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Novel photocatalysts based on ferroelectric high entropy oxide-metal nanoparticle composites

Project description

Visible-light-driven photocatalysis leveraging plasmonic metal nanoparticles

Ferroelectric high entropy oxides (FHEOs) possess novel structural and functional properties leading to the generation of multiple active sites with improved separation of charge carriers, significantly benefitting photocatalytic reactions. Integration with plasmonic metal nanoparticles can enable photocatalytic activity driven by visible light due to localised surface plasmon resonance. With the support of the Marie Skłodowska-Curie Actions programme, the FHEOAG project aims to synthesise innovative FHEOs decorated with plasmonic metal nanoparticles and exhibiting improved charge separation and visible light absorption. The improved photocatalytic activity with visible light will be demonstrated in degradation of wastewater pollutants and in water splitting.

Objective

Ferroelectric high entropy oxides (FHEOs) are a novel type of ferroelectric material with the simultaneous existence of configurational entropy and internal ferroelectric polarisation. These effects combined with intrinsic lattice distortion and uneven electron-cloud distribution of high entropy oxides can lead to the generation of multiple active sites with improved separation of charge carriers, significantly impacting different photocatalytic reactions, such as pollutants degradation and water splitting. Furthermore, the visible-light-driven photocatalytic activity of FHEOs can be secured by the decoration with plasmonic metal nanoparticles (MNPs), efficiently harvesting visible light due to their localised surface plasmon resonance (LSPR). Thus, our strategy is to synthesize an entirely new FHEO and decorate it with plasmonic MNPs to produce a novel material with improved charge separation and visible light absorption, which will contribute to a major step forward in the catalysis field. The produced materials will be fully characterised and the photocatalytic efficiency will be evaluated over the degradation of pollutants present in wastewater and in the water splitting process.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2023-PF-01

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Coordinator

INSTITUT JOZEF STEFAN
Net EU contribution
€ 171 399,36
Address
Jamova 39
1000 Ljubljana
Slovenia
Region
Slovenija Zahodna Slovenija Osrednjeslovenska
Activity type
Research Organisations
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Total cost
No data