Generation of Stable Photovoltage in Nonstoichiometric CuBi₂O₄ Thin-Film Photocathodes

Figure 1

(a) Schematic of the CuBi₂O₄ crystal structure and its thin films grown by pulsed laser deposition under controlled oxygen partial pressures. (b) X-ray diffraction patterns of the films grown on FTO substrate and PLD target. (c) Enlarged Braggs peak (310) region.

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(b)

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