Alumina and Hafnia ALD Layers for a Niobium-Doped Titanium Oxide Photoanode

<table>EIS spectra showing the Nyquist plots of the alumina ALD layers on Nb : TiO<sub>2</sub> DSC (a) and hafnia ALD layers on Nb : TiO<sub>2</sub> (b) for different cycles.</table>

International Journal of Photoenergy

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Figure 3

Figure 3: Alumina and Hafnia ALD Layers for a Niobium-Doped Titanium Oxide Photoanode 