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. 2015 Jan 14;5:7782. doi: 10.1038/srep07782

Figure 3.

Figure 3

(a) Stress-strain curves of PEC/CNT-PSS membranes at 30% RH and the insertion is an optical photograph of free-standing PEC/CNT-PSS membrane with 1.0 wt% content, (b) SEM cross-section image of PEC/CNT-PSS membrane with 1.0 wt% content.