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Tunable Photocatalytic Activity of CoFe Prussian Blue Analogue Modified SrTiO3 Core-Shell Structures for Solar-Driven Water Oxidation.

ABSTRACT: This study presents a pioneering semiconductor-catalyst core-shell architecture designed to enhance photocatalytic water oxidation activity significantly. This innovative assembly involves the in situ deposition of CoFe Prussian blue analogue (PBA) particles onto SrTiO3 (STO) and blue SrTiO3 (bSTO) nanocubes, effectively establishing a robust p-n junction, as demonstrated by Mott-Schottky analysis. Of notable significance, the STO/PB core-shell catalyst displayed remarkable photocatalytic performance, achieving an oxygen evolution rate of 129.6 μmol g-1 h-1, with stability over an extended 9-h in the presence of S2O82- as an electron scavenger. Thorough characterization unequivocally verified the precise alignment of the band energies within the STO/PB core-shell assembly. Our research underscores the critical role of tailored semiconductor-catalyst interfaces in advancing the realm of photocatalysis and its broader applications in renewable energy technologies.

SUBMITTER: Peighambardoust NS 

PROVIDER: S-EPMC10941283 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature

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Tunable Photocatalytic Activity of CoFe Prussian Blue Analogue Modified SrTiO<sub>3</sub> Core-Shell Structures for Solar-Driven Water Oxidation.

Peighambardoust Naeimeh Sadat NS   Sadigh Akbari Sina S   Lomlu Rana R   Aydemir Umut U   Karadas Ferdi F  

ACS materials Au 20231218 2

This study presents a pioneering semiconductor-catalyst core-shell architecture designed to enhance photocatalytic water oxidation activity significantly. This innovative assembly involves the in situ deposition of CoFe Prussian blue analogue (PBA) particles onto SrTiO<sub>3</sub> (STO) and blue SrTiO<sub>3</sub> (bSTO) nanocubes, effectively establishing a robust p-n junction, as demonstrated by Mott-Schottky analysis. Of notable significance, the STO/PB core-shell catalyst displayed remarkable  ...[more]

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