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Trimetallic PtCoFe Alloy Monolayer Superlattices as Bifunctional Oxygen‐Reduction and Ethanol‐Oxidation Electrocatalysts |
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| Authors: | Muhammad Aurang Zeb Gul Sial Haifeng Lin Muhammad Zulfiqar Shaheed Ullah Bing Ni Xun Wang |
| Affiliation: | 1. Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, China;2. State Key Laboratory of Low‐Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing, P. R. China |
| Abstract: | A synthesis strategy for the preparation of trimetallic PtCoFe alloy nanoparticle superlattices is reported. Trimetallic PtCoFe alloy monolayer array of nanoparticle superlattices with a large density of high index facets and platinum‐rich surface are successfully prepared by coreduction of metal precursors in formamide solvent. The concentration of cetyl trimethyl ammonium bromide plays a vital role for the formation of a monolayer array of nanoparticle superlattices, while the size of nanoparticles is determined by NaI. The prepared monolayer array of nanoparticle superlattices is the superior catalyst for oxygen reduction reaction as well as for ethanol oxidation owing to their specific structural and compositional characteristics. |
| Keywords: | oxygen reduction reaction self‐assembled superlattices trimetallic nanoparticles |