S Scheme Heterojunction Photocatalysts

S-scheme Heterojunction Photocatalysts Fundamentals and Applications clearly describes photocatalytic processes and mechanisms, reviews the history of traditional heterojunction, discusses the problems of charge transfer in some heterojunctions, states the necessity in proposing S-scheme photocatalyst, and provides, in detail, the design principles and characterization protocols for the emerging S-scheme heterojunction. Examples of S-scheme heterojunctions classified by material types are summarized, and the book provides a comprehensive discussion on design, fabrication, principle, mechanism, characterization, and application of S-scheme heterojunction photocatalyst. This book provides state-of-art research frontiers in this area that will appeal to experienced researchers and graduate students, as well as research and development scientists in the nanosized-composite-related industry. Provides the latest advances in this topic area, offering insights into the materials and applications of the hybrid materials Helps distinguish correct explanations from invalid ones and clears up historical misunderstandings in the field Provides new perspectives in charge carrier migration Enlightens readers to help them design and develop novel photocatalysts of their own with improved efficiency

Clean environment and green energy are the basic requirements of a sustainable human life. Semiconductor materials play a crucial role in addressing the issues related to increased global energy demand and environmental remediation. The development of photocatalysts has experienced almost exponential progress since their popularization in the early 1970s. Therefore, researchers have started to consider the diversity of photocatalysts globally by approaching this domain from a materials science perspective for applications in various areas. Recently, heterojunction photocatalytic materials have attracted a great amount of multidisciplinary research to face the global concerns of energy production and environmental protection. The unique potential of these technologies has been the stimulus to develop heterojunction photocatalysts with improved structural, morphological, and electronic properties, effectively increasing their efficiency. This book overviews the latest advances in this field, offering insights into the materials and applications of the latest generation of photocatalytic materials. It presents the challenges, future directions, and strategies for design within the area of heterojunction photocatalysts and will be a useful resource to enhance understanding of students, researchers, and academicians for promoting research in this field.

UV-Visible Photocatalysis for Clean Energy Production and Pollution Remediation Comprehensive resource detailing fundamentals of photocatalysis, clean energy production, and pollution treatment, as well as recent developments in each field UV-Visible Photocatalysis for Clean Energy Production and Pollution Remediation: Materials, Reaction Mechanisms, and Applications provides current developments in photocatalytic reactions for both inorganic and organic-based materials which operate under UV-visible light or sunlight irradiation, with a focus on the fundamentals and applications in clean energy production and pollution remediation. The text curates interesting and important research surrounding photocatalysis for hydrogen production, including the fundamentals and photocatalytic remediation of our better environments, which covers the reduction of CO2 and fixation of N2 with H2O under UV-visible light or sunlight irradiation. The first chapter of the book introduces these diverse subjects by including a brief history of the developments of photocatalysis research since around the 1960s. Specific sample topics covered in this book include: Visible-light active photocatalysts in pollutant degradation and conversion with simultaneous hydrogen production Application of S-scheme heterojunction photocatalyst and the role of the defects on the photocatalytic reactions on ZnO Strategies for promoting overall water splitting with particulate photocatalysts via single-step visible-light photoexcitation Polymeric carbon nitride-based materials in aqueous suspensions for water photo-splitting and photo-reforming of biomass aqueous solutions to generate H2 Visible light-responsive TiO2 thin film photocatalysts for the separate evolution of H2 and O2 from water For chemists, scientists, physicists, and engineers across a wide range of disciplines, UV-Visible Photocatalysis for Clean Energy Production and Pollution Remediation is an essential resource for understanding current developments in photocatalytic reactions on both inorganic and organic-based materials which operate under UV-visible light or sunlight irradiation.

This book provides an overview of the latest advances in this field, offering insights into the materials and applications of the latest generation of photocatalytic materials. It presents the challenges, future directions, and strategies for design within the area of heterojunction photocatalysts.

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.

The Handbook of Green and Sustainable Nanotechnology presents sustainable and green technologies for the development of products and processes which are environmental friendly, economically sustainable, safe, energy-efficient, decrease waste and diminish greenhouse gas emissions. It provides the overall spectrum of fundamentals, development and applications of sustainable and green technologies. Topics such as legal, health and safety issues are discussed as well. The book elucidates paths to real time utilization of green and sustainable nanotechnology at commercial scale.

This book investigates applicability of various emerging strategies to improve important properties and features of metal oxide materials that can be used further to advance their photocatalytic and photoelectrochemical performances. The range of discussed strategies includes introduction of intrinsic and extrinsic deficiencies, fabrication of heterojunction and utilizing of metal nanoparticles in the form of deposited or embedded formations. Each of them is addressed as separate case in order to reach full and comprehensive assessment of their most fundamental principles and basics as well as accessing pivotal advantages and disadvantages. Furthermore, additional discussion is dedicated to achieving thorough awareness over methods and experimental protocols that are used to realize them and also probing changes which they induce in electronic and geometrical configurations of metal oxide materials. It is believed that this book might become a valuable addition to extend further current knowledge about photocatalysis and material processing.

Advanced Functional Materials and Methods for Photodegradation of Toxic Pollutants addresses the potential role of visible active photocatalytic methods for the removal of various emerging and persistent organic pollutants (POPs.) Describing the classification, sources and potential risks of emerging organics in water bodies and the environment, the book covers the different synthesis methods of visible active structured photocatalysts and structure related properties to their applications in photocatalytic processes for the removal of antibiotics, pharma and heavy metal pollutants. This book provides an invaluable reference to academics, researchers and technicians in chemical engineering, chemistry and environmental science. In addition, the mechanistic insights associated with the interaction of advanced functional materials and water pollutants along with the possible reaction pathway occurring during the visible light induced photocatalytic processes together with toxicity are discussed in detail along with the reutilization of catalysts, supporting the inherent reaction conditions performed with natural conditions. Covers the recent progress in nano photocatalytic materials Explores the mechanism of photocatalytic degradation of pollutants Includes the controlled synthesis of nanostructured photocatalysts and their modifications for targeted pollutants