Preparation and Characterization of TiO2 - SiO2 - ZnO - SnO - Fe2O3 SOL - GEL Coatings PDF Download
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Author: Violeta Carrillo Rodrigo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Master's Thesis is about the preparation and characterization of different systems withinTiO2-SiO2-ZnO-SnO2-Fe2O3 system. The available information about all precursors, dip-coating technique, drying and sintering as well as their preparation methods were processed in this study. In the experimental part, by the sol-gel dip-coating method the coating systems of three, four and five components sol-gel coatings on the glass substrate were obtained. Using OM, X-ray, AFM and SEM the affecting factors and concepts of coating systems, as microstructure, phase composition, surface morphology and the photocatalytic activity of resulting were investigated. The Master's thesis consists of 95 pages, contains 52 figures, 10 tables, 1 appendix and 133 references.
Author: Violeta Carrillo Rodrigo
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The Master's Thesis is about the preparation and characterization of different systems withinTiO2-SiO2-ZnO-SnO2-Fe2O3 system. The available information about all precursors, dip-coating technique, drying and sintering as well as their preparation methods were processed in this study. In the experimental part, by the sol-gel dip-coating method the coating systems of three, four and five components sol-gel coatings on the glass substrate were obtained. Using OM, X-ray, AFM and SEM the affecting factors and concepts of coating systems, as microstructure, phase composition, surface morphology and the photocatalytic activity of resulting were investigated. The Master's thesis consists of 95 pages, contains 52 figures, 10 tables, 1 appendix and 133 references.
Author: G. Piccaluga
Publisher: Trans Tech Publications Ltd
ISBN: 3035705941
Category : Technology & Engineering
Languages : en
Pages : 56
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Book Description
Materials with nanometer size particles exhibit unique chemical and physical properties. In particular, nanocomposite materials, composed of nanometric metal and metal oxide particles embedded in vitreous matrices, present a variety of interesting magnetic, electric and catalytic properties, that are strongly size-dependent. Among the different preparation methods which can be used to obtain this kind of materials, the sol-gel process is particularly interesting because it is affected by several parameters which allow a versatile control of the structural, textural and chemical properties of the final products. The present volume focusses on the preparation of metal-silica and metal oxide-silica (Me=Ni, Fe, Zn) nanocomposites by the sol-gel method and the characterization of their structural and magnetic properties.
Author: Per A. Askeland
Publisher:
ISBN:
Category : Metal catalysts
Languages : en
Pages : 260
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Book Description
Author: Michel A Aegerter
Publisher: Springer Science & Business Media
ISBN: 1402079389
Category : Technology & Engineering
Languages : en
Pages : 518
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Book Description
Sol-Gel Techniques for Glass Producers and Users provides technological information, descriptions and characterizations of prototypes, or products already on the market, and illustrates advantages and disadvantages of the sol-gel process in comparison to other methods. The first chapter entitled "Wet Chemical Technology" gives a summary of the basic principles of the sol-gel chemistry. The most promising applications are related to coatings. Chapter 2 describes the various "Wet Chemical Coating Technologies" from glass cleaning to many deposition and post-coating treatment techniques. These include patterning of coatings through direct or indirect techniques which have became very important and for which the sol-gel processing is particularly well adapted. Chapter 3 entitled "Bulk Glass Technologies" reports on the preparation of special glasses for different applications. Chapter 4 entitled "Coatings and Materials Properties" describes the properties of the different coatings and the sol-gel materials, fibers and powders. The chapter also includes a section dedicated to the characterization techniques especially applied to sol-gel coatings and products.
Author: Guadalupe Valverde Aguilar
Publisher: BoD – Books on Demand
ISBN: 1789853338
Category : Technology & Engineering
Languages : en
Pages : 108
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Book Description
The sol-gel method is a powerful route of synthesis used worldwide. It produces bulk, nano- and mesostructured sol-gel materials, which can encapsulate metallic and magnetic nanoparticles, non-linear azochromophores, perovskites, organic dyes, biological molecules, etc.. This can have interesting applications for catalysis, photocatalysis; drug delivery for treatment of neurodegenerative diseases such as cancer, Parkinson's and Azheimer's. In this book, valuable contributions related to novel materials synthesized by the sol-gel route are provided. The effect of the sol-gel method to synthesize these materials with potential properties is described, and how the variation of the parameters during the synthesis influences their design and allows to adjust their properties according to the desired application is discussed.
Author: Siti Salwa Alias
Publisher: Springer Science & Business Media
ISBN: 9814560774
Category : Technology & Engineering
Languages : en
Pages : 59
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Book Description
This book focuses on the study of synthesized ZnO powder using Zn(CH3COO)2∙2H2O precursor, methanol (as solvent), and sodium hydroxide (NaOH) to vary the pH. The successfully synthesized ZnO powder from the sol-gel centrifugation and sol-gel storage methods were characterized and investigated by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, Fourier-transform infrared spectroscopy, UV–visible spectroscopy, and photoluminescence test to compare the properties of the nanoparticles. The best characteristic of the ZnO powder from both methods was observed when the powders were coated on an ITO glass to fabricate a PEC. The current density–voltage performances of both PECs were investigated under luminescent and dark conditions.
Author: Crina Anastasescu
Publisher: Springer
ISBN: 331932988X
Category : Technology & Engineering
Languages : en
Pages : 89
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Book Description
This book presents wet chemical sol-gel and hydrothermal methods for 1D oxide nanostructure preparation. These methods represent an attractive route to multifunctional nanomaterials synthesis, as they are versatile, inexpensive and, thus, appropriate for obtaining a wide range of oxide materials with tailored morphology and properties. Three specific oxides (SiO2, TiO2, ZnO) are discussed in detail in order to illustrate the principle of the sol-gel and hydrothermal preparation of 1D oxide nanostructures. Other oxides synthesized via this method are also briefly presented. Throughout the book, the correlation between the tubular structure and the physico-chemical properties of these materials is highlighted. 1D oxide nanostructures exhibit interesting optical and electrical properties, due to their confined morphology. In addition, a well-defined geometry can be associated with chemically active species. For example, the pure SiO2 nanotubes presented a slight photocatalytic activity, while the Pt-doped SiO2 tubular materials act as microreactors in catalytic reactions. In the case of titania and titanate nanotubes, large specific surface area and pore volume, ion-exchange ability, enhanced light absorption, and fast electron-transport capability have attracted significant research interest. The chemical and physical modifications (microwave assisted hydrothermal methods) discussed here improve the formation kinetics of the nanotubes. The ZnO nanorods/tubes were prepared as random particles or as large areas of small, oriented 1D ZnO nanostructures on a variety of substrates. In the latter case a sol-gel layer is deposited on the substrate prior to the hydrothermal preparation. Using appropriate dopants, coatings of ZnO nanorods with controlled electrical behavior can be obtained.
Author: Hiromasa Okada
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Ceramics
Languages : en
Pages : 1040
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Book Description
Author: Fabian I. Ezema
Publisher: Springer Nature
ISBN: 3030684628
Category : Technology & Engineering
Languages : en
Pages : 926
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Book Description
This book guides beginners in the areas of thin film preparation, characterization, and device making, while providing insight into these areas for experts. As chemically deposited metal oxides are currently gaining attention in development of devices such as solar cells, supercapacitors, batteries, sensors, etc., the book illustrates how the chemical deposition route is emerging as a relatively inexpensive, simple, and convenient solution for large area deposition. The advancement in the nanostructured materials for the development of devices is fully discussed.
