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Figure 1 | Nanoscale Research Letters

Figure 1

From: CdS nanoparticles sensitization of Al-doped ZnO nanorod array thin film with hydrogen treatment as an ITO/FTO-free photoanode for solar water splitting

Figure 1

SEM images of AZO nanorod array thin film. SEM images of AZO nanorod array thin film with hydrogen treatment (a) and those sensitized by CdS nanoparticles for different cycle numbers (b-d). Cycle numbers are 1 (b), 3 (c), and 5(d). The insets show the color change for the AZO nanorod array thin films with hydrogen treatment before and after sensitization by CdS nanoparticles.

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