JETP Letters

, volume 88 , issue 3 , pages 178-182

Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0

A.G. Lipson ^{1, 2}

E. I. Saunin ¹

B. F. Lyakhov ¹

A. Yu. Tsivadze ¹

Hide authors affiliations Show authors affiliations: 2 affiliations

Frumkin Institute of Physical Chemistry and electrochemistry, Russian Academy of Sciences, Moscow, Russia |

Department of Nuclear Plasma and Radiological Engineering, University of Illinois, Urbana, USA |

Publication type: Journal Article

Publication date: 2008-10-20

Pleiades Publishing

JETP Letters

scimago Q3

wos Q3

SJR: 0.312

CiteScore: 2.3

Impact factor: 1.3

ISSN: 00213640, 10906487

DOI: 10.1134/S0021364008150071

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Physics and Astronomy (miscellaneous)

Abstract

The nature of paramagnetic centers in a nanostructure based on single-walled carbon nanotubes (SWCNTs) encapsulated with Pd was studied by EPR spectroscopy at 77 and 293 K. It was found that strong charge-transfer π complexes of the (Pd-Cx) type, which manifested themselves as a narrow resonance (ΔH = 6–8 G and g = 2.002 at T = 77 k), were formed in the Pd-SWCNT composite along with impurity centers (Fe3O4 nanoparticles within the nanotubes), which were responsible for a broad EPR signal (ΔH = 75 G and g = 2.065 at T = 293 K). These complexes were found to be predominant adsorption sites responsible for a high gravimetric density of hydrogen (H/C ≥ 1.0) within the single-walled carbon nanotubes.

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Lipson A. et al. Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0 // JETP Letters. 2008. Vol. 88. No. 3. pp. 178-182.

GOST all authors (up to 50) Copy

Lipson A., Saunin E. I., Lyakhov B. F., Tsivadze A. Y. Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0 // JETP Letters. 2008. Vol. 88. No. 3. pp. 178-182.

RIS |

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TY - JOUR

DO - 10.1134/S0021364008150071

UR - http://link.springer.com/10.1134/S0021364008150071

TI - Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0

T2 - JETP Letters

AU - Lipson, A.G.

AU - Saunin, E. I.

AU - Lyakhov, B. F.

AU - Tsivadze, A. Yu.

PY - 2008

DA - 2008/10/20

PB - Pleiades Publishing

SP - 178-182

IS - 3

VL - 88

SN - 0021-3640

SN - 1090-6487

ER -

BibTex |

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@article{2008_Lipson,

author = {A.G. Lipson and E. I. Saunin and B. F. Lyakhov and A. Yu. Tsivadze},

title = {Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0},

journal = {JETP Letters},

year = {2008},

volume = {88},

publisher = {Pleiades Publishing},

month = {oct},

url = {http://link.springer.com/10.1134/S0021364008150071},

number = {3},

pages = {178--182},

doi = {10.1134/S0021364008150071}

}

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Lipson, A.G., et al. “Paramagnetic centers in single-walled carbon nanotubes encapsulated with palladium and their interaction with hydrogen at H/C ≥ 1.0.” JETP Letters, vol. 88, no. 3, Oct. 2008, pp. 178-182. http://link.springer.com/10.1134/S0021364008150071.