Ag–CeO2/SBA-15 composite prepared from Pluronic P123@SBA-15 hybrid as catalyst for room-temperature reduction of 4-nitrophenol

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Ag–CeO₂/SBA-15 composite prepared from Pluronic P123@SBA-15 hybrid as catalyst for room-temperature reduction of 4-nitrophenol. / Taratayko, A.; Larichev, Yu ; Zaikovskii, V. et al.

In: Catalysis Today, Vol. 375, 01.09.2021, p. 576-584.

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

BibTeX

@article{d88664e924e44b529ba89a9b4ee5a1d9,

title = "Ag–CeO2/SBA-15 composite prepared from Pluronic P123@SBA-15 hybrid as catalyst for room-temperature reduction of 4-nitrophenol",

abstract = "The catalytic activity of the SBA-15-supported silver and/or ceria catalysts in the 4‑nitrophenol reduction under mild conditions is described. The catalysts are prepared by wetness impregnation of Pluronic P123@SBA-15 hybrid applied to stabilize small Ag and CeO2 particles. The bare SBA-15 and the catalysts on the basis thereof are characterized by N2 sorption, XRD, SAXS, TEM, UV–vis DRS, and H2-TPR. The catalysts possess high surface area (594−754 m2/g) and narrow pore size distributions (5.5–7.8 nm). Silver and ceria particles are stabilized in a highly dispersed state (predominant sizes below 5 nm) in the ordered SBA-15 structure. The Ag–CeO2/SBA-15 catalyst demonstrates the presence of the developed Ag–CeO2 interface that enhances the catalytic activity in 4-nitrophenol reduction to 4‑aminophenol (k = 0.016 s−1) at room temperature and ambient pressure due to the cooperation of silver and ceria active sites.",

keywords = "4-nitrophenol reduction, Ag–CeO catalysts, mild conditions, Pluronic P123@SBA-15 hybrid, SBA-15",

author = "A. Taratayko and Yu Larichev and V. Zaikovskii and N. Mikheeva and G. Mamontov",

year = "2021",

month = sep,

day = "1",

doi = "10.1016/j.cattod.2020.05.001",

language = "English",

volume = "375",

pages = "576--584",

journal = "Catalysis Today",

issn = "0920-5861",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Ag–CeO2/SBA-15 composite prepared from Pluronic P123@SBA-15 hybrid as catalyst for room-temperature reduction of 4-nitrophenol

AU - Taratayko, A.

AU - Larichev, Yu

AU - Zaikovskii, V.

AU - Mikheeva, N.

AU - Mamontov, G.

PY - 2021/9/1

Y1 - 2021/9/1

N2 - The catalytic activity of the SBA-15-supported silver and/or ceria catalysts in the 4‑nitrophenol reduction under mild conditions is described. The catalysts are prepared by wetness impregnation of Pluronic P123@SBA-15 hybrid applied to stabilize small Ag and CeO2 particles. The bare SBA-15 and the catalysts on the basis thereof are characterized by N2 sorption, XRD, SAXS, TEM, UV–vis DRS, and H2-TPR. The catalysts possess high surface area (594−754 m2/g) and narrow pore size distributions (5.5–7.8 nm). Silver and ceria particles are stabilized in a highly dispersed state (predominant sizes below 5 nm) in the ordered SBA-15 structure. The Ag–CeO2/SBA-15 catalyst demonstrates the presence of the developed Ag–CeO2 interface that enhances the catalytic activity in 4-nitrophenol reduction to 4‑aminophenol (k = 0.016 s−1) at room temperature and ambient pressure due to the cooperation of silver and ceria active sites.

AB - The catalytic activity of the SBA-15-supported silver and/or ceria catalysts in the 4‑nitrophenol reduction under mild conditions is described. The catalysts are prepared by wetness impregnation of Pluronic P123@SBA-15 hybrid applied to stabilize small Ag and CeO2 particles. The bare SBA-15 and the catalysts on the basis thereof are characterized by N2 sorption, XRD, SAXS, TEM, UV–vis DRS, and H2-TPR. The catalysts possess high surface area (594−754 m2/g) and narrow pore size distributions (5.5–7.8 nm). Silver and ceria particles are stabilized in a highly dispersed state (predominant sizes below 5 nm) in the ordered SBA-15 structure. The Ag–CeO2/SBA-15 catalyst demonstrates the presence of the developed Ag–CeO2 interface that enhances the catalytic activity in 4-nitrophenol reduction to 4‑aminophenol (k = 0.016 s−1) at room temperature and ambient pressure due to the cooperation of silver and ceria active sites.

KW - 4-nitrophenol reduction

KW - Ag–CeO catalysts

KW - mild conditions

KW - Pluronic P123@SBA-15 hybrid

KW - SBA-15

UR - http://www.scopus.com/inward/record.url?scp=85084842318&partnerID=8YFLogxK

U2 - 10.1016/j.cattod.2020.05.001

DO - 10.1016/j.cattod.2020.05.001

M3 - Article

AN - SCOPUS:85084842318

VL - 375

SP - 576

EP - 584

JO - Catalysis Today

JF - Catalysis Today

SN - 0920-5861

ER -

ID: 24312684