Nanotechnology

Electrode

Shell (structure)

Mathematics

Electrocatalyst

Etching (microfabrication)

Reduction (mathematics)

Engineering

Physical chemistry

Composite material

Core (optical fiber)

Chemistry

Metallurgy

Materials science

Geometry

Layer (electronics)

Alloy

Chemical engineering

Nanoporous

Electrochemistry

Journal of Materials Chemistry A

Monolithic bulk nanoporous core–shell AuCu3@Au has been synthesized through a facile oxidative etching of the Au20Cu80 alloy, which exhibits high efficiency for the electrocatalytic reduction of CO2 in a broad potential window.

Core–shell nanoporous AuCu3@Au monolithic electrode for efficient electrochemical CO2 reduction