High performance PtRulr catalysts supported on carbon nanotubes for the anodic oxidation of methanol
High performance PtRulr catalysts supported on carbon nanotubes for the anodic oxidation of methanol
复制标题
DOI：
10.1021/ja0578653
复制
发表时间：
2006-03-22
影响因子：
15
通讯作者：
Birss, VI
中科院分区：
文献类型：
--
作者：
Liao, SJ;Holmes, KA;Birss, VI
我们报告了使用有机胶体合成方法形成新的PtRuIr催化剂，其中丙酮作为溶剂，乙二醇作为还原剂，柠檬酸盐作为络合剂和稳定剂，多壁碳纳米管（CNT，直径8 - 10 nm）作为载体。该催化剂具有非常高的真实的表面积，并且对于甲醇的氧化具有高活性，这与燃料电池应用有关。Pt（111）的XRD特征峰分裂为四个峰，峰间距向大峰方向移动，反映了金属组分的高度分散。
We report the formation of a new PtRuIr catalyst using an organic colloid synthesis method, involving acetone as the solvent, ethylene glycol as the reducing agent, citrate as a complexing agent and stabilizer, and multiwall carbon nanotubes (CNT, diameter 8−10 nm) as the support. This catalyst has a very high real surface area and is highly active toward the oxidation of methanol, relevant to fuel cell applications. The Ir component appears to act as a promoter, and the splitting of the Pt(111) XRD feature into four peaks and the shift to largerdspacing reflect the high dispersion of the metallic components.