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Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions. / Plyusnin, Pavel E.; Slavinskaya, Elena M.; Kenzhin, Roman M. et al.

In: Reaction Kinetics, Mechanisms and Catalysis, Vol. 127, No. 1, 15.06.2019, p. 69-83.

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

Harvard

Plyusnin, PE, Slavinskaya, EM, Kenzhin, RM, Kirilovich, AK, Makotchenko, EV, Stonkus, OA, Shubin, YV & Vedyagin, AA 2019, 'Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions', Reaction Kinetics, Mechanisms and Catalysis, vol. 127, no. 1, pp. 69-83. https://doi.org/10.1007/s11144-019-01545-5

APA

Plyusnin, P. E., Slavinskaya, E. M., Kenzhin, R. M., Kirilovich, A. K., Makotchenko, E. V., Stonkus, O. A., Shubin, Y. V., & Vedyagin, A. A. (2019). Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions. Reaction Kinetics, Mechanisms and Catalysis, 127(1), 69-83. https://doi.org/10.1007/s11144-019-01545-5

Vancouver

Plyusnin PE, Slavinskaya EM, Kenzhin RM, Kirilovich AK, Makotchenko EV, Stonkus OA et al. Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions. Reaction Kinetics, Mechanisms and Catalysis. 2019 Jun 15;127(1):69-83. doi: 10.1007/s11144-019-01545-5

Author

Plyusnin, Pavel E. ; Slavinskaya, Elena M. ; Kenzhin, Roman M. et al. / Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions. In: Reaction Kinetics, Mechanisms and Catalysis. 2019 ; Vol. 127, No. 1. pp. 69-83.

BibTeX

@article{a1161efbc39e4c07a5c0c5f6040743fb,
title = "Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions",
abstract = "In the present work, ceria-supported Au–Pt catalyst with metal ratio 3:2 was prepared using a “single-source precursor” concept. The double complex salt [AuEn2]2[Pt(NO2)4]3·6H2O was used as such precursor. CeO2 of unique morphology with developed surface area (120 m2/g) obtained by urea precipitation technique was used as a support. According to XRD data, size of the alloyed Au–Pt particles was estimated to be less than 3 nm. It was shown that bimetallic Au–Pt system intensifies release of oxygen from the CeO2 lattice. The 0.5%Au2Pt3/CeO2 catalyst was comparatively studied in low temperature CO oxidation (simplified model reaction mixture) and under prompt thermal aging conditions (complex reaction mixture) with regard to monometallic reference samples 0.2%Au/CeO2 and 0.3%Pt/CeO2. The catalytic performance of the samples was found to be significantly dependent on the reaction and pre-treatment conditions. In the case of the bimetallic catalyst, reversible redistribution and enrichment of the nanoparticle surface with Pt or Au were shown to be the key factor defining the activity.",
keywords = "Bimetallic AuPt alloys, CO oxidation, Double complex salt, Preparation, Thermal stability, GOLD, PERFORMANCE, PD-RH CATALYSTS, METAL-SUPPORT INTERACTION, ALLOY NANOPARTICLES, PT/CEO2 CATALYSTS, ALUMINA, TEMPERATURE, CARBON-MONOXIDE, MOLECULARLY CHEMISORBED OXYGEN",
author = "Plyusnin, {Pavel E.} and Slavinskaya, {Elena M.} and Kenzhin, {Roman M.} and Kirilovich, {Anastasiya K.} and Makotchenko, {Evgeniya V.} and Stonkus, {Olga A.} and Shubin, {Yury V.} and Vedyagin, {Aleksey A.}",
year = "2019",
month = jun,
day = "15",
doi = "10.1007/s11144-019-01545-5",
language = "English",
volume = "127",
pages = "69--83",
journal = "Reaction Kinetics, Mechanisms and Catalysis",
issn = "1878-5190",
publisher = "Springer Netherlands",
number = "1",

}

RIS

TY - JOUR

T1 - Synthesis of bimetallic AuPt/CeO2 catalysts and their comparative study in CO oxidation under different reaction conditions

AU - Plyusnin, Pavel E.

AU - Slavinskaya, Elena M.

AU - Kenzhin, Roman M.

AU - Kirilovich, Anastasiya K.

AU - Makotchenko, Evgeniya V.

AU - Stonkus, Olga A.

AU - Shubin, Yury V.

AU - Vedyagin, Aleksey A.

PY - 2019/6/15

Y1 - 2019/6/15

N2 - In the present work, ceria-supported Au–Pt catalyst with metal ratio 3:2 was prepared using a “single-source precursor” concept. The double complex salt [AuEn2]2[Pt(NO2)4]3·6H2O was used as such precursor. CeO2 of unique morphology with developed surface area (120 m2/g) obtained by urea precipitation technique was used as a support. According to XRD data, size of the alloyed Au–Pt particles was estimated to be less than 3 nm. It was shown that bimetallic Au–Pt system intensifies release of oxygen from the CeO2 lattice. The 0.5%Au2Pt3/CeO2 catalyst was comparatively studied in low temperature CO oxidation (simplified model reaction mixture) and under prompt thermal aging conditions (complex reaction mixture) with regard to monometallic reference samples 0.2%Au/CeO2 and 0.3%Pt/CeO2. The catalytic performance of the samples was found to be significantly dependent on the reaction and pre-treatment conditions. In the case of the bimetallic catalyst, reversible redistribution and enrichment of the nanoparticle surface with Pt or Au were shown to be the key factor defining the activity.

AB - In the present work, ceria-supported Au–Pt catalyst with metal ratio 3:2 was prepared using a “single-source precursor” concept. The double complex salt [AuEn2]2[Pt(NO2)4]3·6H2O was used as such precursor. CeO2 of unique morphology with developed surface area (120 m2/g) obtained by urea precipitation technique was used as a support. According to XRD data, size of the alloyed Au–Pt particles was estimated to be less than 3 nm. It was shown that bimetallic Au–Pt system intensifies release of oxygen from the CeO2 lattice. The 0.5%Au2Pt3/CeO2 catalyst was comparatively studied in low temperature CO oxidation (simplified model reaction mixture) and under prompt thermal aging conditions (complex reaction mixture) with regard to monometallic reference samples 0.2%Au/CeO2 and 0.3%Pt/CeO2. The catalytic performance of the samples was found to be significantly dependent on the reaction and pre-treatment conditions. In the case of the bimetallic catalyst, reversible redistribution and enrichment of the nanoparticle surface with Pt or Au were shown to be the key factor defining the activity.

KW - Bimetallic AuPt alloys

KW - CO oxidation

KW - Double complex salt

KW - Preparation

KW - Thermal stability

KW - GOLD

KW - PERFORMANCE

KW - PD-RH CATALYSTS

KW - METAL-SUPPORT INTERACTION

KW - ALLOY NANOPARTICLES

KW - PT/CEO2 CATALYSTS

KW - ALUMINA

KW - TEMPERATURE

KW - CARBON-MONOXIDE

KW - MOLECULARLY CHEMISORBED OXYGEN

UR - http://www.scopus.com/inward/record.url?scp=85060945255&partnerID=8YFLogxK

U2 - 10.1007/s11144-019-01545-5

DO - 10.1007/s11144-019-01545-5

M3 - Article

AN - SCOPUS:85060945255

VL - 127

SP - 69

EP - 83

JO - Reaction Kinetics, Mechanisms and Catalysis

JF - Reaction Kinetics, Mechanisms and Catalysis

SN - 1878-5190

IS - 1

ER -

ID: 18485483