Influence of the nitrogen-doped carbon nanofibers on the catalytic properties of supported metal and oxide nanoparticles

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Influence of the nitrogen-doped carbon nanofibers on the catalytic properties of supported metal and oxide nanoparticles. / Podyacheva, Olga Yu; Lisitsyn, Alexander S.; Kibis, Lidiya S. et al.

In: Catalysis Today, Vol. 301, 01.03.2018, p. 125-133.

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

BibTeX

@article{d1983390a80448e3ba9bb45d6b0c2bea,

title = "Influence of the nitrogen-doped carbon nanofibers on the catalytic properties of supported metal and oxide nanoparticles",

abstract = "Catalysts containing platinum (1 and 10 wt.%) or cobalt oxide (10, 50 and 90 wt.%) and nitrogen doped carbon nanofibers (N-СNFs) were synthesized. X-ray photoelectron spectroscopy, CO chemisorption and temperature-programmed reduction methods were used to reveal that pyridine-like nitrogen of N-СNFs is involved in the anchoring of metal or oxide particles on the carbon surface and determines their size, electronic state and redox ability, thus changing the catalytic performance of the catalysts in the oxidation of carbon monoxide. Various models of particle stabilization on the surface of N-CNFs were proposed: (1) stabilization of nanoparticles with the retention of their metallic state by the pyridine-like site; (2) stabilization of electron deficient nanoparticles by a pair of pyridine-like nitrogen sites and (3) stabilization of electron deficient nanoparticles by the pyridine-like site near the carbon vacancy.",

keywords = "Carbon nanofibers, Catalysis, Nanoparticles, Nitrogen doped, PALLADIUM, ACTIVATION, SINGLE, DECOMPOSITION, NANOMATERIALS, CO OXIDATION, AUTOREDUCTION, HYDROGEN-PRODUCTION, NANOTUBES, OSCILLATIONS",

author = "Podyacheva, {Olga Yu} and Lisitsyn, {Alexander S.} and Kibis, {Lidiya S.} and Stadnichenko, {Andrei I.} and Boronin, {Andrei I.} and Slavinskaya, {Elena M.} and Stonkus, {Olga A.} and Yashnik, {Svetlana A.} and Ismagilov, {Zinfer R.}",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2018",

month = mar,

day = "1",

doi = "10.1016/j.cattod.2017.01.004",

language = "English",

volume = "301",

pages = "125--133",

journal = "Catalysis Today",

issn = "0920-5861",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Influence of the nitrogen-doped carbon nanofibers on the catalytic properties of supported metal and oxide nanoparticles

AU - Podyacheva, Olga Yu

AU - Lisitsyn, Alexander S.

AU - Kibis, Lidiya S.

AU - Stadnichenko, Andrei I.

AU - Boronin, Andrei I.

AU - Slavinskaya, Elena M.

AU - Stonkus, Olga A.

AU - Yashnik, Svetlana A.

AU - Ismagilov, Zinfer R.

PY - 2018/3/1

Y1 - 2018/3/1

N2 - Catalysts containing platinum (1 and 10 wt.%) or cobalt oxide (10, 50 and 90 wt.%) and nitrogen doped carbon nanofibers (N-СNFs) were synthesized. X-ray photoelectron spectroscopy, CO chemisorption and temperature-programmed reduction methods were used to reveal that pyridine-like nitrogen of N-СNFs is involved in the anchoring of metal or oxide particles on the carbon surface and determines their size, electronic state and redox ability, thus changing the catalytic performance of the catalysts in the oxidation of carbon monoxide. Various models of particle stabilization on the surface of N-CNFs were proposed: (1) stabilization of nanoparticles with the retention of their metallic state by the pyridine-like site; (2) stabilization of electron deficient nanoparticles by a pair of pyridine-like nitrogen sites and (3) stabilization of electron deficient nanoparticles by the pyridine-like site near the carbon vacancy.

AB - Catalysts containing platinum (1 and 10 wt.%) or cobalt oxide (10, 50 and 90 wt.%) and nitrogen doped carbon nanofibers (N-СNFs) were synthesized. X-ray photoelectron spectroscopy, CO chemisorption and temperature-programmed reduction methods were used to reveal that pyridine-like nitrogen of N-СNFs is involved in the anchoring of metal or oxide particles on the carbon surface and determines their size, electronic state and redox ability, thus changing the catalytic performance of the catalysts in the oxidation of carbon monoxide. Various models of particle stabilization on the surface of N-CNFs were proposed: (1) stabilization of nanoparticles with the retention of their metallic state by the pyridine-like site; (2) stabilization of electron deficient nanoparticles by a pair of pyridine-like nitrogen sites and (3) stabilization of electron deficient nanoparticles by the pyridine-like site near the carbon vacancy.

KW - Carbon nanofibers

KW - Catalysis

KW - Nanoparticles

KW - Nitrogen doped

KW - PALLADIUM

KW - ACTIVATION

KW - SINGLE

KW - DECOMPOSITION

KW - NANOMATERIALS

KW - CO OXIDATION

KW - AUTOREDUCTION

KW - HYDROGEN-PRODUCTION

KW - NANOTUBES

KW - OSCILLATIONS

UR - http://www.scopus.com/inward/record.url?scp=85009766179&partnerID=8YFLogxK

U2 - 10.1016/j.cattod.2017.01.004

DO - 10.1016/j.cattod.2017.01.004

M3 - Article

AN - SCOPUS:85009766179

VL - 301

SP - 125

EP - 133

JO - Catalysis Today

JF - Catalysis Today

SN - 0920-5861

ER -

ID: 9159507