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. 2018 Dec 5;7:102. doi: 10.1038/s41377-018-0096-8

Fig. 2. Self-healing properties of each functional layer and the device.

Fig. 2

a–c Images of the self-healing processes of the EL component layers and the device (PAA layer—a, PU composite layer—b, and EL device—c). In these processes, i shows the initial states, ii shows the cut states, iii shows the healed states, iv shows the healed states by hanging a weight, and the red rectangle denotes the healed wounds. The weight is 10 g of mass. d Ionic conductivity of PAA conductor after multiple cutting–healing times. e Dielectric capacitance of PU phosphor layer after multiple cutting–healing times. f Mechanical strength of the EL device after multiple cutting–healing times