using [Fe(NH(2)trz)(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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