Download or read book Optimizing photocatalysts and photoreactors for solar fuel synthesis written by Kant, Paul Philipp and published by KIT Scientific Publishing. This book was released on 2023-12-28 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work represents a toolbox for the design of a highly efficient photocatalytic process for solar-driven synthesis. The focus is the optimization of photoreactors and photocatalysts. The described photoreactor design strategy is based on numerical methods mapping radiation transport and additive manufacturing delivering prototypes. The photocatalyst engineering is based on suitable photocatalyst support strategies and a method for the determination of the quantum yield in photoreactions.
Download or read book Photoelectrochemistry Photocatalysis and Photoreactors Fundamentals and Developments written by Mario Schiavello and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 631 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book collects the lectures delivered by the Authors during the NATO ASI "Fundamentals and Developments of Photocatalytic and Photoelectrochemical Processes", held in Erice (Trapani, Italy) from May 20th to June 2nd 1984. The ASI was devoted to the general field of photochemical conversion and storage of solar energy. It had the aim of defining the "state of art" and of outlining perspectives, lines of development and practic al utilization of this form of energy. The world energy crisis has stimulated scientists to investigate new routes for finding and testing methods and processes for obtaining renewable and cheap sources of energy. Within this framework, the possibility of solar energy utilization on a large scale must overcome the stage of discovering efficient processes for the photochemical conversion and for the storage. The most promising way for achieving this goal seems the photosplitting of water and related reactions. The methods for obtaining the water photosplitting are essentially based on photoelectrochemical cells and on photocatalytic systems (gas-solid and gas-liquid-solid). Extensive research work is currently done all over the world both in universities and in industrial laboratories in these areas. The ASI has given to the audience a general view of the fundamental aspects and as much as possible a detailed insight of the various methods and processes. A section has been also devoted to the photoreactors, a field in which the interest is ix x FOREWORD steadily increasing and whose development is essential for the practical exploitation of the various methods.
Download or read book Semiconductor Solar Photocatalysts written by Jiaguo Yu and published by John Wiley & Sons. This book was released on 2022-03-14 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a timely overview of basic principles and significant advances of semiconductor-based photocatalysts for solar energy conversion Semiconductor Solar Photocatalysts: Fundamentals and Applications presents a systematic, in-depth summary of both fundamental and cutting-edge research in novel photocatalytic systems. Focusing on photocatalysts with vast potential for efficient utilization of solar energy, this up-to-date volume covers heterojunction systems, graphene-based photocatalysts, organic semiconductor photocatalysts, metal sulfide semiconductor photocatalysts, and graphitic carbon nitride-based photocatalysts. Organized into six chapters, the text opens with a detailed introduction to the history, design principles, modification strategies, and performance evaluation methods of solar energy photocatalysis. The remaining chapters provide detailed discussion of various novel photocatalytic systems such as direct Z-scheme and S-scheme photocatalysts, organic polymers, and covalent organic frameworks. This authoritative resource: Explains the essential concepts of solar energy photocatalysis and heterojunction systems for photocatalysis Reviews interesting structures and new applications of semiconductor photocatalysts Features contributions from an international panel of leading researchers in the field Includes extensive references and numerous tables, figures, and color illustrations Semiconductor Solar Photocatalysts: Fundamentals and Applications is valuable resource for all catalytic chemists, materials scientists, inorganic and physical chemists, chemical engineers, and physicists working in the semiconductor industry.
Download or read book Solar to Chemical Conversion written by Hongqi Sun and published by John Wiley & Sons. This book was released on 2021-04-29 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book systematically covers the fundamentals in solar energy conversion to chemicals, either fuels or chemical products. It includes natural photosynthesis with emphasis on artificial processes for solar energy conversion and utilization. The chemical processes of solar energy conversion via homogeneous and/or heterogeneous photocatalysis has been described with the mechanistic insights. It also consists of reaction systems toward a variety of applications, such as water splitting for hydrogen or oxygen evolution, photocatalytic CO2 reduction to fuels, and light driven N2 fixation, etc. This unique book offers the readers a broad view of solar energy utilization based on chemical processes and their perspectives for future sustainability.
Download or read book Molecular Solar Fuels written by Thomas J Wydrzynski and published by Royal Society of Chemistry. This book was released on 2011-12-07 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: World demand for energy is rapidly increasing and finding sufficient supplies of clean energy for the future is one of the major scientific challenges of today. This book presents the latest knowledge and chemical prospects in developing hydrogen as a solar fuel. Using oxygenic photosynthesis and hydrogenase enzymes for bio-inspiration, it explores strategies for developing photocatalysts to produce a molecular solar fuel. The book begins with perspective of solar energy utilization and the role that synthetic photocatalysts can play in producing solar fuels. It then summarizes current knowledge with respect to light capture, photochemical conversion, and energy storage in chemical bonds. Following chapters on the natural systems, the book then summarizes the latest developments in synthetic chemistry of photo- and reductive catalysts. Finally, important future research goals for the practical utilization of solar energy are discussed. The book is written by experts from various fields working on the biological and synthetic chemical side of molecular solar fuels to facilitate advancement in this area of research.
Download or read book Investigation into High Efficiency Visible Light Photocatalysts for Water Reduction and Oxidation written by David James Martin and published by Springer. This book was released on 2015-05-14 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes novel strategies for the rational design of several cutting-edge high-efficiency photocatalysts, for applications such as water photooxidation, reduction, and overall splitting using a Z-Scheme system. As such, it focuses on efficient strategies for reducing energy loss by controlling charge transfer and separation, including novel faceted forms of silver phosphate for water photooxidation at record high rates, surface-basic highly polymerised graphitic carbon nitride for extremely efficient hydrogen production, and the first example of overall water splitting using a graphitic carbon nitride-based Z-Scheme system. Photocatalytic water splitting using solar irradiation can potentially offer a zero-carbon renewable energy source, yielding hydrogen and oxygen as clean products. These two ‘solar’ products can be used directly in fuel cells or combustion to provide clean electricity or other energy. Alternatively they can be utilised as separate entities for feedstock-based reactions, and are considered to be the two cornerstones of hydrogenation and oxidation reactions, including the production of methanol as a safe/portable fuel, or conventional catalytic reactions such as Fischer-Tropsch synthesis and ethylene oxide production. The main driving force behind the investigation is the fact that no photocatalyst system has yet reported combined high efficiency, high stability, and cost effectiveness; though cheap and stable, most suffer from low efficiency.
Download or read book Photocatalysis written by Suresh C. Pillai and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-08-23 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a concise and up-to-date introduction to the topic of photocatalysis. It covers the fundamentals of photocatalysis, design of photoreactors and modelling and simulations for photoreaction. Also, industrial applications such as hydrogen production, water disinfection, degradation of air pollutants, pesticides and pharmaceuticals are described.
Download or read book Nanostructured Photocatalysts written by Rabah Boukherroub and published by Elsevier. This book was released on 2020-06-06 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Photocatalysts: From Materials to Applications in Solar Fuels and Environmental Remediation addresses the different properties of nanomaterials-based heterogeneous photocatalysis. Heterogeneous nanostructured photocatalysis represents an interesting and viable technique to address issues of climate change and global energy supply. Sustainable hydrogen (H2) fuel production from water via semiconductor photocatalysis, driven by solar energy, is regarded as a viable and sustainable solution to address increasing energy and environmental issues. Similarly, photocatalytic reduction of CO2 with water for the production of hydrocarbons could also be a viable solution. Sections cover band gap tuning, high surface area, the short diffusion path of carriers, and more. - Introduces the utilization of nanostructured materials in heterogeneous photocatalysis for hydrogen fuel production via water splitting - Explains preparation techniques for different nanomaterials and hybrid nanocomposites, enabling improved sunlight absorption efficiency and enhanced charge separation - Assesses the challenges that need to be addressed before this technology can be practically implemented, particularly of identifying cost-effective nanophotocatalysts
Download or read book Boron Nitride Photocatalysts for Solar Fuel Synthesis written by Ravi Balasubramanian Shankar and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Visible Light Active Photocatalysis written by Srabanti Ghosh and published by John Wiley & Sons. This book was released on 2018-06-11 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and timely overview of this important and hot topic, with special emphasis placed on environmental applications and the potential for solar light harvesting. Following introductory chapters on environmental photocatalysis, water splitting, and applications in synthetic chemistry, further chapters focus on the synthesis and design of photocatalysts, solar energy conversion, and such environmental aspects as the removal of water pollutants, photocatalytic conversion of CO2. Besides metal oxide-based photocatalysts, the authors cover other relevant material classes including carbon-based nanomaterials and novel hybrid materials. Chapters on mechanistic aspects, computational modeling of photocatalysis and Challenges and perspectives of solar reactor design for industrial applications complete this unique survey of the subject. With its in-depth discussions ranging from a comprehensive understanding to the engineering of materials and applied devices, this is an invaluable resource for a range of disciplines.
Download or read book Solar Fuels and Photocatalysts 4 written by N. Wu and published by The Electrochemical Society. This book was released on 2015-04-30 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Green Photocatalysts for Energy and Environmental Process written by Saravanan Rajendran and published by Springer Nature. This book was released on 2019-09-04 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes green photocatalysts and their diverse applications in the fields of environmental sciences and energy. It especially takes a closer look at the removal of air and water pollutants, the generation of hydrogen, photo fuel cells, electrophotocatalysts, solar energy conversions, and green biophotocatalysts. Furthermore it also discusses on the role of catalysts along with their chemical reactions, challenges, past developments and directions for further research on photocatalysts. It includes recent developments of quantum dots (QDs) and photocatalytic applications of QDs such as carbon materials like carbon and graphene based QDs, metal, metal sulfide and metal oxide based QDs as well as a detailed review on various types of templates used for the preparation of porous g-C3N4 and its applications in detail. This is done with special reference to dye degradation, reduction of hexavalent Cr, and reduction of CO2 and for the evolution of H2 photocatalytically. This book offers an intriguing and useful guide for a broad readership in various fields of catalysis, material sciences, environment and energy.
Download or read book Inorganic Metal Oxide Nanocrystal Photocatalysts for Solar Fuel Generation from Water written by Troy K. Townsend and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Realizing a method for converting sunlight to renewable fuel may be one of the most important challenges of the century. Water splitting to hydrogen and oxygen gaseous fuels can be powered by the sun using light absorbing catalysts. In the pursuit of cheap, active, and stable catalysts, this dissertation focuses on inorganic metal oxide semiconductor nanocrystals for solar water splitting including their synthesis, characterization and reactivity. The results from this collection of investigations have shed light on the properties of nanomaterials and their light-driven water reduction and oxidation reactions. Chapter 2 shows the effect of cocatalyst deposition onto wide band gap UV-absorbing asymmetric nanoscale niobium oxide crystals. With spatial charge separation in mind, platinum (an electron acceptor and water reducer) and iridium dioxide (a hole scavenger and known water oxidizer) were photodeposited onto H4Nb6O17 crystals to achieve complete water reduction and incomplete water oxidation. In this case, the water oxidation reaction was shown to be confined to a surface-bound peroxide intermediate. Chapter 3 transitions into narrow band gap visible light absorbing Fe2O3 nanocrystal water oxidation catalysts. These materials were synthesized, characterized, visualized with high resolution transmission electron microscopy (HRTEM) and tested for their photocatalytic activity under visible light irradiation while in the presence of aqueous AgNO3, a sacrificial reagent. Chapter 4 describes efforts to advance toward a complete nanoscale water splitting catalyst without reliance on sacrificial reagents. In this case, both half reactions proceed and hydrogen and oxygen are evolved from the solution. Nanoscale SrTiO3 (6.5 nm and 30 nm) was loaded with NiOx and properties were compared with bulk SrTiO3 to elucidate the effects of nanoscaling. Chapter 5 outlines the photogenerated electron/hole pathway in NiOx-STO by specifically loading nickel oxide and/or nickel metal cocatalysts onto bulk SrTiO3 crystals. These materials were tested for water splitting from pure water, and surface photovoltage / electrochemical measurements showed evidence of electron trapping in nickel and hole trapping in nickel oxide, giving rise to a three-component complete water splitter.
Download or read book Multifunctional Photocatalytic Materials for Energy written by Zhiqun Lin and published by Woodhead Publishing. This book was released on 2018-03-19 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multifunctional Photocatalytic Materials for Energy discusses recent developments in multifunctional photocatalytic materials, such as semiconductors, quantum dots, carbon nanotubes and graphene, with an emphasis on their novel properties and synthesis strategies and discussions of their fundamental principles and applicational achievements in energy fields, for example, hydrogen generation from water splitting, CO2 reduction to hydrocarbon fuels, degradation of organic pollutions and solar cells. This book serves as a valuable reference book for researchers, but is also an instructive text for undergraduate and postgraduate students who want to learn about multifunctional photocatalytic materials to stimulate their interests in designing and creating advanced materials. - Covers all aspects of recent developments in multifunctional photocatalytic materials - Provides fundamental understanding of the structure, properties and energy applications of these materials - Contains contributions from leading international experts in the field working in multidisciplinary subject areas - Focuses on advanced applications and future research advancements, such as graphene-based nanomaterials and multi-hybrid nanocomposites - Presents a valuable reference for researchers and students that stimulates interest in designing advanced materials for renewable energy resources
Download or read book Advanced Oxidation Processes written by Ciro Bustillo-Lecompte and published by BoD – Books on Demand. This book was released on 2020-06-10 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Oxidation Processes – Applications, Trends, and Prospects constitutes a comprehensive resource for civil, chemical, and environmental engineers researching in the field of water and wastewater treatment. The book covers the fundamentals, applications, and future work in Advanced Oxidation Processes (AOPs) as an attractive alternative and a complementary treatment option to conventional methods. This book also presents state-of-the-art research on AOPs and heterogeneous catalysis while covering recent progress and trends, including the application of AOPs at the laboratory, pilot, or industrial scale, the combination of AOPs with other technologies, hybrid processes, process intensification, reactor design, scale-up, and optimization. The book is divided into four sections: Introduction to Advanced Oxidation Processes, General Concepts of Heterogeneous Catalysis, Fenton and Ferrate in Wastewater Treatment, and Industrial Applications, Trends, and Prospects.
Download or read book Preparation and Optimization of Novel Visible Light Active Photocatalysts for Waste Water Treatment written by Rong Ran and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photo Driven Seawater Splitting for Hydrogen Production written by Xiao-Yu Yang and published by Springer Nature. This book was released on 2023-04-29 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents photo-driven seawater splitting technologies for hydrogen production. This technology is considered as a win–win interplay for both the utilization of solar energy as the most renewable energy and seawater as the most hydrogen source. The book also discusses topics from raw materials selection, characterization and mechanistic insights to the latest research developments in response to the need for environmentally friendly and low-carbon industries. In addition, it provides insights into a most attractive energy-conversion and storage cascade by combining solar energy and a hydrogen system. Given its scope, this book appeals to a broad readership, particularly professionals at universities and scientific research institutes, as well as practitioners in industry.
