The rational design of Cu2−xSe@(Co,Cu)Se2core–shell structures as bifunctional electrocatalysts for neutral-pH overall water splitting

Herein, we designed a Cu_2−xSe@(Co,Cu)Se₂core–shell structure with ultrathin (Co,Cu)Se₂nanosheets anchored as a shell on an internal Cu_2−xSe core as an effective bifunctional catalyst under neutral-pH conditions.