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Figure 6 | Nanoscale Research Letters

Figure 6

From: Photocurrent detection of chemically tuned hierarchical ZnO nanostructures grown on seed layers formed by atomic layer deposition

Figure 6

SEM images of the 3-D hierarchical ZnO synthesized with the combined hydrothermal and ALD method. (a) 2-D nanosheet on a ZnO/Al2O3 (1 nm/5 nm) seed layer by hydrothermal synthesis, (b) 2-D nanosheet after 30 ALD cycles of ZnO deposited at 150 °C, (c) magnified SEM image of the red square region in Figure 6b, (d) 3-D hierarchical ZnO nanostructure after application of the hydrothermal method for 1 hr, (e) magnified SEM image of the red square region in Figure 6d, and (f) tilted (30°) view of the 3-D hierarchical ZnO nanostructure.

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