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Multi-modal optimization of bismuth vanadate photoanodes via combinatorial alloying and hydrogen processing

Newhouse, Paul and Guevarra, Dan and Umehara, Mitsu and Boyd, David and Zhou, Lan and Cooper, Jason and Haber, Joel and Gregoire, John M. (2019) Multi-modal optimization of bismuth vanadate photoanodes via combinatorial alloying and hydrogen processing. In: 258th ACS National Meeting & Exposition, 25-29 August 2019, San Diego, CA. https://resolver.caltech.edu/CaltechAUTHORS:20190812-125247272

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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.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
https://www.acs.org/content/acs/en/meetings/national-meeting.htmlOrganizationConference Website
ORCID:
AuthorORCID
Newhouse, Paul0000-0003-2032-3010
Guevarra, Dan0000-0002-9592-3195
Umehara, Mitsu0000-0001-8665-0028
Zhou, Lan0000-0002-7052-266X
Cooper, Jason0000-0002-7953-4229
Haber, Joel0000-0001-7847-5506
Gregoire, John M.0000-0002-2863-5265
Additional Information:© 2019 American Chemical Society.
Group:JCAP
Record Number:CaltechAUTHORS:20190812-125247272
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190812-125247272
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97776
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Aug 2019 20:12
Last Modified:03 Oct 2019 21:34

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