Fabrication of Affordable and Sustainable Solar Cells Using NiO/TiO₂ P-N Heterojunction

Figure 5

SEM of (a) NiO thin film at lower magnification, (b) NiO thin film at higher magnification, (c) fabricated NiO/TiO₂ heterojunction solar cell at lower magnification, and (d) fabricated NiO/TiO₂ heterojunction solar cell at higher magnification.

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(b)

(c)

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