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. 2015 Dec 26;10:495. doi: 10.1186/s11671-015-1202-y

Fig. 1.

Fig. 1

SEM images of imprinted AAO and schematic of AAO structure and formation mechanism. a Top-view SEM image of imprint AAO with D int of 1 μm. b Cross-sectional SEM image of imprint AAO with D int of 1 μm. c Schematic of AAO nanoporous structure and major features of AAO formation