BiVO₄ Photoanode with Exposed (040) Facets for Enhanced Photoelectrochemical Performance.

ABSTRACT: A BiVO₄ photoanode with exposed (040) facets was prepared to enhance its photoelectrochemical performance. The exposure of the (040) crystal planes of the BiVO₄ film was induced by adding NaCl to the precursor solution. The as-prepared BiVO₄ photoanode exhibits higher solar-light absorption and charge-separation efficiency compared to those of an anode prepared without adding NaCl. To our knowledge, the photocurrent density (1.26 mA cm^-2 at 1.23 V vs. RHE) of as-prepared BiVO₄ photoanode is the highest according to the reports for bare BiVO₄ films under simulated AM1.5G solar light, and the incident photon-to-current conversion efficiency is above 35% at 400 nm. The photoelectrochemical (PEC) water-splitting performance was

SUBMITTER: Xia L 

PROVIDER: S-EPMC6199060 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature