Fig. 3From: The Antibacterial Polyamide 6-ZnO Hierarchical Nanofibers Fabricated by Atomic Layer Deposition and Hydrothermal GrowthFE-SEM images of PA 6 NFs, PA 6 NFs + 50 cycles of ALD ZnO, PA 6 NFs + 100 cycles of ALD ZnO, and PA 6 NFs + 150 cycles of ALD ZnO after 1 h (a~d), 3 h (e~h), and 6 h (i~l) hydrothermal reactions, respectivelyBack to article page