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Layered Transition Metal Selenophosphites for Visible Light Photoelectrochemical Production of Hydrogen


The growing consumption of global energy has posed serious challenges to environmental protection and energy supplies. A promising solution is via introducing clean and sustainable energy sources, including photoelectrochemical hydrogen fuel production. 2D materials, such as transition metal trichalcogenphosphites (MPCh3), are gaining more and more interest for their potential as photocatalysts. Crystals of transition metal selenophosphites, namely MnPSe3, FePSe3 and ZnPSe3, were tested as photocatalysts for the hydrogen evolution reaction (HER). ZnPSe3 is the one that exhibited the lowest overpotential and the higher response to the light during photocurrent experiments in acidic media. For this reason, among the crystals in this work, it is the most promising for the photocatalyzed production of hydrogen.

Funding source: Grant Agency of the Czech Republic (GACR EXPRO: 19-26896X); Brno Ph.D. Talent scholarship funded by the Brno City Municipality, and the project Quality Internal Grants of BUT (KInG BUT), Reg. No. CZ.02.2.69 / 0.0 / 0.0 / 19_073 / 0016948; OP RDE. M.S. and S.N. thank the support of CzechNanoLab Research Infrastructure (LM2018110, MEYS CR).
Related subjects: Production & Supply Chain

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