March 3, 2026Open Access

Highly Selective Toward HER or CO 2 RR by Regulating Cu Single and Dual Atoms on g‐C 3 N 4 (Adv. Funct. Mater. 10/2026)

Key Points

HER occurs primarily at single Cu atom sites, maximizing hydrogen production for energy applications.
CO2RR predominantly produces methane and minor CO at Cu dual atomic sites, facilitating carbon conversion.
Observational analysis highlights the atomic-level design of g-C3N4, enhancing selectivity towards specific reactions.
The findings suggest a novel approach for energy conversion, with implications for sustainable fuel production.

Abstract

Highly Selective Electrocatalysts The cover art depicts layered g-C3N4 hosting Cu single atoms and Cu─Cu dual-atom sites. Acting as a catalytic switch, single atoms promote H2 generation (HER), whereas dual-atom sites drive CO2 reduction (CO2RR) predominantly to methane with minor CO. Insets highlight both sites, underscoring atomic-level design for tunable energy conversion. More information can be found in the Research Article by Michitoshi Hayashi, Yao-Jane Hsu, and co-workers (10.1002/adfm.202514183).

Highly Selective Toward HER or CO 2 RR by Regulating Cu Single and Dual Atoms on g‐C 3 N 4 (Adv. Funct. Mater. 10/2026)

Key Points

Abstract

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