Boosting the Performance of BiVO 4 Prepared through Alkaline Electrodeposition with an Amorphous Fe Co-catalyst

Hiba Saada; Rawa Abdallah; Bruno Fabre; Didier Floner; Stéphanie Fryars; Antoine Vacher; Vincent Dorcet; Cristelle Mériadec; Soraya Ababou-Girard; Gabriel Loget

Boosting the Performance of BiVO 4 Prepared through Alkaline Electrodeposition with an Amorphous Fe Co-catalyst

Hiba Saada ^{1, 2} Rawa Abdallah ² Bruno Fabre ² Didier Floner ² Stéphanie Fryars ² Antoine Vacher ² Vincent Dorcet ² Cristelle Mériadec ³ Soraya Ababou-Girard ³ Gabriel Loget ²

1 Lebanese University [Beirut]

2 ISCR - Institut des Sciences Chimiques de Rennes

3 IPR - Institut de Physique de Rennes

Abstract : BiVO4 is a promising n‐type semiconductor for water‐splitting photoelectrochemical cells. We report here a new method to prepare BiVO4 photoanodes that is based on an alkaline electrodeposition process, which avoids chemical etching of Bi. In addition, we present a simple and general method to prepare coatings of amorphous FeOx that behave as a co‐catalyst on our BiVO4 material, improving the water splitting photocurrent.

Document type :

Journal articles

Domain :

Chemical Sciences

Physics [physics]

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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01952354
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Submitted on : Wednesday, December 12, 2018 - 10:24:15 AM
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Boosting the Performance of BiVO 4 Prepared through Alkaline Electrodeposition with an Amorphous Fe Co-catalyst

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