Hydrothermal Solvothermal Synthesis Of Hierarchical Titanium Dioxide Photocatalysts For Indoor Air Purification
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Hydrothermal Solvothermal Synthesis Of Hierarchical Titanium Dioxide Photocatalysts For Indoor Air Purification
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Author : Alireza Haghighatmamaghani
language : en
Publisher:
Release Date : 2019
Hydrothermal Solvothermal Synthesis Of Hierarchical Titanium Dioxide Photocatalysts For Indoor Air Purification written by Alireza Haghighatmamaghani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Energy saving policies applied to modern buildings, tighter building envelopes, and decline in outdoor air quality promote the escalation in levels of indoor air pollutants. In recent years, concerns regarding the impact of indoor air quality (IAQ) on human health especially in well-insulated buildings in metropolitans have created a pressing need for reliable air remediation technologies. Heterogeneous ultraviolet photocatalytic oxidation (UV-PCO) has been put forward as an efficient method to ameliorate IAQ via catalytic degradation of harmful organic compounds to benign final products. In this context, developing highly photoactive and durable photocatalysts that can perform satisfactorily under realistic conditions is sought after to expedite UV-PCO systems commercialization. Photocatalyst's performance is a function of several interconnected features: crystallinity, crystal phase and size, surface area, porosity, surface chemistry, light-harvesting ability, exposed facet, and charge-separation efficiency. In this regard, thanks to their unique morphology and multimodal porosity, hierarchical photocatalysts can incorporate high molecular diffusion/transport, superior light harvesting, and large surface area. Template-free hydrothermal/solvothermal route is a green, versatile, and less costly strategy for fabricating hierarchical photocatalysts with controlled characteristics. Taking into account the above-mentioned merits of hierarchical photocatalysts and hydrothermal synthesis method, the core objectives of this research are: 1)Synthesize hierarchically porous titanium dioxide materials with enhanced photoactivity with respect to commercially available photocatalysts (e.g. P25) via hydrothermal method. 2)Explore the complex preparation-property-performance relationships for titanium dioxide photocatalysts utilized in photocatalytic air purification.3)Examine the role of photocatalyst's morphology in photocatalytic degradation by developing several potentially promising structures and assess their performance.4)Investigate the improvement in photocatalytic filter activity and stability with combining hierarchical titanium dioxide with carbonaceous support.. 5)Evaluate the activity of photocatalysts under realistic operating conditions to provide reliable information regarding the capability of UV-PCO air purifiers.To accomplish these goals, a large number of TiO2 photocatalysts are synthesized by systematically varying the hydrothermal preparation parameters (e.g. time, temperature, pressure, pH, solvent, titanium precursor, calcination temperature, etc.). Accordingly, by means of comprehensive characterization, the influence of synthetic methodology on textural, morphological, and crystallographic properties of photocatalysts is investigated. In the last stage, the performance of photocatalyst is evaluated by degradation of two prevalent indoor air pollutants (toluene and methyl ethyl ketone (MEK)) at wide ranges of operating conditions.
Titanium Dioxide
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Author : Dongfang Yang
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-06-27
Titanium Dioxide written by Dongfang Yang and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-27 with Technology & Engineering categories.
Titanium dioxide is currently being used in many industrial products. It provides unique photocatalytic properties for water splitting and purification, bacterial inactivation, and organics degradation. It has also been widely used as the photoanode for dye-sensitized solar cells and coatings for self-cleaning surfaces, biomedical implants, and nanomedicine. This book covers various aspects of titanium dioxide nanomaterials including their unique one-dimensional, two-dimensional, mesoporous, and hierarchical nanostructures and their synthetic methods such as sol-gel, hydrothermal, anodic oxidation, and electrophoretic deposition, as well as its key applications in environmental and energy sectors. Through these 24 chapters written by experts from the international scientific community, readers will have access to a comprehensive overview of the recent research and development findings on the titanium dioxide nanomaterials.
Titanium Dioxide
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Author : Magdalena Janus
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-07-26
Titanium Dioxide written by Magdalena Janus and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-26 with Science categories.
Titanium dioxide is mainly used as a pigment and photocatalyst. It is possible to find it in food, cosmetics, building materials, electric devices, and others. This book contains chapters about characteristics of anatase and rutile crystallographic structure of titanium dioxide and the use of theoretical calculation for photoactivity determination.
Application Of Titanium Dioxide Photocatalysis To Construction Materials
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Author : Yoshihiko Ohama
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-12
Application Of Titanium Dioxide Photocatalysis To Construction Materials written by Yoshihiko Ohama and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-12 with Technology & Engineering categories.
Titanium dioxide photocatalysis is based on the semiconducting nature of its anatase crystal type. Construction materials with titanium photocatalyst show performances of air purification, self-cleaning, water purification, antibacterial action. This book describes principles of titanium dioxide photocatalysis, its applications to cementitious and noncementitious materials, as well as an overview of standardization of testing methods.
Nanostructured Photocatalysts
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Author : Hiromi Yamashita
language : en
Publisher: Springer
Release Date : 2016-05-03
Nanostructured Photocatalysts written by Hiromi Yamashita and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-03 with Science categories.
While books on semiconductor TiO2 photocatalysis are legion, nanostructured controlled photocatalysts are attractive beyond standard semiconductors, and this book is devoted to the many novel uses of advanced TiO2 and MOF-based photocatalysts. Details on synthesis, characterization, and reaction applications of nanostructured photocatalysts are summarized. Other new materials discussed in this book are Bi- W- oxides, metal complexes, and unique porous materials. This book contains methods of preparation and characterization of unique nanostructured photocatalysts, and details about their catalytic action. Contributors to this volume are leading Asian researchers in Photocatalysis. It will appeal to researchers wishing to know how to design new types of photocatalysts with controlled nanostructures.
Hierarchical Nanostructures For Energy Devices
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Author : Seung H Ko
language : en
Publisher: Royal Society of Chemistry
Release Date : 2014-10-29
Hierarchical Nanostructures For Energy Devices written by Seung H Ko and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-29 with Science categories.
Surface area has a directly relationship with the efficiency of energy devices. Hierarchical nanostructuring has the potential to greatly increase surface area, and their electrical properties are favourable, not only to energy generation and storage, but also energy-consuming electronic circuits. This book provides systematic coverage of how nanostructured materials can be applied to energy devices, with an emphasis on the process of generation to storage and consumption. The fundamentals (including properties, characterisation and synthesis) are clearly presented across the first chapters of the book, providing readers new to the field with a clear overview of this expanding topic. The detailed discussion of applications will be an inspiration to those already well-versed in the field. The editors have more than a decade of experience in working on all aspects of energy generation and storage - in academia, national laboratories and industry. The book presents a balanced view from all sectors and is presented in a format accessible by postgraduate students and professional researchers alike.
Titanium Dioxide Nanomaterials Volume 1352
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Author : Xiaobo Chen
language : en
Publisher: Materials Research Society
Release Date : 2011-11-28
Titanium Dioxide Nanomaterials Volume 1352 written by Xiaobo Chen and has been published by Materials Research Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11-28 with Technology & Engineering categories.
Titanium dioxide nanomaterials have been showing very promising applications in many fields. Scientists from all over the world have gathered together to discuss the most recent advances in areas spanning from theoretical calculations to fundamental surface science and to materials fabrication, characterization and practical exploitation. More than 160 papers, presentations and posters, were accepted in Symposium GG, "Titanium Dioxide Nanomaterials," at the 2011 MRS Spring Meeting held April 25-29 in San Francisco, California. In this volume are some of the selected papers which cover the synthesis, properties, and applications of titanium dioxide nanomaterials.
Handbook Of Hydrothermal Technology
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Author : K. Byrappa
language : en
Publisher: William Andrew
Release Date : 2012-12-31
Handbook Of Hydrothermal Technology written by K. Byrappa and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-31 with Science categories.
Quartz, zeolites, gemstones, perovskite type oxides, ferrite, carbon allotropes, complex coordinated compounds and many more -- all products now being produced using hydrothermal technology. Handbook of Hydrothermal Technology brings together the latest techniques in this rapidly advancing field in one exceptionally useful, long-needed volume.The handbook provides a single source for understanding how aqueous solvents or mineralizers work under temperature and pressure to dissolve and recrystallize normally insoluble materials, and decompose or recycle any waste material. The result, as the authors show in the book, is technologically the most efficient method in crystal growth, materials processing, and waste treatment. The book gives scientists and technologists an overview of the entire subject including: À Evolution of the technology from geology to widespread industrial use. À Descriptions of equipment used in the process and how it works.À Problems involved with the growth of crystals, processing of technological materials, environmental and safety issues.À Analysis of the direction of today's technology. In addition, readers get a close look at the hydrothermal synthesis of zeolites, fluorides, sulfides, tungstates, and molybdates, as well as native elements and simple oxides. Delving into the commercial production of various types, the authors clarify the effects of temperature, pressure, solvents, and various other chemical components on the hydrothermal processes. Gives an overview of the evolution of Hydrothermal Technology from geology to widespread industrial use Describes the equipment used in the process and how it works Discusses problems involved with the growth of crystals, processing of technological materials, and environmental and safety issues
Tio2 Photocatalysis
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Author : Akira Fujishima
language : en
Publisher:
Release Date : 1999
Tio2 Photocatalysis written by Akira Fujishima and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Photocatalysis categories.
Photocatalytic Functional Materials For Environmental Remediation
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Author : Alagarsamy Pandikumar
language : en
Publisher: John Wiley & Sons
Release Date : 2019-07-11
Photocatalytic Functional Materials For Environmental Remediation written by Alagarsamy Pandikumar and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-11 with Science categories.
A comprehensive volume on photocatalytic functional materials for environmental remediation As the need for removing large amounts of pollution and contamination in air, soil, and water grows, emerging technologies in the field of environmental remediation are of increasing importance. The use of photocatalysis—a green technology with enormous potential to resolve the issues related to environmental pollution—breaks down toxic organic compounds to mineralized products such as carbon dioxide and water. Due to their high performance, ease of fabrication, long-term stability, and low manufacturing costs, photofunctional materials constructed from nanocomposite materials hold great potential for environmental remediation. Photocatalytic Functional Materials for Environmental Remediation examines the development of high performance photofunctional materials for the treatment of environmental pollutants. This timely volume assembles and reviews a broad range of ideas from leading experts in fields of chemistry, physics, nanotechnology, materials science, and engineering. Precise, up-to-date chapters cover both the fundamentals and applications of photocatalytic functional materials. Semiconductor-metal nanocomposites, layered double hydroxides, metal-organic frameworks, polymer nanocomposites, and other photofunctional materials are examined in applications such as carbon dioxide reduction and organic pollutant degradation. Providing interdisciplinary focus to green technology materials for the treatment of environmental pollutants, this important work: Provides comprehensive coverage of various photocatalytic materials for environmental remediation useful for researchers and developers Encompasses both fundamental concepts and applied technology in the field Focuses on novel design and application of photocatalytic materials used for the removal of environmental contaminates and pollution Offers in-depth examination of highly topical green-technology solutions Presents an interdisciplinary approach to environmental remediation Photocatalytic Functional Materials for Environmental Remediation is a vital resource for researchers, engineers, and graduate students in the multi-disciplinary areas of chemistry, physics, nanotechnology, environmental science, materials science, and engineering related to photocatalytic environmental remediation.