Forest of Pt–Au–Ag tri-metallic nanodendrites as an efficient electrocatalyst for methanol oxidation reaction

Tran Ngoc Huan (1, 2) , Dipak V. Shinde (1, 2) , Saetbyeol Kim (1, 2) , Sung-Hwan Han (1, 2) , Vincent Artero (3) , Hoeil Chung (1, 2)

1 Department of Chemistry, Hanyang University.
2 Seoul National University College of Natural Sciences
3 LCBM - UMR 5249 - Laboratoire de Chimie et Biologie des Métaux

Forests of trimetallic nanodendrites composed of Pt, Au, and Ag have been synthesized and their catalytic performances with regard to the methanol oxidation reaction (MOR) were evaluated. Analysis based on elemental mapping revealed homogeneous incorporation of Pt, Au, and Ag throughout the nanodendrite and single crystalline structure. These materials proved active for MOR, with improved electrocatalytic performances with regards to Pt in terms of both overpotential and stability.

Domaines: Chimie; Catalyse; Matériaux

Tran Ngoc Huan, Dipak V. Shinde, Saetbyeol Kim, Sung-Hwan Han, Vincent Artero, et al.. Forest of Pt–Au–Ag tri-metallic nanodendrites as an efficient electrocatalyst for methanol oxidation reaction. RSC Advances, 2015, 5 (9), pp.6940-6944. ⟨10.1039/c4ra10205c⟩. ⟨hal-01166856⟩