Phase-Controlled Synthesis of Ru Supported on Carbon Nitride and the Application in Photocatalytic H2 Evolution DOI Open Access

Xiaohu Sun,

Xiangyang Cao,

Ganghua Zhou

и другие.

Materials, Год журнала: 2025, Номер 18(6), С. 1259 - 1259

Опубликована: Март 13, 2025

This work aims to explore the influence of crystal phase engineering on photocatalytic hydrogen evolution activity Ru/C3N4 systems. By precisely tuning combination Ru precursors and reducing solvents, we successfully synthesized co-catalysts with distinct phases (hcp fcc) integrated them C3N4. The experiments demonstrated that hcp-Ru/C3N4 achieved a significantly higher rate (24.23 μmol h−1) compared fcc-Ru/C3N4 (7.44 h−1), reaching approximately 42% Pt/C3N4 under same conditions. Photocurrent electrochemical impedance spectroscopy analyses revealed exhibited superior charge separation transfer efficiency. Moreover, Gibbs free energy calculations indicated adsorption hcp-Ru (ΔGH* = −0.14 eV) was closer optimal fcc-Ru (−0.32 eV), enhancing generation process. These findings highlight crystal-phase plays critical role in electronic structure catalytic properties Ru-based systems, offering insights for design highly efficient noble metal catalysts photocatalysis.

Язык: Английский

Phosphorus–nitrogen Co-doped 3D RuCo spheres on activated carbon cloth with enhanced electrocatalytic activity for hydrogen and oxygen evolution reactions DOI
Abdulwahab Salah,

Hong‐Da Ren,

Nabilah Al‐Ansi

и другие.

International Journal of Hydrogen Energy, Год журнала: 2025, Номер 122, С. 270 - 278

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

1
Phase-Controlled Synthesis of Ru Supported on Carbon Nitride and the Application in Photocatalytic H2 Evolution DOI Open Access

Xiaohu Sun,

Xiangyang Cao,

Ganghua Zhou

и другие.

Materials, Год журнала: 2025, Номер 18(6), С. 1259 - 1259

Опубликована: Март 13, 2025

This work aims to explore the influence of crystal phase engineering on photocatalytic hydrogen evolution activity Ru/C3N4 systems. By precisely tuning combination Ru precursors and reducing solvents, we successfully synthesized co-catalysts with distinct phases (hcp fcc) integrated them C3N4. The experiments demonstrated that hcp-Ru/C3N4 achieved a significantly higher rate (24.23 μmol h−1) compared fcc-Ru/C3N4 (7.44 h−1), reaching approximately 42% Pt/C3N4 under same conditions. Photocurrent electrochemical impedance spectroscopy analyses revealed exhibited superior charge separation transfer efficiency. Moreover, Gibbs free energy calculations indicated adsorption hcp-Ru (ΔGH* = −0.14 eV) was closer optimal fcc-Ru (−0.32 eV), enhancing generation process. These findings highlight crystal-phase plays critical role in electronic structure catalytic properties Ru-based systems, offering insights for design highly efficient noble metal catalysts photocatalysis.

Язык: Английский

Процитировано

0