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. 2018 Dec 3;6:598. doi: 10.3389/fchem.2018.00598

Figure 7.

Figure 7

Current–time curves of (A) the “liquid | solid | liquid” interfaces and (B) the “gas | solid | liquid” interfaces at an applied potential of 1.0 V vs. Ag/AgCl in a three-electrode configuration. The working electrodes were WO3/Ti fiber electrodes with and without a Nafion ionomer coating. The irradiation source was 453 nm blue light.