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Title
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P‑Doped g‑C3N4 Nanosheet-Modified BiVO4 Hybrid Nanostructure as an Efficient Visible Light-Driven Water Splitting Photoanode
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Type
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JournalPaper
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Keywords
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: bismuth vanadate, phosphorus-doped g-C3N4 nanosheets, mid-gap state, photoelectrochemical, water splitting, density functional theory (DFT)
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Abstract
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Here, a solution combustion method was employed to construct a photoanode based on bismuth vanadate (BV) composition. To curtail the fast charge recombination, phosphorus-doped g-C3N4 nanosheets (PCNS) in combination with BV are considered a potential approach. The prepared solution combustion facilitated the formation of a BiVO4-PCNS (BV-PCNS) hybrid photoanode with worm-like morphology with a simple setup. The weight ratio of PCNS/BiVO4 and the loading volume/cm2 were optimized to determine the most efficient photoanode. The highest photocurrent density of 0.5 mA/cm2 at 1.23 V vs reversible hydrogen electrode (RHE) under 1 sun illumination was achieved for the hybrid nanostructure at 2 wt % of PCNS/BiVO4 and 50 μL loading volume/cm2 (BV-PCNS2-50), which is fivefold higher than that of the BV control sample.
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Researchers
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Alireza Zaker Moshfegh (Fifth Researcher), Babak Jaleh (Fourth Researcher), Kourosh Rahimi (Third Researcher), Anise Akhundi (Second Researcher), (First Researcher)
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