《Hollow PtCu nanorings with high performance for the methanol oxidation reaction and their enhanced durability by using trace Ir》 was written by Shi, Yan; Fang, Yan; Zhang, Genlei; Wang, Xianshun; Cui, Peng; Wang, Qi; Wang, Yuxin. Reference of Bis(acetylacetone)copper And the article was included in Journal of Materials Chemistry A: Materials for Energy and Sustainability in 2020. The article conveys some information:
Platinum-copper (PtCu) alloy nanostructures represent an emerging class of electrocatalysts for the methanol oxidation reaction (MOR) in direct methanol fuel cells (DMFCs), but practical applications have been limited by catalytic activity and durability. In this study, an efficient one-pot hydrothermal strategy is developed to prepare unique PtCu alloy nanorings (NRs) with a highly open hollow structure. The formation process of the hollow NR structure includes the initial formation of pure solid Cu nanocrystals (NCs), the subsequent galvanic replacement reaction between Cu and Pt2+, and the co-deposition of Pt and Cu atoms at the edges. The r-Pt0.75Cu/C catalyst, i.e., Pt0.75Cu NRs with an input Pt/Cu molar ratio of 0.75/1 supported on carbon black exhibited superior MOR performance, with a mass activity of 2.175 A mgPt-1 and a specific activity of 52.26 A m-2, which are 4.5- and 6.6-fold enhancements relative to those of com. PtRu/C-JM, resp. Impressively, the durability of Pt0.75Cu NRs for the MOR can be enhanced dramatically by doping with trace Ir. The mass activity loss of r-Pt0.75Ir0.05Cu/C, i.e., Ir-doped Pt0.75Cu NRs supported on carbon black, was only 7.44%, much smaller than those of r-Pt0.75Cu/C (37.76%) and PtRu/C-JM (50.27%) after 10 000 CV cycles. This work provides a strategic design of efficient PtCu catalysts for the MOR. The experimental process involved the reaction of Bis(acetylacetone)copper(cas: 13395-16-9Reference of Bis(acetylacetone)copper)
Bis(acetylacetone)copper(cas: 13395-16-9) catalyzes coupling and carbene transfer reactions. Metal acetylacetonates are used as catalysts for polymerization of olefins and transesterification. Reference of Bis(acetylacetone)copper
Referemce:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”