Heterogeneous Nanocomposite Photocatalysis For Water Purification

In Heterogeneous Nanocomposite-Photocatalysis for Water Purification, the authors introduce various heterogeneous photocatalysts based on novel nanostructures of metal oxide semiconductors and graphene used for water purification, including TiO2, Fe2O3, SnO2, WO3 and g-C3N4, and outlines their advantages and drawbacks. The nanocomposite-photocatalysts ZnO and CdS are compared with reduced graphene oxide (rGO), a rapidly growing materials system. The authors describe how the photocatalytic activity of known nanomaterials can be improved by modifying the structural and optical properties (i.e., phase composition). Introductory portion of the book includes a brief survey of all different kinds of heterogeneous photocatalysts Discusses the possible photocatalysis mechanism occurring during the degradation of different toxic pollutants Provides the photoelectrochemical measurement for synthesized catalysts, supporting the effective transportation of photoelectrons resulting into better catalytic properties

Heterostructured Photocatalysts for Solar Energy Conversion provides a comprehensive description of novel z-scheme hybrid materials based on metal oxide or chalcogenides-based semiconductor, or carbon-based nanomaterials (conducting polymers, graphene, and other carbon materials). The book explores energy conversion applications, such as hydrogen generation, water splitting, CO2 reduction or degradation of organic pollutants, and their associated new material and technology development. The book addresses a variety of topics, such as photochemical processes, materials and fabrication, degradation mechanisms, as well as challenges and strategies. The book includes in-depth discussions ranging from comprehensive understanding, to engineering of materials and applied devices. The concept of visible light active catalysis emerged in recent decades and continues to attract the scientific community. Driven primarily by an opportunity to develop novel multifunctional materials on one hand, and sustainable technologies on the other, several successful approaches have been explored. However, preparation, characterization, and application of visible light active Z-scheme heterojunction-based catalytic nanostructures are still at the foreground of research activity. Provides an overview on recently developed Z-scheme photocatalysts to stress their performance as catalysts Covers most of the important topics in photocatalysis Explores the most recent advances in synthesis to enable deeper understanding of the principles underlying electronic behavior of catalytic nanostructures, mechanistic details, and the evaluation of their effectiveness, as well as perspectives in solar light harvesting Serves as a valuable resource for better understanding of the current state of photocatalysis research and its possible applications in energy domain

Metal Oxide-Based Photocatalysis: Fundamentals and Prospects for Application explains the principles and fundamentals of metal oxide-based photocatalysis and the requirements necessary for their use in photocatalysis. It also discusses preparation methods for photocatalysis, and the advantages, disadvantages and achievements of the most important metal oxides (TiO2, ZnO, Fe2O3, Ta2O3, CuO, NiO, Cr2O3, RuO2, etc.). The book concludes with the most important photocatalytic applications and an overview of the future. Applications are organized by potential needs and solutions, addressing such areas as water treatment, hydrogen production, air treatment, chemical synthesis, and applications in medicine and construction. Provides coverage of applications, presenting needs and solutions Covers essential applications, such as water treatment, hydrogen production, air depollution, medical applications, and much more Includes the characterization of the most important metal oxides used in heterogeneous photocatalysis

This book discusses the fundamental, synthesis, properties, physico-chemical characterizations and applications of recently explored nanocomposite materials. It covers the applications of these different nanocomposite materials in the environmental and energy harvesting fields. The chapters explore the different techniques used for preparation and characterization of several types of nanocomposite materials for applications related to environmental and energy pathways. This book presents a panorama of current research in the field of nanocomposite structures for different applications. It also assesses the advantages and disadvantages of using different types of nanocomposite in the design of different material products. The comprehensive chapters explain the interactions between nanocomposite materials and mechanisms related to applications in environmental pollution and energy shortage.

Current Trends and Future Developments on (Bio-) Membranes: Photocatalytic Membranes and Photocatalytic Membrane Reactors offers a comprehensive review on the state-of-the-art in the area of PMs and PMRs. The book gives an overview of the basis of photocatalysis and membrane separation and the basic aspects of photocatalytic membranes and photocatalytic membrane reactors, along with their applications, modeling, and the economic aspects of PMs and PMRs. The book addresses the main issues associated with PMRs design and tries to predict how long it will be before laboratory scale models can be scaled to the PMR industry. Reviews new hybrid separation techniques based on photocatalysis and membranes Offers a detailed description of the various photocatalytic membrane reactors and their function Includes new membrane based separation techniques for the removal of emerging contaminants from water, such as pharmaceutical and personal care products Discusses numerous reactor configurations and various membrane materials for photocatalytic membranes Includes the modeling and economic aspects of various processes

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 is a printed edition of the Special Issue "ZnO and TiO₂ Based Nanostructures" that was published in Nanomaterials