Synthesis And Study Of Noble Metal Nanoparticles

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Noble Metal Nanoparticles

Author : Ignác Capek
Publisher : Springer
ISBN 13 : 4431565566
Total Pages : 568 pages
Book Rating : 4.4/5 (315 download)

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Book Synopsis Noble Metal Nanoparticles by : Ignác Capek

Download or read book Noble Metal Nanoparticles written by Ignác Capek and published by Springer. This book was released on 2017-07-20 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the reader the chemistry of reaction approaches by which noble metal nanoparticles are synthesized, including synthetic approaches using the Brust–Schiffrin method , a high-temperature solution-phase synthesis, polymer and biological entities, weak and strong reducing and capping agents, the low and high temperatures, various additives and various novel approaches such as plasma, ionic liquids, UV light and gamma rays and others. This book starts with a brief overview of foundation work concerned with the chapter topics such as nanomaterials, nanoscience, surface-capping molecules, traditional and nontraditional reduction agents, In addition, chemical and physical properties of noble metal nanoparticles with different structures and elements such as monolayered clusters, nanorods, and bimetallic nanoparticles are described comprehensively. The aim is to summarize the fundamentals and mechanistic approaches in the preparation and characterization of metal colloidal nanoparticles and dispersions. In this way the reader is provided with a systematic and coherent picture of the interesting field of nanoscience based on noble metal colloidal nanoparticles. Intended as a wide-ranging overview, the book is a resource for novices in the field as well as for specialists, particularly those scientists working in the area of nanoparticle synthesis. Nanoscience and nanotechnology are discussed from the chemist’s point of view. Therefore, this volume describes in detail the terms, definitions, theories, experiments, and techniques dealing with the synthesis of noble metal nanoparticles. The material presented here is essential reading for research chemists, technologists, and engineers in the fields of specialty nanomaterials and metal industries, and also is highly valuable for researchers in university, institutional, and governmental laboratories, especially for those at advanced stages of their careers.

Synthesis and Study of Noble Metal Nanoparticles

Author : Niti Garg
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)

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Book Synopsis Synthesis and Study of Noble Metal Nanoparticles by : Niti Garg

Download or read book Synthesis and Study of Noble Metal Nanoparticles written by Niti Garg and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Emerging Applications of Nanoparticles and Architectural Nanostructures

Author : Abdel Salam Hamdy Makhlouf
Publisher : William Andrew
ISBN 13 : 0128135166
Total Pages : 650 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Emerging Applications of Nanoparticles and Architectural Nanostructures by : Abdel Salam Hamdy Makhlouf

Download or read book Emerging Applications of Nanoparticles and Architectural Nanostructures written by Abdel Salam Hamdy Makhlouf and published by William Andrew. This book was released on 2018-03-22 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emerging Applications of Nanoparticles and Architecture Nanostructures: Current Prospects and Future Trends discusses the most important current applications of nanoparticles and architecture nanostructures in a comprehensive, detailed manner. The book covers major applications of nanoparticles and architecture nanostructures, taking into account their unusual shapes and high surface areas. In particular, coverage is given to applications in aerospace, automotive, batteries, sensors, smart textile design, energy conversion, color imaging, printing, computer chips, medical implants, pharmacy, cosmetics, and more. In addition, the book discusses the future of research in these areas. This is a valuable reference for both materials scientists, chemical and mechanical engineers working both in R&D and academia who want to learn more on how nanoparticles and nanomaterials are commercially applied. Provides an in-depth look at the properties of nanoparticles and architecture nanostructures in terms of their applicability for industrial uses Analyzes the most recent advances and industrial applications of different types of nanoparticles and architecture nanostructures, taking into account their unusual structures and compositions Identifies novel nanometric particles and architectures that are of particular value for applications and the techniques required to use them effectively

Green Metal Nanoparticles

Author : Suvardhan Kanchi
Publisher : John Wiley & Sons
ISBN 13 : 1119418232
Total Pages : 716 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Green Metal Nanoparticles by : Suvardhan Kanchi

Download or read book Green Metal Nanoparticles written by Suvardhan Kanchi and published by John Wiley & Sons. This book was released on 2018-11-06 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking book uniquely focuses on the exploration of the green synthesis of metal nanoparticles and their characterization and applications. Metal nanoparticles are the basic elements of nanotechnology as they are the primary source used in the design of nanostructured devices and materials. Nanomaterials can be manufactured either incidentally, with physical or chemical methods, or naturally; and the high demand for them has led to their large-scale production by various toxic solvents or high energy techniques. However, due to the growing awareness of environmental and safety issues, the use of clean, nontoxic and environment-friendly ways to synthesize metal nanoparticles has emerged out of necessity. The use of biological resources, such as microbes, plant parts, vegetable wastes, agricultural wastes, gums, etc., has grown to become an alternative way of synthesizing metal nanoparticles. This biogenic synthesis is green, environmentally friendly, cost-effective, and nontoxic. The current multi-authored book includes recent information and builds a database of bioreducing agents for various metal nanoparticles using different precursor systems. Green Metal Nanoparticles also highlights different simple, cost-effective, environment-friendly and easily scalable strategies, and includes parameters for controlling the size and shape of the materials developed from the various greener methods.

Metal Nanoparticles

Author : Yesenia Saylor
Publisher :
ISBN 13 : 9781536141153
Total Pages : 0 pages
Book Rating : 4.1/5 (411 download)

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Book Synopsis Metal Nanoparticles by : Yesenia Saylor

Download or read book Metal Nanoparticles written by Yesenia Saylor and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal nanoparticles that have already found numerous applications in science and technology may be obtained in different ways. In the opening study included in Metal Nanoparticles: Properties, Synthesis and Applications, several factors affecting metal nanoparticle morphology in island films are determined. The formation of islet metal films during their deposition in the process of thermal evaporation on a dielectric substrate and their spontaneous changes at room temperature are also described.Following this, the authors present their experimental results on synthesis, modification and destruction of silver nanoparticles in the bulk and surface of silicate glasses. Special attention is paid to the effects of laser and electron-beam irradiation on the above-mentioned processes.The authors go on to review the synthesis of embedded noble metal nanoparticles and their optical properties and potential applications in surface enhanced Raman scattering. The optical properties of NMNPs due to the localized surface plasmon resonance and the enhanced local electromagnetic field which govern their SERS activity will be discussed along with their fundamental mechanisms.The effects of zinc, titanium, copper and oxide thin films with nanostructured surfaces and iron oxide and silver nanoparticles on Enterococcus hirae and Escherichia coli growth and membrane activity are also presented and discussed. The authors suggest that different types of metal nanoparticles could be applied in medicine due to their antimicrobial activity, effeciency in anti-inflammatory effects and potential in anticancer therapy.Next, the development of platinum-metal nanoparticles and their core-shell structures is discussed. The authors analyze in detail the polymeric composite of the metal nanoparticles on the surface of different carbon support materials (e.g. carbon nanotubes, graphene, carbon-nanospheres, mesoporous carbon, and carbon nanofibers), showing the synergetic effects on the active surface area of platinum metal catalysts.In one review, the past decade's data regarding the effects of nanoparticles of noble metals on higher plants are considered, as well as possible nanoparticle phytotoxicity. The review discusses the various effects that gold and silver nanoparticles can have on the state, growth, and productivity of plants. Published evidence, although incomplete and contradictory, indicates that metal nanoparticles can have both positive and negative effects on plants.Lastly, glassy carbon electrodes modified with polyphenazine conducting polymers and metallic nanoparticles were used to study the interaction between H2O2 and ascorbic acid. The antioxidant capacity of ascorbic acid measured from this interaction agreed with that reported using non-electrochemical techniques.

Synthesis of Noble Metal Nanoparticles

Author : Mozhgan Bahadory
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (263 download)

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Book Synopsis Synthesis of Noble Metal Nanoparticles by : Mozhgan Bahadory

Download or read book Synthesis of Noble Metal Nanoparticles written by Mozhgan Bahadory and published by . This book was released on 2008 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Green Metal Nanoparticles

Author : Suvardhan Kanchi
Publisher : John Wiley & Sons
ISBN 13 : 1119418879
Total Pages : 720 pages
Book Rating : 4.1/5 (194 download)

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Book Synopsis Green Metal Nanoparticles by : Suvardhan Kanchi

Download or read book Green Metal Nanoparticles written by Suvardhan Kanchi and published by John Wiley & Sons. This book was released on 2018-10-16 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: This groundbreaking book uniquely focuses on the exploration of the green synthesis of metal nanoparticles and their characterization and applications. Metal nanoparticles are the basic elements of nanotechnology as they are the primary source used in the design of nanostructured devices and materials. Nanomaterials can be manufactured either incidentally, with physical or chemical methods, or naturally; and the high demand for them has led to their large-scale production by various toxic solvents or high energy techniques. However, due to the growing awareness of environmental and safety issues, the use of clean, nontoxic and environment-friendly ways to synthesize metal nanoparticles has emerged out of necessity. The use of biological resources, such as microbes, plant parts, vegetable wastes, agricultural wastes, gums, etc., has grown to become an alternative way of synthesizing metal nanoparticles. This biogenic synthesis is green, environmentally friendly, cost-effective, and nontoxic. The current multi-authored book includes recent information and builds a database of bioreducing agents for various metal nanoparticles using different precursor systems. Green Metal Nanoparticles also highlights different simple, cost-effective, environment-friendly and easily scalable strategies, and includes parameters for controlling the size and shape of the materials developed from the various greener methods.

Complex-shaped Metal Nanoparticles

Author : Tapan K. Sau
Publisher : John Wiley & Sons
ISBN 13 : 3527652590
Total Pages : 583 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Complex-shaped Metal Nanoparticles by : Tapan K. Sau

Download or read book Complex-shaped Metal Nanoparticles written by Tapan K. Sau and published by John Wiley & Sons. This book was released on 2012-05-07 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past few years have witnessed the development of non-spherical metal nanoparticles with complex morphologies, which offer tremendous potential in materials science, chemistry, physics and medicine. Covering all important aspects and techniques of preparation and characterization of metal nanoparticles with controlled morphology and architecture, this book provides a sound overview - from the basics right up to recent developments. Renowned research scientists from all over the world present the existing knowledge in the field, covering theory and modeling, synthesis and properties of these nanomaterials. By emphasizing the underlying concepts and principles in detail, this book enables researchers to fully recognize the future research scope and the application potential of the complex-shaped metal nanoparticles, inspiring further research in this field.

Metal Nanoparticles and Clusters

Author : Francis Leonard Deepak
Publisher : Springer
ISBN 13 : 3319680536
Total Pages : 431 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Metal Nanoparticles and Clusters by : Francis Leonard Deepak

Download or read book Metal Nanoparticles and Clusters written by Francis Leonard Deepak and published by Springer. This book was released on 2017-11-17 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the continually expanding field of metal nanoparticles and clusters, in particular their size-dependent properties and quantum phenomena. The approaches to the organization of atoms that form clusters and nanoparticles have been advancing rapidly in recent times. These advancements are described through a combination of experimental and computational approaches and are covered in detail by the authors. Recent highlights of the various emerging properties and applications ranging from plasmonics to catalysis are showcased.

Metal Nanoparticles

Author : Yesenia Saylor
Publisher :
ISBN 13 : 9781536141160
Total Pages : 352 pages
Book Rating : 4.1/5 (411 download)

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Book Synopsis Metal Nanoparticles by : Yesenia Saylor

Download or read book Metal Nanoparticles written by Yesenia Saylor and published by . This book was released on 2018 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal nanoparticles that have already found numerous applications in science and technology may be obtained in different ways. In the opening study included in Metal Nanoparticles: Properties, Synthesis and Applications, several factors affecting metal nanoparticle morphology in island films are determined. The formation of islet metal films during their deposition in the process of thermal evaporation on a dielectric substrate and their spontaneous changes at room temperature are also described. Following this, the authors present their experimental results on synthesis, modification and destruction of silver nanoparticles in the bulk and surface of silicate glasses. Special attention is paid to the effects of laser and electron-beam irradiation on the above-mentioned processes. The authors go on to review the synthesis of embedded noble metal nanoparticles and their optical properties and potential applications in surface enhanced Raman scattering. The optical properties of NMNPs due to the localized surface plasmon resonance and the enhanced local electromagnetic field which govern their SERS activity will be discussed along with their fundamental mechanisms. The effects of zinc, titanium, copper and oxide thin films with nanostructured surfaces and iron oxide and silver nanoparticles on Enterococcus hirae and Escherichia coli growth and membrane activity are also presented and discussed. The authors suggest that different types of metal nanoparticles could be applied in medicine due to their antimicrobial activity, effeciency in anti-inflammatory effects and potential in anticancer therapy. Next, the development of platinum-metal nanoparticles and their core-shell structures is discussed. The authors analyze in detail the polymeric composite of the metal nanoparticles on the surface of different carbon support materials (e.g. carbon nanotubes, graphene, carbon-nanospheres, mesoporous carbon, and carbon nanofibers), showing the synergetic effects on the active surface area of platinum metal catalysts. In one review, the past decade's data regarding the effects of nanoparticles of noble metals on higher plants are considered, as well as possible nanoparticle phytotoxicity. The review discusses the various effects that gold and silver nanoparticles can have on the state, growth, and productivity of plants. Published evidence, although incomplete and contradictory, indicates that metal nanoparticles can have both positive and negative effects on plants. Lastly, glassy carbon electrodes modified with polyphenazine conducting polymers and metallic nanoparticles were used to study the interaction between H2O2 and ascorbic acid. The antioxidant capacity of ascorbic acid measured from this interaction agreed with that reported using non-electrochemical techniques.

Nanoscale Materials in Water Purification

Author : Sabu Thomas
Publisher : Elsevier
ISBN 13 : 0128139277
Total Pages : 892 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Nanoscale Materials in Water Purification by : Sabu Thomas

Download or read book Nanoscale Materials in Water Purification written by Sabu Thomas and published by Elsevier. This book was released on 2018-11-14 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: Novel nanoscale materials are now an essential part of meeting the current and future needs for clean water, and are at the heart of the development of novel technologies to desalinate water. The unique properties of nanomaterials and their convergence with current treatment technologies present great opportunities to revolutionize water and wastewater treatment. Nanoscale Materials for Water Purification brings together sustainable solutions using novel nanomaterials to alleviate the physical effects of water scarcity. This book covers a wide range of nanomaterials, including noble metal nanoparticles, magnetic nanoparticles, dendrimers, bioactive nanoparticles, polysaccharidebased nanoparticles, nanocatalysts, and redox nanoparticles for water purification. Significant properties and characterization methods of nanomaterials such as surface morphology, mechanical properties, and adsorption capacities are also investigated Explains how the unique properties of a range of nanomaterials makes them important water purification agents Shows how the use of nanotechnology can help create cheaper, more reliable, less energy-intensive, more environmentally friendly water purification techniques Includes case studies to show how nanotechnology has successfully been integrated into water purification system design

Metal Nanoparticles

Author : Sreekanth Thota
Publisher : John Wiley & Sons
ISBN 13 : 3527339795
Total Pages : 280 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Metal Nanoparticles by : Sreekanth Thota

Download or read book Metal Nanoparticles written by Sreekanth Thota and published by John Wiley & Sons. This book was released on 2018-05-07 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: A much-needed summary of the importance, synthesis and applications of metal nanoparticles in pharmaceutical sciences, with a focus on gold, silver, copper and platinum nanoparticles. After a brief introduction to the history of metal complexes in medicine and fundamentals of nanotechnology, the chapters continue to describe different methods for preparation of metal nanoparticles. This section is followed by representative presentations of current biomedical applications, such as drug delivery, chemotherapy, and diagnostic imaging. Aimed at stimulating further research in this field, the book serves as an reference guide for academics and professionals working in the field of chemistry and nanotechnology.

Noble Metal-Metal Oxide Hybrid Nanoparticles

Author : Satyabrata Mohapatra
Publisher : Elsevier
ISBN 13 : 0128141352
Total Pages : 674 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Noble Metal-Metal Oxide Hybrid Nanoparticles by : Satyabrata Mohapatra

Download or read book Noble Metal-Metal Oxide Hybrid Nanoparticles written by Satyabrata Mohapatra and published by Elsevier. This book was released on 2018-10-11 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noble Metal-Metal Oxide Hybrid Nanoparticles: Fundamentals and Applications sets out concepts and emerging applications of hybrid nanoparticles in biomedicine, antibacterial, energy storage and electronics. The hybridization of noble metals (Gold, Silver, Palladium and Platinum) with metal-oxide nanoparticles exhibits superior features when compared to individual nanoparticles. In some cases, metal oxides act as semiconductors, such as nano zinc oxide or titanium oxide nanoparticles, where their hybridization with silver nanoparticles, enhanced significantly their photocatalytic efficiency. The book highlights how such nanomaterials are used for practical applications. Examines the properties of metal-metal oxide hybrid nanoparticles that make them so adaptable Explores the mechanisms by which nanoparticles interact with each other, showing how these can be exploited for practical applications Shows how metal oxide hybrid nanomaterials are used in a range of industry sectors, including energy, the environment and healthcare

Colloidal Synthesis of Plasmonic Nanometals

Author : Luis Liz-Marzán
Publisher : CRC Press
ISBN 13 : 1000020967
Total Pages : 911 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Colloidal Synthesis of Plasmonic Nanometals by : Luis Liz-Marzán

Download or read book Colloidal Synthesis of Plasmonic Nanometals written by Luis Liz-Marzán and published by CRC Press. This book was released on 2020-04-23 with total page 911 pages. Available in PDF, EPUB and Kindle. Book excerpt: Noble metal nanoparticles have attracted enormous scientific and technological interest because of their unique optical properties, which are related to surface plasmon resonances. The interest in nanosized metal particles dates back to ancient societies, when metals were used in various forms as decorative elements. From the famous Lycurgus cup, made by the Romans in the 4th century AD, through thousands of stained glasses in churches and cathedrals all over medieval Europe, bright-yellow, green, or red colors have been obtained by a touch of metallic additions during glass blowing. This peculiar interaction of light with nanometals can be widely tuned through the morphology and assembly of nanoparticles, thereby expanding the range of potential applications, from energy and information storage to biomedicine, including novel diagnostic and therapeutic methods. This book compiles recent developments that clearly illustrate the state of the art in this cutting-edge research field. It comprises different review articles written by the teams of Prof. Luis Liz-Marzán, an international leader in chemical nanotechnology who has made seminal contributions to the use of colloid chemistry methods to understand and tailor the growth of metal particles at the nanoscale. Apart from synthesis, the book also describes in detail the plasmonic properties of nanomaterials and illustrates some representative applications. This book will appeal to anyone involved in nanotechnology, nanocrystal growth, nanoplasmonics, and surface-enhanced spectroscopies.

Metal Nanoparticles

Author : Daniel L. Fedlheim
Publisher : CRC Press
ISBN 13 : 9780585404394
Total Pages : 348 pages
Book Rating : 4.4/5 (43 download)

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Book Synopsis Metal Nanoparticles by : Daniel L. Fedlheim

Download or read book Metal Nanoparticles written by Daniel L. Fedlheim and published by CRC Press. This book was released on 2001-10-26 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art reference, Metal Nanoparticles offers the latest research on the synthesis, characterization, and applications of nanoparticles. Following an introduction of structural, optical, electronic, and electrochemical properties of nanoparticles, the book elaborates on nanoclusters, hyper-Raleigh scattering, nanoarrays, and several applications including single electron devices, chemical sensors, biomolecule sensors, and DNA detection. The text emphasizes how size, shape, and surface chemistry affect particle performance throughout. Topics include synthesis and formation of nanoclusters, nanosphere lithography, modeling of nanoparticle optical properties, and biomolecule sensors.

Noble Metal-Based Nanocomposites

Author : Jun Yang
Publisher : John Wiley & Sons
ISBN 13 : 3527344527
Total Pages : 454 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Noble Metal-Based Nanocomposites by : Jun Yang

Download or read book Noble Metal-Based Nanocomposites written by Jun Yang and published by John Wiley & Sons. This book was released on 2019-06-10 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a systematic and coherent picture of the solution-based methods for the preparation of noble metal-based composite nanomaterials, their characterization, and potential applications in electrocatalysis Within the last decade, the development of wet-chemistry methods has led to the blossom of research in composite nanomaterials. However, the design and synthesis of composite nanomaterials with controlled properties remains a significant challenge. This book summarizes the solution-based methods for the preparation of noble metal-based composite nanomaterials. It examines their characterization, as well as their use in electrocatalysis. It also discusses the intrinsic relationship between the catalytic properties and the physical /chemical effects in the composite materials, and offers some perspectives for the future development of metal-based composite nanomaterials. In addition, the book not only provides a systematic and coherent picture of this field, but also inspires rethinking of the current processing technologies. Noble Metal-Based Nanocomposites: Preparation and Applications offers in-depth chapter coverage of ethanol-mediated phase transfer of metal ions and nanoparticles. It presents the full range of nanocomposites consisting of chalcogenide semiconductors and gold, silver sulfide, or other noble metals. It also examines core-shell structured cadmium selenide-platinum nanocomposites; Pt-containing Ag2S-noble metal nanocomposites for direct methanol fuel cells operated at high fuel concentrations; and nanocomposites consisting of metal oxides and noble metals. In addition, the book looks at scientific issues derived from noble metal-based nanocomposites. -Covers all of the preparations of noble metal-based nanocomposites and their numerous applications -Highlights some of the recent breakthroughs in the design, engineering, and applications of noble metal-based nanocomposites -Appeals to a wide range audience, especially researchers in the areas of catalysis, chemistry, chemical engineering, materials synthesis and characterization, and fuel cell Noble Metal-Based Nanocomposites: Preparation and Applications is an excellent book for inorganic chemists, materials scientists, catalytic chemists, chemical engineers, and those interested in the subject.

Studies on the Biosynthesis of Metal Nanoparticles by Microorganisms

Author : Syed Zeeshan Haider Naqvi
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783846591420
Total Pages : 108 pages
Book Rating : 4.5/5 (914 download)

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Book Synopsis Studies on the Biosynthesis of Metal Nanoparticles by Microorganisms by : Syed Zeeshan Haider Naqvi

Download or read book Studies on the Biosynthesis of Metal Nanoparticles by Microorganisms written by Syed Zeeshan Haider Naqvi and published by LAP Lambert Academic Publishing. This book was released on 2011-11-29 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green synthesis of nanomaterials is gaining importance day by day especially concerned due to environmental reasons. An array of physical, chemical and biological methods have been used to synthesize nanomaterials. In order to synthesize noble metal nanoparticles of particular shape and size, specific methodologies have been formulated. Physco-chemical and other reduction techniques have been used successfully to produce nanoparticles, but they remain expensive and involve the use of hazardous chemicals. Therefore, there is a growing concern to develop environment-friendly and sustainable methods. Since the synthesis of nanoparticles of different compositions, sizes, shapes and controlled dispersity is an important aspect of nanotechnology new cost effective procedures are being developed. Microbial synthesis of nanoparticles is a green chemistry approach that interconnects nanotechnology and microbial biotechnology.