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Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system. / Karnaukhov, Timofey M.; Vedyagin, Aleksey A.; Cherepanova, Svetlana V. et al.

In: Journal of Sol-Gel Science and Technology, Vol. 92, No. 1, 15.10.2019, p. 208-214.

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

Harvard

Karnaukhov, TM, Vedyagin, AA, Cherepanova, SV, Rogov, VA & Mishakov, IV 2019, 'Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system', Journal of Sol-Gel Science and Technology, vol. 92, no. 1, pp. 208-214. https://doi.org/10.1007/s10971-019-05076-2

APA

Karnaukhov, T. M., Vedyagin, A. A., Cherepanova, S. V., Rogov, V. A., & Mishakov, I. V. (2019). Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system. Journal of Sol-Gel Science and Technology, 92(1), 208-214. https://doi.org/10.1007/s10971-019-05076-2

Vancouver

Karnaukhov TM, Vedyagin AA, Cherepanova SV, Rogov VA, Mishakov IV. Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system. Journal of Sol-Gel Science and Technology. 2019 Oct 15;92(1):208-214. doi: 10.1007/s10971-019-05076-2

Author

Karnaukhov, Timofey M. ; Vedyagin, Aleksey A. ; Cherepanova, Svetlana V. et al. / Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system. In: Journal of Sol-Gel Science and Technology. 2019 ; Vol. 92, No. 1. pp. 208-214.

BibTeX

@article{53a74cbf92cd491ba49996089fa54a49,
title = "Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system",
abstract = "In this work, the binary Ni–Mg–O oxide system was prepared by means of a sol–gel technique, which provides high dispersity and uniform distribution of the nickel species within the MgO matrix. The samples were characterized by a scanning electron microscopy, a low-temperature nitrogen adsorption, and X-ray diffraction analysis. The reducibility of the prepared samples was tested in the reduction/oxidation cycles, thus modeling the conditions of a chemical looping. It was found that during the preparation procedure, a partial substitution of Mg2+ ions with Ni2+ ions resulting in formation of solid solution takes place. Reduction of the as-prepared sample in a temperature-programmed regime with heating up to 700 °C leads to decomposition of the solid solution and formation of dispersed particles of metallic nickel of 7 nm in size finely distributed within the MgO matrix. Subsequent oxidation transforms Ni0 species into NiO nanoparticles. Starting from the second reduction/oxidation cycle, the binary Ni–Mg–O system shows the reproducible behavior, and thus can be considered as a chemical looping agent.",
keywords = "Characterization, Doping, Nanostructured MgO, Nickel oxide, Reducibility, MIXED OXIDES, CATALYST, GENESIS, RADIATION, HYDROGEN REDUCIBILITY, REDUCTION, KINETICS, GAS, PYROLYSIS",
author = "Karnaukhov, {Timofey M.} and Vedyagin, {Aleksey A.} and Cherepanova, {Svetlana V.} and Rogov, {Vladimir A.} and Mishakov, {Ilya V.}",
year = "2019",
month = oct,
day = "15",
doi = "10.1007/s10971-019-05076-2",
language = "English",
volume = "92",
pages = "208--214",
journal = "Journal of Sol-Gel Science and Technology",
issn = "0928-0707",
publisher = "Springer Nature",
number = "1",

}

RIS

TY - JOUR

T1 - Sol–gel synthesis and characterization of the binary Ni–Mg–O oxide system

AU - Karnaukhov, Timofey M.

AU - Vedyagin, Aleksey A.

AU - Cherepanova, Svetlana V.

AU - Rogov, Vladimir A.

AU - Mishakov, Ilya V.

PY - 2019/10/15

Y1 - 2019/10/15

N2 - In this work, the binary Ni–Mg–O oxide system was prepared by means of a sol–gel technique, which provides high dispersity and uniform distribution of the nickel species within the MgO matrix. The samples were characterized by a scanning electron microscopy, a low-temperature nitrogen adsorption, and X-ray diffraction analysis. The reducibility of the prepared samples was tested in the reduction/oxidation cycles, thus modeling the conditions of a chemical looping. It was found that during the preparation procedure, a partial substitution of Mg2+ ions with Ni2+ ions resulting in formation of solid solution takes place. Reduction of the as-prepared sample in a temperature-programmed regime with heating up to 700 °C leads to decomposition of the solid solution and formation of dispersed particles of metallic nickel of 7 nm in size finely distributed within the MgO matrix. Subsequent oxidation transforms Ni0 species into NiO nanoparticles. Starting from the second reduction/oxidation cycle, the binary Ni–Mg–O system shows the reproducible behavior, and thus can be considered as a chemical looping agent.

AB - In this work, the binary Ni–Mg–O oxide system was prepared by means of a sol–gel technique, which provides high dispersity and uniform distribution of the nickel species within the MgO matrix. The samples were characterized by a scanning electron microscopy, a low-temperature nitrogen adsorption, and X-ray diffraction analysis. The reducibility of the prepared samples was tested in the reduction/oxidation cycles, thus modeling the conditions of a chemical looping. It was found that during the preparation procedure, a partial substitution of Mg2+ ions with Ni2+ ions resulting in formation of solid solution takes place. Reduction of the as-prepared sample in a temperature-programmed regime with heating up to 700 °C leads to decomposition of the solid solution and formation of dispersed particles of metallic nickel of 7 nm in size finely distributed within the MgO matrix. Subsequent oxidation transforms Ni0 species into NiO nanoparticles. Starting from the second reduction/oxidation cycle, the binary Ni–Mg–O system shows the reproducible behavior, and thus can be considered as a chemical looping agent.

KW - Characterization

KW - Doping

KW - Nanostructured MgO

KW - Nickel oxide

KW - Reducibility

KW - MIXED OXIDES

KW - CATALYST

KW - GENESIS

KW - RADIATION

KW - HYDROGEN REDUCIBILITY

KW - REDUCTION

KW - KINETICS

KW - GAS

KW - PYROLYSIS

UR - http://www.scopus.com/inward/record.url?scp=85068998591&partnerID=8YFLogxK

U2 - 10.1007/s10971-019-05076-2

DO - 10.1007/s10971-019-05076-2

M3 - Article

AN - SCOPUS:85068998591

VL - 92

SP - 208

EP - 214

JO - Journal of Sol-Gel Science and Technology

JF - Journal of Sol-Gel Science and Technology

SN - 0928-0707

IS - 1

ER -

ID: 20836949