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. 2020 Aug 6;12(35):38829–38844. doi: 10.1021/acsami.0c10802

Figure 6.

Figure 6

Actuation of stimuli-responsive PET-based actuators. (A) A ductile PET substrate is spray-applied with a light-responsive, brittle LCN. Arbitrary shapes can be accessed through thermal programming: the bilayers can be reversibly actuated using UV (365 nm) and visible (405 nm) light before being thermally shape fixed again. Reproduced with permission from ref (67). Copyright 2020 Wiley-VCH. (B) A bilayer actuator is fabricated by depositing CNFs onto a PET substrate. The CNFs self-assembled perpendicular to the long axis of the substrate. The ab- and desorption of moisture by the aligned CNFs reversibly deforms the bilayer. Reproduced from ref (68). Copyright 2019 Elsevier.