Hydrogen absorption in the core/shell interface of Pd/Pt nanoparticles

被引：132

作者：

Kobayashi, Hirokazu ^{[1
]}

Yamauchi, Miho ^{[1
,2
]}

Kitagawa, Hiroshi ^{[1
,3
]}

Kubota, Yoshiki ^{[4
]}

Kato, Kenichi ^{[5
]}

Takata, Masaki ^{[5
]}

机构：

[1] Kyushu Univ, Fac Sci, Dept Chem, Fukuoka 8128581, Japan

[2] JST, PRESTO, Chiyoda Ku, Tokyo 1020075, Japan

[3] JST, CREST, Chiyoda Ku, Tokyo 1020075, Japan

[4] Osaka Prefecture Univ, Grad Sch Sci, Dept Phys Sci, Osaka 5998531, Japan

[5] RIKEN, SPring 8 Ctr, Mikazuki, Hyogo 6795148, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 06期

关键词：

D O I：

10.1021/ja078126k

中图分类号：

O6 [化学];

学科分类号：

0703 [化学];

摘要：

We have investigated the hydrogen absorption behavior of Pd/Pt nanoparticles with a core/shell-type structure. From the results of the hydrogen pressure-composition (PC) isotherm and solid-state H-2 NMR measurements, it was revealed that the Pd/Pt nanoparticles can absorb hydrogen, and most of the absorbed hydrogen atoms are situated around the interfacial region between the Pd core and the Pt shell of the Pd/Pt nanoparticles, indicating that the core/shell boundary plays an important role in the formation of the hydride phase of the Pd/Pt nanoparficles.

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页码：1818 / +

页数：3

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