Optical properties and radiation stability of TiO2 powders modified by Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO nanoparticles

Abstract

Abstract The high-temperature modification of micron-sized grains of titanium dioxide with nanoparticles of Al₂O₃, ZrO₂, SiO₂, TiO₂, ZnO, and MgO was performed. The influence of these types of nanoparticles on the diffuse reflectance spectra of modified pigments in the range of 350-2000 nm and their changes after irradiation by 30 keV electrons were investigated. It was determined that the modification does not lead to significant changes in the diffuse reflection spectra of the TiO₂ pigments. The type of oxide nanoparticles, the size of the ionic radii and the valence of the cations do not noticeably influence the radiation stability of the modified pigment, as determined by the intensity of the absorption bands in the visible and near infrared regions of the spectrum. The determining factor in the increase of the radiation stability of the modified pigments is the specific surface area of the nanopowders.

Original language	English
Article number	4864
Pages (from-to)	72-77
Number of pages	6
Journal	Dyes and Pigments
Volume	123
DOIs	https://doi.org/10.1016/j.dyepig.2015.07.024
Publication status	Published - 11 Aug 2015

Keywords

Defects
Irradiation
Modification
Nanoparticles
Pigments
Specific surface area

ASJC Scopus subject areas

Chemical Engineering(all)
Process Chemistry and Technology

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@article{5da7e7d55d6c4680b649acab4c7a17de,

title = "Optical properties and radiation stability of TiO2 powders modified by Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO nanoparticles",

abstract = "Abstract The high-temperature modification of micron-sized grains of titanium dioxide with nanoparticles of Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO was performed. The influence of these types of nanoparticles on the diffuse reflectance spectra of modified pigments in the range of 350-2000 nm and their changes after irradiation by 30 keV electrons were investigated. It was determined that the modification does not lead to significant changes in the diffuse reflection spectra of the TiO2 pigments. The type of oxide nanoparticles, the size of the ionic radii and the valence of the cations do not noticeably influence the radiation stability of the modified pigment, as determined by the intensity of the absorption bands in the visible and near infrared regions of the spectrum. The determining factor in the increase of the radiation stability of the modified pigments is the specific surface area of the nanopowders.",

keywords = "Defects, Irradiation, Modification, Nanoparticles, Pigments, Specific surface area",

author = "Mikhailov, {M. M.} and Vlasov, {V. A.} and Yuryev, {S. A.} and Neshchimenko, {V. V.} and Shcherbina, {V. V.}",

year = "2015",

month = aug,

day = "11",

doi = "10.1016/j.dyepig.2015.07.024",

language = "English",

volume = "123",

pages = "72--77",

journal = "Dyes and Pigments",

issn = "0143-7208",

publisher = "Elsevier BV",

}

TY - JOUR

T1 - Optical properties and radiation stability of TiO2 powders modified by Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO nanoparticles

AU - Mikhailov, M. M.

AU - Vlasov, V. A.

AU - Yuryev, S. A.

AU - Neshchimenko, V. V.

AU - Shcherbina, V. V.

PY - 2015/8/11

Y1 - 2015/8/11

N2 - Abstract The high-temperature modification of micron-sized grains of titanium dioxide with nanoparticles of Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO was performed. The influence of these types of nanoparticles on the diffuse reflectance spectra of modified pigments in the range of 350-2000 nm and their changes after irradiation by 30 keV electrons were investigated. It was determined that the modification does not lead to significant changes in the diffuse reflection spectra of the TiO2 pigments. The type of oxide nanoparticles, the size of the ionic radii and the valence of the cations do not noticeably influence the radiation stability of the modified pigment, as determined by the intensity of the absorption bands in the visible and near infrared regions of the spectrum. The determining factor in the increase of the radiation stability of the modified pigments is the specific surface area of the nanopowders.

AB - Abstract The high-temperature modification of micron-sized grains of titanium dioxide with nanoparticles of Al2O3, ZrO2, SiO2, TiO2, ZnO, and MgO was performed. The influence of these types of nanoparticles on the diffuse reflectance spectra of modified pigments in the range of 350-2000 nm and their changes after irradiation by 30 keV electrons were investigated. It was determined that the modification does not lead to significant changes in the diffuse reflection spectra of the TiO2 pigments. The type of oxide nanoparticles, the size of the ionic radii and the valence of the cations do not noticeably influence the radiation stability of the modified pigment, as determined by the intensity of the absorption bands in the visible and near infrared regions of the spectrum. The determining factor in the increase of the radiation stability of the modified pigments is the specific surface area of the nanopowders.

KW - Defects

KW - Irradiation

KW - Modification

KW - Nanoparticles

KW - Pigments

KW - Specific surface area

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U2 - 10.1016/j.dyepig.2015.07.024

DO - 10.1016/j.dyepig.2015.07.024

M3 - Article

AN - SCOPUS:84938941197

VL - 123

SP - 72

EP - 77

JO - Dyes and Pigments

JF - Dyes and Pigments

SN - 0143-7208

M1 - 4864

ER -

Optical properties and radiation stability of TiO₂ powders modified by Al₂O₃, ZrO₂, SiO₂, TiO₂, ZnO, and MgO nanoparticles

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Fingerprint Dive into the research topics of 'Optical properties and radiation stability of TiO<sub>2</sub> powders modified by Al<sub>2</sub>O<sub>3</sub>, ZrO<sub>2</sub>, SiO<sub>2</sub>, TiO<sub>2</sub>, ZnO, and MgO nanoparticles'. Together they form a unique fingerprint.

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