Synthesis and Characterization of Titania-based Catalysts for Photocatalytic Applications

Synthesis and Characterization of Titania-based Catalysts for Photocatalytic Applications PDF Author: Shawn Kendale Blue
Publisher:
ISBN:
Category : Azo dyes
Languages : en
Pages : 87

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Book Description
Studies the synthesis of two types of titanium-based catalysts, ultrasonically treated titania powder and zeolite-supported TiO2. The synthesized catalysts are characterized utilizing both SEM (Scanning Electron Microscopy) and elemental analysis. The synthesized catalysts are then kinetically characterized in the degradation of direct black 38 azo dye.

Synthesis and Characterization of Titania-based Catalysts for Photocatalytic Applications

Synthesis and Characterization of Titania-based Catalysts for Photocatalytic Applications PDF Author: Shawn Kendale Blue
Publisher:
ISBN:
Category : Azo dyes
Languages : en
Pages : 87

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Book Description
Studies the synthesis of two types of titanium-based catalysts, ultrasonically treated titania powder and zeolite-supported TiO2. The synthesized catalysts are characterized utilizing both SEM (Scanning Electron Microscopy) and elemental analysis. The synthesized catalysts are then kinetically characterized in the degradation of direct black 38 azo dye.

Synthesis, characterization and applications of nanomaterials in the field of photocatalysis

Synthesis, characterization and applications of nanomaterials in the field of photocatalysis PDF Author: Shamaila Sajjad
Publisher: GRIN Verlag
ISBN: 3640986245
Category : Technology & Engineering
Languages : en
Pages : 172

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Book Description
Doctoral Thesis / Dissertation from the year 2011 in the subject Chemistry - Materials Chemistry, East China University of Science and Technology (-), language: English, abstract: Considerable effort has been made to design, fabricate, and manipulate nanostructured materials by innovative approaches. The precise control of nanoscale structures will pave the way not only for elucidating unique size/shape dependent physicochemical properties but also for realizing new applications in science and technology. Nanotechnology offers unprecedented opportunities for improving our daily lives and the environment in which we live. This thesis mainly describes recent progress in the design, fabrication, and modification of nanostructured semiconductor materials for environmental applications. The scope of this thesis covers TiO2, Bi2O3 and BiOCl materials, focusing particularly on TiO2-based nanostructures (e.g., pure, doped, coupled, mesoporous, hierarchically porous, and ordered mesoporous TiO2). Mesoporous titania is of particular interest since this class of materials possesses well-defined porosity and large specific surface areas. For photocatalytic degradation of organics, these desirable properties are anticipated to improve the efficiency. So in the first part of work, I have synthesized the mesoporous titania by using poly ethylene glycol as a template in dilute acetic acid aqueous solution by hydrothermal process and investigated the effect of PEG molecular weights and thermal treatment on the resultant structure and photocatalytic activity. When the molecular weights of PEG vary from 600 to 20,000, the particle sizes of mesoporous-TiO2 structure decrease from 15.1 to 13.3 nm and mean pore sizes increase from 6.9-10.6 nm. The activities of these mesoporous-TiO2 photocatalysts prepared by using PEG are evaluated and compared with Degussa P-25 using chloro-phenol as a testing compound. [...]

Nanocatalysts in Environmental Applications

Nanocatalysts in Environmental Applications PDF Author: Samira Bagheri
Publisher: Springer
ISBN: 3319695576
Category : Technology & Engineering
Languages : en
Pages : 122

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Book Description
This book presents a range of nanocatalysts, together with their primary environmental applications and use in chemical production processes. In addition, it describes the nanomaterials used for catalysts and details their performance. The book introduces readers to the fundamentals and applications of nanocatalysis, synthesis, characterization, modification and application. Further topics include: landfill organic pollutant photodegradation; magnetic photocatalysis; synergistic effects on hydrogenated TiO2; and photoinduced fusion of gold-semiconductor nanoparticles. A detailed explanation of the chemistry of nanostructures and the ability to control materials at the nano-scale rounds out the coverage. Given the central importance of research in nanotechnology and nanoscience for the development of new catalysts, the book offers a valuable source of information for researchers and academics alike. It will also benefit industrial engineers and production managers who wish to understand the environmental impact of nanocatalysts.

Photocatalytic Semiconductors

Photocatalytic Semiconductors PDF Author: Aracely Hernández-Ramírez
Publisher: Springer
ISBN: 3319109995
Category : Science
Languages : en
Pages : 298

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Book Description
This critical volume examines the different methods used for the synthesis of a great number of photocatalysts, including TiO2, ZnO and other modified semiconductors, as well as characterization techniques used for determining the optical, structural and morphological properties of the semiconducting materials. Additionally, the authors discuss photoelectrochemical methods for determining the light activity of the photocatalytic semiconductors by means of measurement of properties such as band gap energy, flat band potential and kinetics of hole and electron transfer. Photocatalytic Semiconductors: Synthesis, Characterization and Environmental Applications provide an overview of the semiconductor materials from first- to third-generation photocatalysts and their applications in wastewater treatment and water disinfection. The book further presents economic and toxicological aspects in the production and application of photocatalytic materials.

Nanosized Titania Composites for Reinforcement of Photocatalysis and Photoelectrocatalysis

Nanosized Titania Composites for Reinforcement of Photocatalysis and Photoelectrocatalysis PDF Author: Maksym Zahornyi
Publisher: Cambridge Scholars Publishing
ISBN: 1527578992
Category : Science
Languages : en
Pages : 275

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Book Description
This book discusses recent advances in the photocatalytic and electrophotocatalytic applications of titanium dioxide nanocomposites containing polymers and other components. These materials possess photocatalytic, virucidal and antimicrobial efficacy and water and air cleaning abilities against eco-toxicants, and allow water splitting for the generation of chemical fuels. The book considers the ability of nanocomposites’ components to reinforce titania functionality in photocatalysis and photoelectrocatalysis, and presents an overview of their occurrence in nature, their thermodynamic properties, and their toxicity. The volume will be of interest to chemists and material science specialists and practitioners, as well as any reader interested in the recent scientific achievements for green and sustainable development.

Photocatalysts

Photocatalysts PDF Author: Sher Bahadar Khan
Publisher: BoD – Books on Demand
ISBN: 178985475X
Category : Science
Languages : en
Pages : 158

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Book Description
This book enlightens the type, chemical structure, and application of photo-catalysts. It covers the recent developments in photo-catalysts and their applications, particularly in photo-catalytic degradation of different organic pollutants, hydrogen production, etc. It provides a concise but complete coverage and overview of photocatalysts and their recent advances for a broad audience: beginners, graduate students, and specialists in both academic and industrial sectors.

Synthesis, Morpho-structural Characterization and Environmental Application of Titania Photocatalysts Obtained by Rapid Crystallization

Synthesis, Morpho-structural Characterization and Environmental Application of Titania Photocatalysts Obtained by Rapid Crystallization PDF Author: Zsolt Pap
Publisher:
ISBN:
Category :
Languages : en
Pages : 190

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Book Description


Titanium Dioxide (TiO2) and Its Applications

Titanium Dioxide (TiO2) and Its Applications PDF Author: Francesco Parrino
Publisher: Elsevier
ISBN: 0128204346
Category : Technology & Engineering
Languages : en
Pages : 735

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Book Description
Scientific interest in TiO2-based materials has exponentially grown in the last few decades. Titanium Dioxide (TiO2) and Its Applications introduces the main physicochemical properties of TiO2 which are the basis of its applications in various fields. While the basic principles of the TiO2 properties have been the subject of various previous publications, this book is mainly devoted to TiO2 applications. The book includes contributions written by experts from a wide range of disciplines in order to address titanium dioxide's utilization in energy, consumer, materials, devices, and catalytic applications. The various applications identified include: photocatalysis, catalysis, optics, electronics, energy storage and production, ceramics, pigments, cosmetics, sensors, and heat transfer. Titanium Dioxide (TiO2) and Its Applications is suitable for a wide readership in the disciplines of materials science, chemistry, and engineering in both academia and industry. - Includes a wide range of current and emerging applications of titanium dioxide in the fields of energy, consumer applications, materials, and devices - Provides a brief overview of titanium dioxide and its properties, as well as techniques to design, deposit, and study the material - Discusses the relevant properties, preparation methods, and other apposite considerations in each application-focused chapter

Materials Science in Photocatalysis

Materials Science in Photocatalysis PDF Author: Elisa I. Garcia Lopez
Publisher: Elsevier
ISBN: 0128218606
Category : Technology & Engineering
Languages : en
Pages : 688

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Book Description
Materials Science in Photocatalysis provides a complete overview of the different semiconductor materials, from titania to third-generation photocatalysts, examining the increasing complexity and novelty of the materials science in photocatalytic materials. The book describes the most recommended synthesis procedure for each of them and the suitable characterization techniques for determining the optical, structural, morphological, and physical-chemical properties. The most suitable applications of the photocatalysts are described in detail, as well as their environmental applications for wastewater treatment, gaseous effluents depollution, water splitting, CO2 ?xation, selective organic synthesis, coupling reactions, and other selective transformations under both UV light and visible-light irradiation. This book offers a useful reference for a wide audience from students studying chemical engineering and materials chemistry to experienced researchers working on chemical engineering, materials science, materials engineering, environment engineering, nanotechnology, and green chemistry. - Includes a complete overview of the different semiconductor materials used as photocatalysts - Describes methods of preparation and characterization of photocatalysts and their applications - Examines new possibilities to prepare effective photocatalysts

Heterogeneous Photocatalysis

Heterogeneous Photocatalysis PDF Author: Mario J. Muñoz-Batista
Publisher: Springer Nature
ISBN: 3030494926
Category : Science
Languages : en
Pages : 301

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Book Description
The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. The chapter "Mechanochemical Forces as a Synthetic Tool for Zero and One-Dimensional Titanium Oxide-Based Nano-photocatalysts" is available open access under a CC BY 4.0 License via link.springer.com.