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Development of solar fuels photoanodes through combinatorial integration of multifunctional Fe-Ce oxide coatings on BiVO4 as a function of coating composition, loading, and electrolyte

Haber, Joel and Guevarra, Dan and Shinde, Aniketa and Zhou, Lan and Toma, Francesca and Gregoire, John (2018) Development of solar fuels photoanodes through combinatorial integration of multifunctional Fe-Ce oxide coatings on BiVO4 as a function of coating composition, loading, and electrolyte. In: 255th American Chemical Society National Meeting & Exposition, March 18-22, 2018, New Orleans, LA. http://resolver.caltech.edu/CaltechAUTHORS:20180412-155950683

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Abstract

The development of an efficient, stable photoanode to provide protons and electrons to the (photo)cathode remains a primary materials challenge in the establishment of a scalable technol. for artificial photosynthesis. The typical photoanode architecture consists of a semiconductor light absorber coated with a metal oxide that serves a combination of functions, including corrosion protection, electrocatalysis, light trapping, hole transport, and elimination of deleterious surface recombination sites. To provide a more efficient exploration of metal oxide coatings for a given light absorber, we introduce a high throughput methodol. wherein a uniform BiVO4 library is coated with multi-metal oxide coatings. This presentation will focus on the variation in performance and photo-response of integrated photoanodes consisting of BiVO4 coated with a sputter deposited Fe-Ce oxide film as a function of compn. and loading. Parallel photoanode libraries were prepd. and evaluated at pH 13 and pH 9.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
https://global.acs.org/events/255th-acs-national-meeting-exposition/OrganizationConference Website
ORCID:
AuthorORCID
Shinde, Aniketa0000-0003-2386-3848
Toma, Francesca0000-0003-2332-0798
Gregoire, John0000-0002-2863-5265
Additional Information:© 2018 American Chemical Society.
Group:JCAP
Record Number:CaltechAUTHORS:20180412-155950683
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180412-155950683
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85799
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Apr 2018 23:49
Last Modified:12 Apr 2018 23:49

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