fig1
Figure 1. Shape changes of hydrogel and LCP actuators. (A) The pNIPAM layer swells and shrinks at low and high temperatures, respectively. Reproduced with permission from ref.[47]. Copyright 2018, Royal Society of Chemistry (RSC). (B) The LCN film oscillates under UV irradiation. (C) The sunlight focused by the lens causes the thin film to oscillate. Reproduced with permission from ref.[48] under the CC -NC license. Copyright 2017, The Authors, published by Wiley-VCH.
