Powder XRD and solid-state2H-NMR studies on RAP-protected palladium nanoparticle (RAP = Rubeanic-Acid Polymer)

M. Fujishima, M. Yamauchi, R. Ikeda, T. Kubo, K. Nakasuji, H. Kitagawa

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

This study reports hydrogen absorption property of newly-synthesized RAP (rubeanic-acid polymer)-protected palladium nanoparticle (RAP-Pd). From powder X-ray diffraction measurements, the lattice constant of Pd nanoparticle was revealed to increase by 0.11 Å under 600 Torr hydrogen gas condition at room temperature, indicating that the hydrogen absorption occurs in the Pd nanoparticle. Solid-state 2H-NMR spectrum under deuterium gas showed that three different components exist in RAP-Pd, which are derived from imino group, terminal amino group in the RAP and absorbed deuterium atom inside the Pd nanoparticle. This result gives an expectation of the hydrogen absorption in RAP itself.

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Palladium
Powders
palladium
Hydrogen
Polymers
Nuclear magnetic resonance
Nanoparticles
nanoparticles
nuclear magnetic resonance
acids
Acids
Deuterium
polymers
hydrogen
deuterium
Gases
gases
X ray powder diffraction
Lattice constants
solid state

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Powder XRD and solid-state2H-NMR studies on RAP-protected palladium nanoparticle (RAP = Rubeanic-Acid Polymer). / Fujishima, M.; Yamauchi, M.; Ikeda, R.; Kubo, T.; Nakasuji, K.; Kitagawa, H.

In: Solid State Phenomena, Vol. 111, 01.01.2006, p. 107-110.

Research output: Contribution to journalConference article

Fujishima, M. ; Yamauchi, M. ; Ikeda, R. ; Kubo, T. ; Nakasuji, K. ; Kitagawa, H. / Powder XRD and solid-state2H-NMR studies on RAP-protected palladium nanoparticle (RAP = Rubeanic-Acid Polymer). In: Solid State Phenomena. 2006 ; Vol. 111. pp. 107-110.
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AU - Fujishima, M.

AU - Yamauchi, M.

AU - Ikeda, R.

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AU - Nakasuji, K.

AU - Kitagawa, H.

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AB - This study reports hydrogen absorption property of newly-synthesized RAP (rubeanic-acid polymer)-protected palladium nanoparticle (RAP-Pd). From powder X-ray diffraction measurements, the lattice constant of Pd nanoparticle was revealed to increase by 0.11 Å under 600 Torr hydrogen gas condition at room temperature, indicating that the hydrogen absorption occurs in the Pd nanoparticle. Solid-state 2H-NMR spectrum under deuterium gas showed that three different components exist in RAP-Pd, which are derived from imino group, terminal amino group in the RAP and absorbed deuterium atom inside the Pd nanoparticle. This result gives an expectation of the hydrogen absorption in RAP itself.

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