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- W4320151628 abstract "Silicon cathodes for the efficient production of hydrogen in the photoelectrochemical process of water splitting have been created and studied. A photoactive layer on p-Si wafer was obtained by pulsed laser doping of the wafer with phosphorus from a solution of orthophosphoric acid. A film of amorphous molybdenum sulfide (a-MoSx) up to 4 nm thick was deposited on the surface of the modified n+p-Si wafer. This caused a significant increase in photocurrents in the acid solution as compared to the bare n+p-Si. The composition of the catalytic film was modified during the photoelectrochemical process of hydrogen evolution. The study of the energy bands at the interface of the a-MoSx heterojunction with the n+-Si layer showed that the reaction of hydrogen evolution proceeded, probably, because of electron tunneling through the a-MoSx film. Using the density functional theory, a thermodynamic analysis of the possible effect of chemical changes on the silicon surface and in the a-MoSx film itself on the efficiency of hydrogen catalysis was carried out." @default.
- W4320151628 created "2023-02-13" @default.
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- W4320151628 date "2022-01-01" @default.
- W4320151628 modified "2023-09-27" @default.
- W4320151628 title "Study of the mechanism of photoactivated hydrogen evolution on a silicon photocathode with a-MoSx thin-film catalyst" @default.
- W4320151628 doi "https://doi.org/10.30791/1028-978x-2022-11-5-15" @default.
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