What question did this study set out to answer?

The aim is to assess the performance of ultrathin Al2O3 layers as nanomembranes in catalytic processes.

February 8, 2026Open Access

Molecularly modified ultrathin Al2O3 layers as proton-conductive, oxygen-impermeable nanomembranes for catalytic surfaces

Key Points

The aim is to assess the performance of ultrathin Al2O3 layers as nanomembranes in catalytic processes.
Characterization of ultrathin Al2O3 coatings
Evaluation of proton and O2 transport properties
Testing in photocatalytic and electrocatalytic applications
Enhanced proton conductivity observed in modified layers
Oxygen impermeability was successfully achieved
Improved selectivity in catalytic reactions noted with these coatings

Abstract

Ultrathin inorganic oxide coatings can improve selectivity in photo- and electrocatalysis, but they also bury active sites and impede transport of the desired reactants. Here we quantify proton and O2...

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