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Nano Convergence
Fig. 2 | Nano Convergence

Fig. 2

From: A dual-functional flexible sensor based on defects-free Co-doped ZnO nanorods decorated with CoO clusters towards pH and glucose monitoring of fruit juices and human fluids

Fig. 2

a Low-resolution (20 nm) STEM image of CO/CZO heterostructure nanorods and b high-resolution (5 nm) STEM image of the area enclosed by a blue rectangle in a. c Sum EDS mapping image of a, which consists of three colors—blue, green, and red—that specify the availability of d Zn, e Co, and f O in the prepared CO/CZO nanorods

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