Figure 4

Response to repeated heating and cooling cycles for TCAs coated with (a) graphene or (b) graphene/AgNF. The mass ratio of AgNFs to graphene was 1 for the actuator shown in (b).

Response to repeated heating and cooling cycles for TCAs coated with (a) graphene or (b) graphene/AgNF. The mass ratio of AgNFs to graphene was 1 for the actuator shown in (b).