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(a) Temperature response of the printed PTU LCE actuator by heating it from 30 to 110 °C. The scale bar represents 0.50 cm. (b) The corresponding actuation strain as a function of temperature showing a maximum contraction up to 12.7%. The actuation performance is averaged over three heating–cooling cycles. (c) Thermal cycling of the printed strip by repeated heating and cooling between 110 and 30 °C.
