Structure and Electrochemical Properties of Carbon Nanotubes Synthesized with Catalysts Obtained by Decomposition of Co, Ni, and Fe Polyoxomolybdates Supported by MgO

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Structure and Electrochemical Properties of Carbon Nanotubes Synthesized with Catalysts Obtained by Decomposition of Co, Ni, and Fe Polyoxomolybdates Supported by MgO. / Lobiak, E. V.; Bulusheva, L. G.; Galitsky, A. A. et al.

In: Journal of Structural Chemistry, Vol. 59, No. 4, 01.07.2018, p. 786-792.

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

BibTeX

@article{138f96a70b9f4f9d98c1a650dc4233f6,

title = "Structure and Electrochemical Properties of Carbon Nanotubes Synthesized with Catalysts Obtained by Decomposition of Co, Ni, and Fe Polyoxomolybdates Supported by MgO",

abstract = "Carbon nanotubes (CNTs) were synthesized by thermal decomposition of methane at 900 °C using Co–Mo/MgO, Fe–Mo/MgO, and Ni–Mo/MgO catalysts. To obtain metallic nanoparticles, polyoxomolybdate clusters of Co, Ni, and Fe deposited on MgO were thermally decomposed at 700 °С, and the obtained oxides were heated in a carbon-containing atmosphere. The method of transmission electron microscopy (TEM) testified formation of one to ten walled CNTs with the average outer diameter depending on the catalyst used. Raman spectroscopy data confirmed the presence of single-walled CNTs in the samples obtained with Co–Mo/MgO and Fe–Mo/MgO catalysts. The electrochemical properties demonstrated by the obtained materials in supercapacitors are shown to be functions of their structural and compositional features.",

keywords = "carbon nanotubes, CCVD synthesis, Fe, Ni, polyoxomolybdates of Co, supercapacitor, CHEMICAL-VAPOR-DEPOSITION, PERFORMANCE, RAMAN-SPECTROSCOPY, NANOPARTICLES, CCVD, DIAMETER, METHANE, GROWTH, SPECTRA, MO/MGO",

author = "Lobiak, {E. V.} and Bulusheva, {L. G.} and Galitsky, {A. A.} and Smirnov, {D. A.} and E. Flahaut and Okotrub, {A. V.}",

note = "Publisher Copyright: {\textcopyright} 2018, Pleiades Publishing, Ltd.",

year = "2018",

month = jul,

day = "1",

doi = "10.1134/S0022476618040066",

language = "English",

volume = "59",

pages = "786--792",

journal = "Journal of Structural Chemistry",

issn = "0022-4766",

publisher = "Springer GmbH & Co, Auslieferungs-Gesellschaf",

number = "4",

}

RIS

TY - JOUR

T1 - Structure and Electrochemical Properties of Carbon Nanotubes Synthesized with Catalysts Obtained by Decomposition of Co, Ni, and Fe Polyoxomolybdates Supported by MgO

AU - Lobiak, E. V.

AU - Bulusheva, L. G.

AU - Galitsky, A. A.

AU - Smirnov, D. A.

AU - Flahaut, E.

AU - Okotrub, A. V.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - Carbon nanotubes (CNTs) were synthesized by thermal decomposition of methane at 900 °C using Co–Mo/MgO, Fe–Mo/MgO, and Ni–Mo/MgO catalysts. To obtain metallic nanoparticles, polyoxomolybdate clusters of Co, Ni, and Fe deposited on MgO were thermally decomposed at 700 °С, and the obtained oxides were heated in a carbon-containing atmosphere. The method of transmission electron microscopy (TEM) testified formation of one to ten walled CNTs with the average outer diameter depending on the catalyst used. Raman spectroscopy data confirmed the presence of single-walled CNTs in the samples obtained with Co–Mo/MgO and Fe–Mo/MgO catalysts. The electrochemical properties demonstrated by the obtained materials in supercapacitors are shown to be functions of their structural and compositional features.

AB - Carbon nanotubes (CNTs) were synthesized by thermal decomposition of methane at 900 °C using Co–Mo/MgO, Fe–Mo/MgO, and Ni–Mo/MgO catalysts. To obtain metallic nanoparticles, polyoxomolybdate clusters of Co, Ni, and Fe deposited on MgO were thermally decomposed at 700 °С, and the obtained oxides were heated in a carbon-containing atmosphere. The method of transmission electron microscopy (TEM) testified formation of one to ten walled CNTs with the average outer diameter depending on the catalyst used. Raman spectroscopy data confirmed the presence of single-walled CNTs in the samples obtained with Co–Mo/MgO and Fe–Mo/MgO catalysts. The electrochemical properties demonstrated by the obtained materials in supercapacitors are shown to be functions of their structural and compositional features.

KW - carbon nanotubes

KW - CCVD synthesis

KW - Fe

KW - Ni

KW - polyoxomolybdates of Co

KW - supercapacitor

KW - CHEMICAL-VAPOR-DEPOSITION

KW - PERFORMANCE

KW - RAMAN-SPECTROSCOPY

KW - NANOPARTICLES

KW - CCVD

KW - DIAMETER

KW - METHANE

KW - GROWTH

KW - SPECTRA

KW - MO/MGO

UR - http://www.scopus.com/inward/record.url?scp=85053925429&partnerID=8YFLogxK

U2 - 10.1134/S0022476618040066

DO - 10.1134/S0022476618040066

M3 - Article

AN - SCOPUS:85053925429

VL - 59

SP - 786

EP - 792

JO - Journal of Structural Chemistry

JF - Journal of Structural Chemistry

SN - 0022-4766

IS - 4

ER -

ID: 16735474