Abstract
Mixed metal vanadates are an interesting class of materials due to their favorable bandgap for visible light absorption and their catalytic activity.
Highlights
In the eld of photoelectrochemical (PEC) water splitting, bismuth vanadate (BiVO4) has emerged as one of the highest performing metal oxide photoanodes
With recent progress and success of achieving 90% of its theoretical maximum photocurrent, it is clear that further improvement in the solar-tohydrogen (STH) efficiency of bismuth vanadate (BiVO4) is limited by its bandgap (2.4–2.5 eV).[1,2]
We prepared a series of BixFe1ÀxVO4 (0 # x # 1) lms by electrospinning (Scheme S1†)
Summary
In the eld of photoelectrochemical (PEC) water splitting, bismuth vanadate (BiVO4) has emerged as one of the highest performing metal oxide photoanodes. The combination of Fe and Bi vanadate shows higher catalytic efficiency and increased visible light absorption; in particular, the Fe0.5Bi0.5VO4 composition demonstrates the highest PEC performance. The absorption spectra of the mixed vanadate lms obtained from UV-vis spectroscopy are shown in Fig. 2a and b.
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