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Published August 2019 | Version public
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Multi-modal optimization of bismuth vanadate photoanodes via combinatorial alloying and hydrogen processing

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Abstract

Alloying transition metals, such as Mo, into BiVO_4 has emerged as the primary mechanism for improving carrier transport in this photoanode for solar fuels prodn. The present work establishes the generality of improving photoelectrochem. performance through co-alloying with a transition metal electron donor and a structure-modulating rare earth. Further improvement for all such alloys is obtained by annealing the oxide materials in H_2, ultimately producing photoanodes with above 3 mA cm-2 photocurrent d. under AM 1.5G illumination, in the top tier of compact BiVO_4 films.

Additional Information

© 2019 American Chemical Society.

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Eprint ID
97776
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CaltechAUTHORS:20190812-125247272

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https://www.acs.org/content/acs/en/meetings/national-meeting.html (URL)

Dates

Created
2019-08-12
Created from EPrint's datestamp field
Updated
2019-10-03
Created from EPrint's last_modified field

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