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SEM images of the ECAs filled with 30 wt% silver nanowires before (a) and after (b) being heated at 180 °C for 20 min in a vacuum oven. (c) SEM image of the ECAs cured at 250 °C for 20min. (d–g) Localized magnified SEM images of sintering and fracture in the silver nanowires shown in (c).
