Publikacje

Data publikacji: 2025-01-01

Single atom and sub-nanometer copper clusters deposited on titania for hydrogen evolution reaction: A density functional study

Dorota Rutkowska-Zbik, Vidya Kaipanchery, Renata Tokarz-Sobieraj

Catalysis Today 446 (2025-01-01) 115142

Abstrakt

We present a systematic theoretical study on the applicability of the hybrid Cun-TiO2 systems (n = 1 – 7) for photo electrochemical hydrogen evolution reaction. The preferred binding sites for hydrogen atom are determined. The hydrogen adopts a Cu-H-Ti bridging position when bound to Cu1-(TiO2)34 or Cu7-(TiO2)34 or Cu-H-Cu when bound to Cu2-(TiO2)34 or Cu4-(TiO2)34. In Cun-(TiO2)34 with n = 3, 5, 6 the H atom sits in the three coordinate site, similar to that found for its favourable position while on Cu(111). The population analysis reveals that in the selected cases

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