Journal of Nanomaterials / 2020 / Article / Fig 2

Research Article

Photoelectrochemical Properties of Porous Si/TiO2 Nanowire Heterojunction Structure

Figure 2

SEM of (a) porous Si, (b) Si/TiO2 nanowire, and (c) porous Si/TiO2 nanowire heterostructure.
(a)
(b)
(c)

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