Figure 1.

(A) Synthesis route of the azobenzene liquid crystalline elastomers. (B) Schematic illustration of the reversible transesterification reaction. (A,B) Reprinted with permission from Lu et al. (2017) Copyright Wiley-VCH. (C) Reconfigurable shape morphing of a single actuator through synergistic use of photochemical and photothermal effects. Reprinted with permission from Lahikainen et al. (2018) Copyright Springer Nature. (D) Schematic showing the “self-lockable” liquid crystalline Diels-Alder dynamic network (LCDAN) actuators that can be (re) shaped into 3D objects at room temperature. Reprinted with permission from Jiang et al. (2020) Copyright Wiley-VCH.