Enhanced visible-light photocatalytic activity of core-shell oxide nanoparticles synthesized by wet chemical precipitation and atomic layer deposition

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Enhanced visible-light photocatalytic activity of core-shell oxide nanoparticles synthesized by wet chemical precipitation and atomic layer deposition. / Podurets, Anastasiia; Kolokolov, Daniil; Barr, Maïssa K.S. ; Ubyivovk, Eugenii ; Osmolowsky, Mikhail ; Bobrysheva, Natalia ; Bachmann, Julien ; Osmolovskaya, Olga.

In: Applied Surface Science, Vol. 533, 147520, 15.12.2020.

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

BibTeX

@article{ca61ad5132bc4b3f937dfd201022b4fc,

title = "Enhanced visible-light photocatalytic activity of core-shell oxide nanoparticles synthesized by wet chemical precipitation and atomic layer deposition",

abstract = "In this work, SnO2@MOx (MOx = ZnO, SnO2, TiO2) core–shell nanoparticles were synthesized by atomic layer deposition method (ALD) and characterized in terms of their structural, optical and photocatalytic properties. The band gap values are found to be in the range of 2.8 to 4.6 eV, whereby distinct values were demonstrated for the core and shell materials in the case of SnO2@SnO2 and SnO2@TiO2. Under UV and visible light irradiation, the as-prepared nanoparticles exhibited clearly distinct activities towards the photocatalytic degradation of methylene blue, depending on the structure and band gap values. Without using any multi-stage sample preparation, a full degradation of the pollutant model was achieved in 10 min with the novel particles, conditions in which simpler particles do not achieve a comparable performance. These results make the core–shell nanoparticles under study an applicable UV or visible-light photocatalyst for efficient environmental remediation photocatalysis.",

keywords = "semiconductors, core-shell nanoparticles, methylene blue, visible-light photocatalysis, Semiconductors, Core-shell nanoparticles, Visible-light photocatalysis, Methylene blue",

author = "Anastasiia Podurets and Daniil Kolokolov and Barr, {Ma{\"i}ssa K.S.} and Eugenii Ubyivovk and Mikhail Osmolowsky and Natalia Bobrysheva and Julien Bachmann and Olga Osmolovskaya",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = dec,

day = "15",

doi = "10.1016/j.apsusc.2020.147520",

language = "English",

volume = "533",

journal = "Applied Surface Science",

issn = "0169-4332",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Enhanced visible-light photocatalytic activity of core-shell oxide nanoparticles synthesized by wet chemical precipitation and atomic layer deposition

AU - Podurets, Anastasiia

AU - Kolokolov, Daniil

AU - Barr, Maïssa K.S.

AU - Ubyivovk, Eugenii

AU - Osmolowsky, Mikhail

AU - Bobrysheva, Natalia

AU - Bachmann, Julien

AU - Osmolovskaya, Olga

PY - 2020/12/15

Y1 - 2020/12/15

N2 - In this work, SnO2@MOx (MOx = ZnO, SnO2, TiO2) core–shell nanoparticles were synthesized by atomic layer deposition method (ALD) and characterized in terms of their structural, optical and photocatalytic properties. The band gap values are found to be in the range of 2.8 to 4.6 eV, whereby distinct values were demonstrated for the core and shell materials in the case of SnO2@SnO2 and SnO2@TiO2. Under UV and visible light irradiation, the as-prepared nanoparticles exhibited clearly distinct activities towards the photocatalytic degradation of methylene blue, depending on the structure and band gap values. Without using any multi-stage sample preparation, a full degradation of the pollutant model was achieved in 10 min with the novel particles, conditions in which simpler particles do not achieve a comparable performance. These results make the core–shell nanoparticles under study an applicable UV or visible-light photocatalyst for efficient environmental remediation photocatalysis.

AB - In this work, SnO2@MOx (MOx = ZnO, SnO2, TiO2) core–shell nanoparticles were synthesized by atomic layer deposition method (ALD) and characterized in terms of their structural, optical and photocatalytic properties. The band gap values are found to be in the range of 2.8 to 4.6 eV, whereby distinct values were demonstrated for the core and shell materials in the case of SnO2@SnO2 and SnO2@TiO2. Under UV and visible light irradiation, the as-prepared nanoparticles exhibited clearly distinct activities towards the photocatalytic degradation of methylene blue, depending on the structure and band gap values. Without using any multi-stage sample preparation, a full degradation of the pollutant model was achieved in 10 min with the novel particles, conditions in which simpler particles do not achieve a comparable performance. These results make the core–shell nanoparticles under study an applicable UV or visible-light photocatalyst for efficient environmental remediation photocatalysis.

KW - semiconductors

KW - core-shell nanoparticles

KW - methylene blue

KW - visible-light photocatalysis

KW - Semiconductors

KW - Core-shell nanoparticles

KW - Visible-light photocatalysis

KW - Methylene blue

UR - http://www.scopus.com/inward/record.url?scp=85089741826&partnerID=8YFLogxK

U2 - 10.1016/j.apsusc.2020.147520

DO - 10.1016/j.apsusc.2020.147520

M3 - Article

VL - 533

JO - Applied Surface Science

JF - Applied Surface Science

SN - 0169-4332

M1 - 147520

ER -

ID: 61345699