Characterization of surface composition of platinum and ruthenium nanoalloys dispersed on active carbon.

Characterization of surface composition of platinum and ruthenium nanoalloys dispersed on active carbon.
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DOI：
10.1021/jp054870k
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发表时间：
2006-01
期刊：
The journal of physical chemistry. B
影响因子：
--
通讯作者：
Sheng-yang Huang;Shucheng Chang;C. Yeh
Sheng-yang Huang;Shucheng Chang;C. Yeh
中科院分区：
其他
文献类型：
--
作者：
Sheng-yang Huang;Shucheng Chang;C. Yeh

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采用等湿浸渍法制备了8wt%的单金属Pt/C、Ru/C和12wt%的双金属Pt50Ru50/C的负载型样品。浸渍的样品随后用氢气还原，然后在不同的温度下在空气中氧化。透射电子显微镜和X射线衍射仪测试表明，金属微晶均匀分散，平均粒径为380K。
Supported samples of 8 wt % monometallic Pt/C and Ru/C, as well as 12 wt % bimetallic Pt50Ru50/C, were prepared by the method of incipient wetness impregnation. Impregnated samples were subsequently reduced by hydrogen and then oxidized in air at different To temperatures. TEM and XRD examinations indicated that metal crystallites were finely dispersed with a diameter of dM 380 K.