Protection Materials on III-V Semiconductors for Photoelectrochemical CO Reduction.

ABSTRACT: Tantalum oxide (TaO _x ) and amorphous titanium dioxide (TiO₂) are employed as protection materials for commercial GaInP/GaAs/Ge triple-junction solar cells to facilitate the unbiased photoelectrochemical reduction of carbon monoxide on nanostructured copper particles. It has been found that a photoelectrode protected by a 150 nm-thick layer of TiO₂, capped with 8 nm TaO _x , and decorated with copper nanocubes in the size of 150 nm can successfully drive the photoelectrochemical conversion of carbon monoxide to ethylene. Implemented into a photoelectrochemical flow reactor, which continuously supplies the active interface with CO-saturated electrolyte, the device achieves a faradaic efficiency of 24% under AM1.5G conditions. Direct a

SUBMITTER: Naumann K 

PROVIDER: S-EPMC11626860 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature