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Figure 4 | Nanoscale Research Letters

Figure 4

From: Intensify the application of ZnO-based nanodevices in humid environment: O2/H2 plasma suppressed the spontaneous reaction of amorphous ZnO nanowires

Figure 4

The c-ZnO NWs have been passivated by O 2 /H 2 plasma treatment. (a, b) c-ZnO NW with O2 plasma (60 mW, 1 min) passivation has maintained the original forms after 48 h humidity (80% ± 2.5%) treatment. (c, d) ZnO NWs with H2 plasma (60 mW, 1 min) passivation also have no a-ZnO NBs spontaneous reaction from the ZnO NWs. (e) For O2 plasma treatment, the UV sensing ability can be improved. (f) For H2 plasma treatment, the UV sensing ability of ZnO nanodevice also enhanced more than two fold.

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