Synthesis and Characterization of Titanium (IV) Oxide from Various Precursors

Dontsova, Tetiana; Ivanenko, Iryna; Астрелін, І. М.

doi:10.1007/978-3-319-18543-9_19

Cited by 14 publications

(3 citation statements)

References 14 publications

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“…Under certain conditions, this method can produce powders, monoliths, coatings, films, fibers, aerogels, glass, ceramics, and hybrid materials. It is also possible to synthesize both crystalline and amorphous nanopowders [233].…”

Section: Hydrothermal (Solvothermal)mentioning

confidence: 99%

Metaloxide Nanomaterials and Nanocomposites of Ecological Purpose

Dontsova

Nahirniak

Астрелін

2019

Journal of Nanomaterials

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The features of the properties and creation of nanocomposite metal oxide materials, especially TiO2, ZnO, SnO2, ZrO2, and Fe3O4, and their applications for ecology are considered in the article. It is shown that nanomaterials based on them are very promising for use in the ecological direction, especially as sorbents, photocatalysts, and sensitive layers of gas sensors. The crystallochemical characteristics, surface structure, and surface phenomena that occur when they enter the water and air environment are given for these metal oxides, and it is shown that they play a significant role in obtaining the sorption and catalytic characteristics of these nanomaterials. Particular attention is paid to the dispersion and morphology of metal oxide particles by which their physical and chemical properties can be controlled. Synthesis methods of metal oxide nanomaterials and ways for creating of nanocomposites based on them are characterized, and it is noted that there are many methods for obtaining individual nanoparticles of metal oxides with certain properties. The main task is the correct selection and testing of parameters. The prospects for the production of metal oxide nanocomposites and their application for environmental applications are noted, which will lead to a fundamentally new class of materials and new environmental technologies with their participation.

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Section: Hydrothermal (Solvothermal)mentioning

confidence: 99%

Metaloxide Nanomaterials and Nanocomposites of Ecological Purpose

Dontsova

Nahirniak

Астрелін

2019

Journal of Nanomaterials

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“…Heterogeneous photocatalysis is the most popular application of TiO 2 . It is well known that the ultimate photoefficiency of each photocatalyst strongly depends on its physicochemical properties such as specific surface area, particle size, and phase composition, as well as on the synthesis method and precursors' type used to obtain it [6][7][8][9][10][11]. Another potential TiO 2 application is sensory, where it can be successfully used as a sensitive chemoresistive layer of gas sensors [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Commercial TiO2 P90 Modified with ZnO by the Impregnation Method

Dontsova

Yanushevska

Nahirniak

et al. 2021

Journal of Chemistry

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This article is devoted to TiO2/ZnO nanocomposites’ creation by modifying with the commercial TiO2/P90 product using the impregnation method and identifying the effect of the ZnO modifier on its adsorption, structural, photocatalytic, and electrical properties. The synthesized TiO2/ZnO nanocomposites were characterized by XRD, XRF, XPS, and low-temperature nitrogen adsorption-desorption methods. As a result, nanostructured TiO2/ZnO composites with the ZnO content of 2, 5, 10, and 15% were obtained. It was shown that the phase composition of TiO2/P90 does not change during the nanocomposite synthesis. XPS studies of TiO2/ZnO nanocomposites indicated the presence of Ti4+, Zn2+, O2−, and OH states on their surface, which is associated with TiO2, ZnO, and hydroxide ions. The nitrogen adsorption-desorption method showed that the commercial TiO2/P90 sample is nonporous, and all TiO2/ZnO nanocomposites are characterized by almost the same homogeneous mesoporous structure. Experimentally established sorption and photocatalytic properties depend on the specific surface area and electrostatic interaction with dyes. The effect of the ZnO modifier on I-V characteristics of the TiO2/P90 sample was revealed. The obtained experimental data showed that the TiO2/P90 sample contains one type of current carriers, and TiO2/2ZnO and TiO2/5ZnO nanocomposites are characterized by two types of current carriers.

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“…Therefore, the sol-gel method is a convenient and widely used tool for adjusting the dispersion of the obtained particles by controlled process parameters: temperature, pH, nature of precursors, the addition of modifiers, etc. (Erdem 2017, Dontsova 2015, Kutuzova 2017and Kutuzova 2018.…”

mentioning

confidence: 99%

Ceramic Membranes: New Trends and Prospects (Short Review)

Сергієнко¹,

Dontsova²,

Янушевська³

et al. 2020

WPT STN

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This review is devoted to the features of the formation and application of ceramic membranes in water treatment technologies. The structure, composition and geometric configuration of ceramic membranes were analyzed. A comparison with polymer membranes was made, as a result of which it was determined that the use of ceramic membranes is safer for the environment and will contribute to the creation of sustainable water treatment technologies, which can be completely closed. Despite their widely recognized shortcomingsfragility and cost, the use of ceramic membranes can pay off quickly due to higher performance and longer service life. Besides, a promising direction in overcoming these shortcomings is the fabrication of cheap and highly functional ceramic membranes using nanotechnology, modification of their surface against biofouling and for disinfection and creation of hybrid membranes. Additionally, the perspective direction of ceramic membranes creation based on low-cost raw materials and the development of cheap anisotropic inorganic membranes is outlined. In general, it is noted that membrane technologies, while eliminating certain shortcomings, will be recognized as a universal and "green" method of wastewater treatment, which will address a wide range of water treatment issues.

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Synthesis and Characterization of Titanium (IV) Oxide from Various Precursors

Cited by 14 publications

References 14 publications

Metaloxide Nanomaterials and Nanocomposites of Ecological Purpose

Metaloxide Nanomaterials and Nanocomposites of Ecological Purpose

Characterization of Commercial TiO2 P90 Modified with ZnO by the Impregnation Method

Ceramic Membranes: New Trends and Prospects (Short Review)

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