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Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups : Unusual Formation of Ag2S Nanoparticles. / Kozlova, Mariia N.; Grayfer, Ekaterina D.; Poltarak, Pavel A. et al.

In: Advanced Materials Interfaces, Vol. 4, No. 23, 1700999, 08.12.2017.

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

Harvard

Kozlova, MN, Grayfer, ED, Poltarak, PA, Artemkina, SB, Cherkov, AG, Kibis, LS, Boronin, AI & Fedorov, VE 2017, 'Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups: Unusual Formation of Ag2S Nanoparticles', Advanced Materials Interfaces, vol. 4, no. 23, 1700999. https://doi.org/10.1002/admi.201700999

APA

Kozlova, M. N., Grayfer, E. D., Poltarak, P. A., Artemkina, S. B., Cherkov, A. G., Kibis, L. S., Boronin, A. I., & Fedorov, V. E. (2017). Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups: Unusual Formation of Ag2S Nanoparticles. Advanced Materials Interfaces, 4(23), [1700999]. https://doi.org/10.1002/admi.201700999

Vancouver

Kozlova MN, Grayfer ED, Poltarak PA, Artemkina SB, Cherkov AG, Kibis LS et al. Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups: Unusual Formation of Ag2S Nanoparticles. Advanced Materials Interfaces. 2017 Dec 8;4(23):1700999. doi: 10.1002/admi.201700999

Author

Kozlova, Mariia N. ; Grayfer, Ekaterina D. ; Poltarak, Pavel A. et al. / Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups : Unusual Formation of Ag2S Nanoparticles. In: Advanced Materials Interfaces. 2017 ; Vol. 4, No. 23.

BibTeX

@article{528920f708bb43dc8fd21b840f0462c6,
title = "Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups: Unusual Formation of Ag2S Nanoparticles",
abstract = "Similarly to transition metal dichalcogenides akin to MoS2, transition metal polysulfides like tri- and tetrachalcogenide materials are nowadays incorporated into catalysts and composites used for energy conversion and storage, etc. However, polysulfide structures feature SS units, which make them strikingly different from the widely known MoS2 and other dichalcogenides. At the same time, their surface chemistry and its relation to properties are very little studied. Reported here is one of the first observations on the oxidizing properties of disulfide bridges (SS)2− forming surfaces in polysulfide crystals. Upon interaction with silver salts or silver nanoparticles, MoS2 acts as most supports, that is, it stabilizes metallic Ag at its surface; in contrast, curiously, patronite VS4 and NbS3 stabilize Ag2S nanoparticles under identical reducing conditions. The Ag/MoS2, Ag2S/NbS3, and Ag2S/VS4 samples are characterized with X-ray diffraction, transmission electron microscopy, and X-ray photoelectron spectroscopy. Apparently, the unexpected formation of Ag2S is due to complex redox processes involving disulfide fragments –S–S– of nanorods VS4 or nanoribbons NbS3, which are absent in MoS2 nanosheets. This result is important for fundamental understanding of the properties of sulfur-rich surfaces and also for contributing to the number of available synthetic paths toward Ag2S nanoparticles.",
keywords = "composites, patronite, silver sulfide, surface chemistry, transition metal polysulfides, 2-DIMENSIONAL MOLYBDENUM, EPITAXIAL-GROWTH, GRAPHENE, SILVER NANOPARTICLES, TRANSITION-METAL DICHALCOGENIDES, MOS2 NANOSHEETS, NANOCOMPOSITES, FACILE SYNTHESIS, COLLOIDAL DISPERSIONS, VANADIUM SULFIDE",
author = "Kozlova, {Mariia N.} and Grayfer, {Ekaterina D.} and Poltarak, {Pavel A.} and Artemkina, {Sofya B.} and Cherkov, {Alexander G.} and Kibis, {Lidiya S.} and Boronin, {Andrei I.} and Fedorov, {Vladimir E.}",
year = "2017",
month = dec,
day = "8",
doi = "10.1002/admi.201700999",
language = "English",
volume = "4",
journal = "Advanced Materials Interfaces",
issn = "2196-7350",
publisher = "John Wiley and Sons Ltd",
number = "23",

}

RIS

TY - JOUR

T1 - Oxidizing Properties of the Polysulfide Surfaces of Patronite VS4 and NbS3 Induced by (S2)2− Groups

T2 - Unusual Formation of Ag2S Nanoparticles

AU - Kozlova, Mariia N.

AU - Grayfer, Ekaterina D.

AU - Poltarak, Pavel A.

AU - Artemkina, Sofya B.

AU - Cherkov, Alexander G.

AU - Kibis, Lidiya S.

AU - Boronin, Andrei I.

AU - Fedorov, Vladimir E.

PY - 2017/12/8

Y1 - 2017/12/8

N2 - Similarly to transition metal dichalcogenides akin to MoS2, transition metal polysulfides like tri- and tetrachalcogenide materials are nowadays incorporated into catalysts and composites used for energy conversion and storage, etc. However, polysulfide structures feature SS units, which make them strikingly different from the widely known MoS2 and other dichalcogenides. At the same time, their surface chemistry and its relation to properties are very little studied. Reported here is one of the first observations on the oxidizing properties of disulfide bridges (SS)2− forming surfaces in polysulfide crystals. Upon interaction with silver salts or silver nanoparticles, MoS2 acts as most supports, that is, it stabilizes metallic Ag at its surface; in contrast, curiously, patronite VS4 and NbS3 stabilize Ag2S nanoparticles under identical reducing conditions. The Ag/MoS2, Ag2S/NbS3, and Ag2S/VS4 samples are characterized with X-ray diffraction, transmission electron microscopy, and X-ray photoelectron spectroscopy. Apparently, the unexpected formation of Ag2S is due to complex redox processes involving disulfide fragments –S–S– of nanorods VS4 or nanoribbons NbS3, which are absent in MoS2 nanosheets. This result is important for fundamental understanding of the properties of sulfur-rich surfaces and also for contributing to the number of available synthetic paths toward Ag2S nanoparticles.

AB - Similarly to transition metal dichalcogenides akin to MoS2, transition metal polysulfides like tri- and tetrachalcogenide materials are nowadays incorporated into catalysts and composites used for energy conversion and storage, etc. However, polysulfide structures feature SS units, which make them strikingly different from the widely known MoS2 and other dichalcogenides. At the same time, their surface chemistry and its relation to properties are very little studied. Reported here is one of the first observations on the oxidizing properties of disulfide bridges (SS)2− forming surfaces in polysulfide crystals. Upon interaction with silver salts or silver nanoparticles, MoS2 acts as most supports, that is, it stabilizes metallic Ag at its surface; in contrast, curiously, patronite VS4 and NbS3 stabilize Ag2S nanoparticles under identical reducing conditions. The Ag/MoS2, Ag2S/NbS3, and Ag2S/VS4 samples are characterized with X-ray diffraction, transmission electron microscopy, and X-ray photoelectron spectroscopy. Apparently, the unexpected formation of Ag2S is due to complex redox processes involving disulfide fragments –S–S– of nanorods VS4 or nanoribbons NbS3, which are absent in MoS2 nanosheets. This result is important for fundamental understanding of the properties of sulfur-rich surfaces and also for contributing to the number of available synthetic paths toward Ag2S nanoparticles.

KW - composites

KW - patronite

KW - silver sulfide

KW - surface chemistry

KW - transition metal polysulfides

KW - 2-DIMENSIONAL MOLYBDENUM

KW - EPITAXIAL-GROWTH

KW - GRAPHENE

KW - SILVER NANOPARTICLES

KW - TRANSITION-METAL DICHALCOGENIDES

KW - MOS2 NANOSHEETS

KW - NANOCOMPOSITES

KW - FACILE SYNTHESIS

KW - COLLOIDAL DISPERSIONS

KW - VANADIUM SULFIDE

UR - http://www.scopus.com/inward/record.url?scp=85031112485&partnerID=8YFLogxK

U2 - 10.1002/admi.201700999

DO - 10.1002/admi.201700999

M3 - Article

AN - SCOPUS:85031112485

VL - 4

JO - Advanced Materials Interfaces

JF - Advanced Materials Interfaces

SN - 2196-7350

IS - 23

M1 - 1700999

ER -

ID: 10501121