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Fig. 3.
Fig. 3. FE-SEM and elemental mapping images of Fe2O3–Cu2O heterojunction nanowire on Ag substrate after removing the template. (a) Top-view image, (b) cross-sectional image, and elemental mapping images of (c) selected area, (d) Fe, (e) Cu, and (f) O.
Applied Science and Convergence Technology 2020;29:200~204
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