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

Hirokazu Kobayashi; Miho Yamauchi; Hiroshi Kitagawa; Yoshiki Kubota; Kenichi Kato; Masaki Takata

doi:10.1021/ja078126k

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

Hirokazu Kobayashi, Miho Yamauchi, Hiroshi Kitagawa, Yoshiki Kubota, Kenichi Kato, Masaki Takata

Research output: Contribution to journal › Article › peer-review

129 Citations (Scopus)

Abstract

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 ²H 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 nanoparticles.

Original language	English
Pages (from-to)	1818-1819
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	6
DOIs	https://doi.org/10.1021/ja078126k
Publication status	Published - 2008 Feb 13

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AU - Kobayashi, Hirokazu

AU - Yamauchi, Miho

AU - Kitagawa, Hiroshi

AU - Kubota, Yoshiki

AU - Kato, Kenichi

AU - Takata, Masaki

PY - 2008/2/13

Y1 - 2008/2/13

N2 - 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 2H 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 nanoparticles.

AB - 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 2H 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 nanoparticles.

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

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