♥ Book Title : Nanostructured Photocatalysts
☯ Full Synopsis : "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."Article| Hiromi Yamashita| Statement ..."
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♥ Book Title : Nanostructured Photocatalysts
☯ Full Synopsis : "Nanostructured Photocatalysts considers various aspects of Photocatalysts including an extensive historical overview of Photocatalysts and related terms. It includes introduction to photocatalysts, characteristics of nanostructured photocatalysts, advances in photocatalytic materials for co2 reduction applications. Provides the reader with insights into the development of its history, so as to understand the Metal-Organic Frameworks (MOFS) for efficient photocatalytic systems and provide the details about its applications."Article| Jurex Cuenca Gallo| Statement ..."
♥ Book Title : Visible-Light-Active Photocatalysis
☯ Full Synopsis : "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."Article| Srabanti Ghosh| Statement ..."
♥ Book Title : Photochemical Charge Transfer in Nanostructured Photocatalysts for Solar Hydrogen Production
☯ Full Synopsis : "Solar energy is a promising sustainable energy source to reduce greenhouse gas emission from combustion of fossil fuels and slow down the global climate change. Solar hydrogen generation via photocatalytic water splitting is potentially the most cost-effective way to produce solar fuels, so the development of efficient photocatalysts is one of the most important targets for scientific research. However, the application of inorganic materials for solar water splitting is currently limited by our understanding of photochemical charge transfer on the nanoscale, where space charge layers are less effective for carrier separation. Therefore, this dissertation focuses on the preparation of well-defined photocatalysts for the water splitting reaction and on the characterization of photochemical charge transfer on their interfaces. This will be accomplished through the application of surface photovoltage and photoelectrochemical measurements, and with photocatalytic reactivity tests. Results from this study can guide the design of inorganic photocatalysts with improved efficiency for solar energy conversion into fuel. Chapter 2 describes surface photovoltage spectroscopy studies to measure the internal photovoltages in a hydrogen evolution photocatalyst, single crystalline platinum/ruthenium-modified Rh-doped SrTiO3 nanocrystals. Voltages of -0.88 V and -1.13 V are found between the light absorber and the Ru and Pt cocatalysts, respectively, and a voltage of -1.48 V for a Rh-doped SrTiO3 film on an Au substrate. The voltages shows that the Pt and Ru cocatalysts not only improve the redox kinetics but also aid charge separation in the absorber. The voltages with redox agents correlate well with the photocatalytic performance of the catalyst and are influenced by the built-in potentials of the donor-acceptor configurations, the physical separation of donors and acceptors, and the reversibility of the redox reaction. The photovoltage data also allow the identification of a photosynthetic system for hydrogen evolution (80 [mu]mol·g−11h−1) under visible light illumination (>400 nm) from 0.05 M aqueous K4[Fe(CN)6]. Chapter 3 shows that suspended p-Si nanowires obtained by etching of an Al-doped silicon wafer facilitate photochemical hydrogen evolution under visible light. The activity varies greatly between sacrificial donors and can be increased by attachment of MoS2 cocatalysts, which promote proton reduction and charge transfer at the silicon-MoS2 interface. Overall, the activity of suspended p-Si nanorods is limited by the stability of the material in neutral solutions. A basic or neutral environment with photo-excitation can lead to silicon corrosion. In 0.05 M ferrocyanide at pH 6.5, the hydrogen evolution rate for SiNW/MoS2 was as high as 106 [mu]mol (10mg)−1 h−1 accompanied by silicon corrosion. The rate without corrosion decreased to 0.64 [mu]mol (10mg)−1 h−1 at a lower pH of 4.7. With silicon corrosion, the rate also reached 117 [mu]mol (10mg)−1 h−1 in pH 6.5 0.05 M Na2SO3 solution and 678 [mu]mol (10mg)−1 h−1 in 0.1 M NaSH without pH control. Silicon corrosion was not found in formaldehyde and methanol solutions, but the rates of SiNW/MoS2 and SiNW were as low as 0.40 and 0.18 [mu]mol (10mg)−1 h−1 for methanol solution, and 0.71 and 0.27 [mu]mol (10mg)−1 h−1 for formaldehyde solution. The increased hydrogen evolution with silicon corrosion can be attributed to both electron donating of silicon and reduced charge transfer resistivity with the dissolution of surface oxide layer on silicon nanowires. These findings can improve the understanding of photochemistry of Si-MoS2 catalyst, and help avoiding silicon corrosion in photocatalysis."Article| Jiarui Wang| Statement ..."
♥ Book Title : Photocatalysis
☯ Full Synopsis : "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."Article| Jinlong Zhang| Statement ..."
♥ Book Title : Nanoscience
☯ Full Synopsis : "This volume will present critical and comphrehensive reviews examining the latest research and developments in nanoscience in accessible articles. Quantum dot synthesis, soft lithography and graphene will feature in the debut volume, along with perspectives on research in China and India."Article| P O'Brien| Statement ..."
♥ Book Title : Comprehensive Nanoscience and Technology
☯ Full Synopsis : "From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other."Article| no defined| Statement ..."
♥ Book Title : Nanophotocatalysis and Environmental Applications
☯ Full Synopsis : "This book serves the environmentalists to track the development of photocatalytic materials and technology in the present context and to explore future trends. Photocatalysis is the most influential greener technology being researched, developed and adopted for the treatment of wastewater. The technological advancements in the area of smart hybrid photocatalytic materials have gained momentum in the present era. The rational designing of photocatalytic materials with a multi-pronged approach opens a new chapter for environmental detoxification. Other important aspects relate to the transfer of this nanostructured photocatalytic technology to real backdrops. Harnessing natural solar energy for energy and environmental roles is another crucial criterion in designing photocatalysts."Article| Inamuddin| Statement ..."
♥ Book Title : Environmentally Benign Photocatalysts
☯ Full Synopsis : "Over the past few decades, mankind has observed an unprecedented and remarkable growth in industry, resulting in a more prosperous lifestyle for peoples of many countries. In developing countries, however, explosive industrial growth is just now beginning to raise the living standards of the people. Most industries, especially in these developing countries, are still powered by the burning of fossil fuels; con- quently, a lack of clean energy resources has caused environmental pollution on an unprecedented large and global scale. Toxic wastes have been relentlessly released into the air and water leading to serious and devastating environmental and health problems while endangering the planet and life itself with the effects of global warming. To address these urgent environmental issues, new catalytic and photocatalytic processes as well as open-atmospheric systems are presently being developed that can operate at room temperature while being totally clean and ef?cient and thus environmentally harmonious. Essential to technologies harnessing the abundant solar energy that reaches the earth are the highly functional photocatalytic proce- es that can utilize not only UV light, but also visible light."Article| Masakazu Anpo| Statement ..."
♥ Book Title : Hierarchical Micro/Nanostructured Materials
☯ Full Synopsis : "Hierarchical Micro/Nanostructured Materials: Fabrication, Properties, and Applications presents the latest fabrication, properties, and applications of hierarchical micro/nanostructured materials in two sections—powders and arrays. After a general introduction to hierarchical micro/nanostructured materials, the first section begins with a detailed discussion of the methods of mass production for hierarchical micro/nanostructured powders, including structure-directed solvothermal routes, template-etching strategies, and electrospinning technologies. It then proceeds to address structurally enhanced adsorption and photocatalytic performances. The second section describes strategies for the fabrication of hierarchical micro/nanostructured object arrays and their devices, such as modified colloidal lithographies-based solution and electrodeposition. It also examines the structure-dependent properties and performances of the micro/nanostructured arrays, including surface wettability, optical properties, surface-enhanced Raman scattering (SERS) effects, and gas-sensing performances. In its cutting-edge coverage, Hierarchical Micro/Nanostructured Materials: Fabrication, Properties, and Applications explores the use of hierarchical micro/nanostructured materials in environmental remediation and detection devices, commenting on future trends and applications in catalysis, integrated nanophotonics, optical devices, super-high density storage media, sensors, nanobiotechnology, SERS substrates, and more."Article| Weiping Cai| Statement ..."
♥ Book Title : Heterogeneous Nanocomposite-Photocatalysis for Water Purification
☯ Full Synopsis : "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"Article| Rajendra Pawar| Statement ..."
♥ Book Title : Nanostructured Materials and Nanotechnology II
☯ Full Synopsis : "A collection of papers from The American Ceramic Society s 32nd International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 27-February 1, 2008. Topics include basic and applied research in nanomaterials such as synthesis, functionalization, processing, and characterization; structure-property correlations; bio- and magnetic nanomaterials; nanostructured materials for chemical mechanical planarization, display, health, and cosmetic applications; nanotubes and nanowires; and industrial development."Article| Sanjay Mathur| Statement ..."