Four-Dimensional Printed Liquid Crystalline Elastomer Actuators with Fast Photoinduced Mechanical Response toward Light-Driven Robotic Functions. Lorena Ceamanos, Zehra Kahveci, María López-Valdeolivas, Danqing Liu, Dirk Jan Broer, and Carlos Sánchez-Somolinos. ACS Applied Materials & Interfaces 2020 12 (39), 44195-44204, DOI: 10.1021/acsami.0c13341