Figure 3: Solar-driven PEC water-splitting properties. | Nature Communications

Figure 3: Solar-driven PEC water-splitting properties.

From: Cobalt phosphate-modified barium-doped tantalum nitride nanorod photoanode with 1.5% solar energy conversion efficiency

Figure 3

(a) Current–potential curves for Co-Pi/Ta3N5 nanorod photoanode and Co-Pi/Ba-Ta3N5 nanorod photoanode in dark and under AM 1.5G-simulated sunlight. (b) Solar energy conversion efficiency of the photoanodes calculated from the current–potential curves in a. (c) Steady-state photocurrent of the photoanodes held at 0.9 V versus RHE under AM 1.5G-simulated sunlight. (d) Wavelength dependence of IPCE for Co-Pi/Ba-Ta3N5 nanorod photoanode at different applied potentials.

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