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Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene. / Chesnokov, V. V.; Kriventsov, V. V.; Malykhin, S. E. et al.

In: Diamond and Related Materials, Vol. 89, 01.10.2018, p. 67-73.

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

Harvard

Chesnokov, VV, Kriventsov, VV, Malykhin, SE, Svintsitskiy, DA, Podyacheva, OY, Lisitsyn, AS & Richards, RM 2018, 'Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene', Diamond and Related Materials, vol. 89, pp. 67-73. https://doi.org/10.1016/j.diamond.2018.08.007

APA

Chesnokov, V. V., Kriventsov, V. V., Malykhin, S. E., Svintsitskiy, D. A., Podyacheva, O. Y., Lisitsyn, A. S., & Richards, R. M. (2018). Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene. Diamond and Related Materials, 89, 67-73. https://doi.org/10.1016/j.diamond.2018.08.007

Vancouver

Chesnokov VV, Kriventsov VV, Malykhin SE, Svintsitskiy DA, Podyacheva OY, Lisitsyn AS et al. Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene. Diamond and Related Materials. 2018 Oct 1;89:67-73. doi: 10.1016/j.diamond.2018.08.007

Author

Chesnokov, V. V. ; Kriventsov, V. V. ; Malykhin, S. E. et al. / Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene. In: Diamond and Related Materials. 2018 ; Vol. 89. pp. 67-73.

BibTeX

@article{2419e2f0c4fe4b088a661c5102e5146a,
title = "Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene",
abstract = "The nature of the active sites for palladium supported on nitrogen doped carbon nanofibers (Pd/N-CNFs) catalysts for selective hydrogenation of acetylene to ethylene was examined. Palladium concentrations of 0.05–0.6 wt% were deposited on carbon nanofibers doped by nitrogen atoms (N-CNFs) and characterized by transmission electron microscopy (TEM), CO chemisorption, X-ray photoelectron spectroscopy (XPS), Extended X-ray Absorption Fine Structure (EXAFS) and quantum-chemical calculations. The data indicates that the Pd initially forms highly-dispersed particles. However, decreasing of the Pd concentration on the carbon nanofibers doped by nitrogen atoms below 0.15 wt% led to stabilization of the metal in the atomic state. Porphyrin-like defects with four nitrogen atoms are formed on the surface of the CNFs and strongly interact with palladium atoms, and thus can be sites for stabilization of atomic Pd. The catalytic activity and selectivity of Pd/N-CNFs catalysts depend on the ratio of these two palladium states.",
author = "Chesnokov, {V. V.} and Kriventsov, {V. V.} and Malykhin, {S. E.} and Svintsitskiy, {D. A.} and Podyacheva, {O. Yu} and Lisitsyn, {A. S.} and Richards, {Ryan M.}",
note = "Publisher Copyright: {\textcopyright} 2018 Elsevier B.V.",
year = "2018",
month = oct,
day = "1",
doi = "10.1016/j.diamond.2018.08.007",
language = "English",
volume = "89",
pages = "67--73",
journal = "Diamond and Related Materials",
issn = "0925-9635",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Nature of active palladium sites on nitrogen doped carbon nanofibers in selective hydrogenation of acetylene

AU - Chesnokov, V. V.

AU - Kriventsov, V. V.

AU - Malykhin, S. E.

AU - Svintsitskiy, D. A.

AU - Podyacheva, O. Yu

AU - Lisitsyn, A. S.

AU - Richards, Ryan M.

N1 - Publisher Copyright: © 2018 Elsevier B.V.

PY - 2018/10/1

Y1 - 2018/10/1

N2 - The nature of the active sites for palladium supported on nitrogen doped carbon nanofibers (Pd/N-CNFs) catalysts for selective hydrogenation of acetylene to ethylene was examined. Palladium concentrations of 0.05–0.6 wt% were deposited on carbon nanofibers doped by nitrogen atoms (N-CNFs) and characterized by transmission electron microscopy (TEM), CO chemisorption, X-ray photoelectron spectroscopy (XPS), Extended X-ray Absorption Fine Structure (EXAFS) and quantum-chemical calculations. The data indicates that the Pd initially forms highly-dispersed particles. However, decreasing of the Pd concentration on the carbon nanofibers doped by nitrogen atoms below 0.15 wt% led to stabilization of the metal in the atomic state. Porphyrin-like defects with four nitrogen atoms are formed on the surface of the CNFs and strongly interact with palladium atoms, and thus can be sites for stabilization of atomic Pd. The catalytic activity and selectivity of Pd/N-CNFs catalysts depend on the ratio of these two palladium states.

AB - The nature of the active sites for palladium supported on nitrogen doped carbon nanofibers (Pd/N-CNFs) catalysts for selective hydrogenation of acetylene to ethylene was examined. Palladium concentrations of 0.05–0.6 wt% were deposited on carbon nanofibers doped by nitrogen atoms (N-CNFs) and characterized by transmission electron microscopy (TEM), CO chemisorption, X-ray photoelectron spectroscopy (XPS), Extended X-ray Absorption Fine Structure (EXAFS) and quantum-chemical calculations. The data indicates that the Pd initially forms highly-dispersed particles. However, decreasing of the Pd concentration on the carbon nanofibers doped by nitrogen atoms below 0.15 wt% led to stabilization of the metal in the atomic state. Porphyrin-like defects with four nitrogen atoms are formed on the surface of the CNFs and strongly interact with palladium atoms, and thus can be sites for stabilization of atomic Pd. The catalytic activity and selectivity of Pd/N-CNFs catalysts depend on the ratio of these two palladium states.

UR - http://www.scopus.com/inward/record.url?scp=85051671764&partnerID=8YFLogxK

U2 - 10.1016/j.diamond.2018.08.007

DO - 10.1016/j.diamond.2018.08.007

M3 - Article

AN - SCOPUS:85051671764

VL - 89

SP - 67

EP - 73

JO - Diamond and Related Materials

JF - Diamond and Related Materials

SN - 0925-9635

ER -

ID: 16082076