介孔三金属铂钯钌球体作为优异的电催化剂。
Mesoporous Trimetallic PtPdRu Spheres as Superior Electrocatalysts.
作者信息
Jiang Bo, Ataee-Esfahani Hamed, Li Cuiling, Alshehri Saad M, Ahamad Tansir, Henzie Joel, Yamauchi Yusuke
机构信息
World Premier International (WPI) Research Center for Materials, Nanoarchitectonics (MANA) National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
Faculty of Science and Engineering, Waseda University 3-4-1 Okubo, Shinjuku, Tokyo, 169-8555, Japan.
出版信息
Chemistry. 2016 May 17;22(21):7174-8. doi: 10.1002/chem.201600774. Epub 2016 Apr 13.
Mesoporous Trimetallic PtPdRu Spheres with well-defined spherical morphology and uniformly sized pores were synthesized in an aqueous solution using ascorbic acid as the reducing agent and triblock copolymer F127 as the pore directing agent. These mesoporous PtPdRu spheres exhibited enhanced electrocatalytic activity compared to commercial Pt black, resulting in a ∼4.9 times improvement in mass activity for the methanol oxidation reaction. The excellent electrocatalytic activity and stability are due to the unique mesoporous architecture and electronic landscape between different elements.
采用抗坏血酸作为还原剂、三嵌段共聚物F127作为孔导向剂，在水溶液中合成了具有明确球形形态和均匀孔径的介孔三金属PtPdRu球体。与商业铂黑相比，这些介孔PtPdRu球体表现出增强的电催化活性，甲醇氧化反应的质量活性提高了约4.9倍。优异的电催化活性和稳定性归因于独特的介孔结构以及不同元素之间的电子环境。
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