Figure 7

Infrared images of flexible transparent film heaters based on (a) the as-deposited Ag NW network, and Ag NW networks irradiated by sunlight for (b) 1 hour and (c) 4 hours, respectively. (d) Time-dependent central temperature of the heaters based on the as-deposited Ag NW network (black), and the Ag NW networks irradiated by sunlight for 1 hour (red) and 4 hours (blue), respectively.