Fig. 5 | Nature Communications

Fig. 5

From: Atomically dispersed hybrid nickel-iridium sites for photoelectrocatalysis

Fig. 5

Stability test on H-NiOx. The chronopotentiometric curve obtained with the H-NiOx photoelectrode in 4.0 M NaOH + 1.0 μM Ir-anion at 1.23 V RHE under AM 1.5 illumination. A chopped light operation with 20 min interval was performed after 73 h of continuous stability test. The image of the photoanode window (inset) exhibits a bubble evolution/coverage on the surface of the Ni/Ir-decorated hematite photoanode

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