Open Access

Nanomaterials

, volume 9 , issue 5 , pages 728

Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis

Valeriy Krivetskiy ¹

Konstantin Zamanskiy ²

Artemiy Beltyukov ³

Andrey Asachenko ^{1, 4}

Maxim A Topchiy ^{1, 4}

Mikhail Nechaev ^{1, 4}

Alexey Garshev ¹

Matvey Andreev ¹

Darya Filatova ¹

Konstantin Maslakov ¹

M. Rumyantseva ¹

Alexander Gaskov ¹

Hide authors affiliations Show authors affiliations: 4 affiliations

Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1/3, 119234 Moscow, Russia |

Faculty of Materials Sciences, Lomonosov Moscow State University, Leninskie gory 1/3, 119234 Moscow, Russia |

Udmurt Federal Research Center of UB RAS, Laboratory of Atomic Structure and Surface Analysis, Kirova 132, 426000 Izhevsk, Russia |

⁴

A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky Prospect 29, 119991 Moscow, Russia |

Publication type: Journal Article

Publication date: 2019-05-10

MDPI

Nanomaterials

scimago Q1

wos Q2

SJR: 0.811

CiteScore: 9.2

Impact factor: 4.3

ISSN: 20794991

DOI: 10.3390/nano9050728

Copy DOI

PubMed ID: 31083465

General Chemical Engineering

General Materials Science

Abstract

Improvement of sensitivity, lower detection limits, stability and reproducibility of semiconductor metal oxide gas sensor characteristics are required for their application in the fields of ecological monitoring, industrial safety, public security, express medical diagnostics, etc. Facile and scalable single step flame spray pyrolysis (FSP) synthesis of bimetal AuPd sensitized nanocrystalline SnO2 is reported. The materials chemical composition, structure and morphology has been studied by XRD, XPS, HAADFSTEM, BET, ICP-MS techniques. Thermo-programmed reduction with hydrogen (TPR-H2) has been used for materials chemical reactivity characterization. Superior gas sensor response of bimetallic modified SnO2 towards wide concentration range of reducing (CO, CH4, C3H8, H2S, NH3) and oxidizing (NO2) gases compared to pure and monometallic modified SnO2 is reported for dry and humid gas detection conditions. The combination of facilitated oxygen molecule spillover on gold particles and electronic effect of Fermi level control by reoxidizing Pd-PdO clusters on SnO2 surface is proposed to give rise to the observed enhanced gas sensor performance.

Found

8 citations

Krivetskiy Valeriy

🥼

PhD in Chemistry

42 publications, 657 citations, 18 reviews

h-index: 14

Lomonosov Moscow State University

3 citations

Sagitova Alina

5 publications, 18 citations

h-index: 3

Lomonosov Moscow State University

Research interests

Gas sensors

Nanocrystalline oxides

Semiconductors

1 citation

Vasiliev Roman

PhD in Chemistry, associate professor

134 publications, 1 995 citations, 9 reviews

h-index: 25

Lomonosov Moscow State University

1 citation

Dzhumaev Pavel

PhD in Engineering

81 publications, 432 citations, 1 review

h-index: 12

National Research Nuclear University MEPhI

National University of Science & Technology (MISiS)

Research interests

Materials Science

1 citation

Grebenkina Anastasiya

3 publications, 18 citations

h-index: 2

Lomonosov Moscow State University

Research interests

Gas sensors

Hydrothermal synthesis

Machine learnig

Nanoparticles

Semiconductors

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Krivetskiy V. et al. Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis // Nanomaterials. 2019. Vol. 9. No. 5. p. 728.

GOST all authors (up to 50) Copy

Krivetskiy V., Zamanskiy K., Beltyukov A., Asachenko A., Topchiy M. A., Nechaev M., Garshev A., Andreev M., Filatova D., Maslakov K., Rumyantseva M., Gaskov A. Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis // Nanomaterials. 2019. Vol. 9. No. 5. p. 728.

RIS |

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RIS Copy

TY - JOUR

DO - 10.3390/nano9050728

UR - https://doi.org/10.3390/nano9050728

TI - Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis

T2 - Nanomaterials

AU - Krivetskiy, Valeriy

AU - Zamanskiy, Konstantin

AU - Beltyukov, Artemiy

AU - Asachenko, Andrey

AU - Topchiy, Maxim A

AU - Nechaev, Mikhail

AU - Garshev, Alexey

AU - Andreev, Matvey

AU - Filatova, Darya

AU - Maslakov, Konstantin

AU - Rumyantseva, M.

AU - Gaskov, Alexander

PY - 2019

DA - 2019/05/10

PB - MDPI

SP - 728

IS - 5

VL - 9

PMID - 31083465

SN - 2079-4991

ER -

BibTex |

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BibTex (up to 50 authors) Copy

@article{2019_Krivetskiy,

author = {Valeriy Krivetskiy and Konstantin Zamanskiy and Artemiy Beltyukov and Andrey Asachenko and Maxim A Topchiy and Mikhail Nechaev and Alexey Garshev and Matvey Andreev and Darya Filatova and Konstantin Maslakov and M. Rumyantseva and Alexander Gaskov},

title = {Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis},

journal = {Nanomaterials},

year = {2019},

volume = {9},

publisher = {MDPI},

month = {may},

url = {https://doi.org/10.3390/nano9050728},

number = {5},

pages = {728},

doi = {10.3390/nano9050728}

}

MLA

Cite this

MLA Copy

Krivetskiy, Valeriy, et al. “Effect of AuPd Bimetal Sensitization on Gas Sensing Performance of Nanocrystalline SnO2 Obtained by Single Step Flame Spray Pyrolysis.” Nanomaterials, vol. 9, no. 5, May. 2019, p. 728. https://doi.org/10.3390/nano9050728.

Publisher

MDPI

Journal

Nanomaterials

scimago Q1

wos Q2

SJR

0.811

CiteScore

9.2

Impact factor

4.3

ISSN

20794991 (Electronic)

Labs

Laboratory of Chemistry and Physics of Semiconductor and Sensor Materials

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