On the nature of strong hydrogen atom trapping inside Pd nanoparticles

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

doi:10.1021/ja7102372

On the nature of strong hydrogen atom trapping inside Pd nanoparticles

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

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

156 Citations (Scopus)

Abstract

We have investigated the hydrogen absorption/desorption hysteresis by means of in situ powder X-ray diffraction (XRD) and solid-state ²H NMR to clarify the location of hydrogen, surface or body, and its chemical form, molecular, atomic, or as hydride. The present results point out that strongly trapped hydrogen atoms exist inside the Pd nanoparticles due to a strong Pd-H bond formation and are stabilized in the lattice of Pd nanoparticles, compared to bulk Pd.

Original language	English
Pages (from-to)	1828-1829
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	130
Issue number	6
DOIs	https://doi.org/10.1021/ja7102372
Publication status	Published - Feb 13 2008

All Science Journal Classification (ASJC) codes

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja7102372

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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/desorption hysteresis by means of in situ powder X-ray diffraction (XRD) and solid-state 2H NMR to clarify the location of hydrogen, surface or body, and its chemical form, molecular, atomic, or as hydride. The present results point out that strongly trapped hydrogen atoms exist inside the Pd nanoparticles due to a strong Pd-H bond formation and are stabilized in the lattice of Pd nanoparticles, compared to bulk Pd.

AB - We have investigated the hydrogen absorption/desorption hysteresis by means of in situ powder X-ray diffraction (XRD) and solid-state 2H NMR to clarify the location of hydrogen, surface or body, and its chemical form, molecular, atomic, or as hydride. The present results point out that strongly trapped hydrogen atoms exist inside the Pd nanoparticles due to a strong Pd-H bond formation and are stabilized in the lattice of Pd nanoparticles, compared to bulk Pd.

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JF - Journal of the American Chemical Society

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On the nature of strong hydrogen atom trapping inside Pd nanoparticles

Abstract

All Science Journal Classification (ASJC) codes

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