Photocatalysts

This book describes the photocatalytic mechanism, factors affecting photocatalytic activity, design and preparation of different kinds of nanostructured photocatalysts, and their applications in the environmental and energy fields. Further, it illustrates a broad range of modification methods including ion-doping, heterojunction, noble metal deposition, morphological control and sensitizations, which are used to extend the light absorption range of photocatalysts and reduce recombination between electrons and holes. Promising applications include water splitting, contaminant decomposition and photocatalytic reduction of CO2, which are closely related to environmental redemption and new energy development. The book offers an intriguing and useful guide for a broad readership in various fields of catalysis, material sciences, environment and energy.

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.

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.

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.

Nanostructured Photocatalysts: From Fundamental to Practical Applications offers a good opportunity for academic, industrial researchers and engineers to gain insights on the fundamental principles and updated knowledge on the engineering aspects and various practical applications of photocatalysis. This book comprehensively and systematically reviews photocatalytic fundamental aspects, ranging from reaction mechanism, kinetic modeling, nanocatalyst synthesis and design, essential material characterization using advanced techniques, and novel reactor design and scale-up. Future perspectives, techno-economical evaluation and lifecycle assessment of photocatalytic processes are also provided. Finally, a wide range of practical, important and emerging photocatalytic applications, namely wastewater treatment, air pollution remediation, renewable and green energy generation, and vital chemical production are thoroughly covered, making this book useful and beneficial for engineers, scientists, academic researchers, undergraduates and postgraduates. Provides a fundamental understanding of photocatalysis Covers all aspects of recent developments in photocatalytic processes and photocatalytic materials Focuses on advanced photocatalytic applications and future research advancements on energy, environment, biomedical, and other specialty fields Contains contributions from leading international experts in photocatalysis Presents a valuable reference for academic and industrial researchers, scientists and engineers

This book presents advanced photocatalytic technologies for wastewater treatment. The fabrication, surface modification, roles and mechanisms of green catalysts are detailed. The catalysts include nanostructured catalysts, semiconductors, metal and non-metal doped catalysts, surface plasmon materials, graphene oxide-based materials, polymer-based composite materials, heterogenous type I and type II catalysts.

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

Comprehensive resource describing the fundamentals, synthesis, and commercial applications of photocatalysts and electrocatalysts in water decontamination Photocatalysts and Electrocatalysts in Water Remediation introduces the fundamentals of both photo- and electro-catalysts and highlights the potentials of photo- and electro-catalysis towards water decontamination, covering strategies to improve photo- and electro-catalytic efficacies, functions of photo- and electro-catalysts and involved chemical reactions, and challenges and recent developments in the field, with additional discussion of both lab-scale and commercial-scale materials and processes. As a forward-thinking resource, the text also discusses the scope of further research on photo-, electro- and electrophoto-catalysts. Edited by three highly qualified professionals, with significant experience in the field, the text is further enriched with critically analyzed and expertly opined contributions from several well-known researchers around the world. In Photocatalysts and Electrocatalysts in Water Remediation, readers can expect to find information on: Fundamentals and functional mechanisms of photocatalysis in water treatment and different synthetic routes and band gap engineering of photocatalysts Photocatalytic decontamination of organic pollutants from water and photocatalytic removal of heavy metal ions from water Smart photocatalysts in water remediation Fundamentals and functional mechanisms of electrocatalysis in water treatment Electrocatalytic degradation of organic pollutants and removal of heavy metal ions from water Different synthetic routes of electrocatalysts and fabrication of electrodes and combined electro-photocatalytic techniques in water remediation Photocatalysts and Electrocatalysts in Water Remediation serves as one of the most comprehensive and authoritative literature that has ever been published in this field and is a thoroughly complete source of information on the subject for researchers across a myriad of disciplines along with water industry professionals.