Synthesis Characterization And Catalytic Application Of Gold Nanoparticles

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Synthesis, Characterization, and Catalytic Application of Gold Nanoparticles

Author : Junhyung Kim
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Synthesis, Characterization, and Catalytic Application of Gold Nanoparticles by : Junhyung Kim

Download or read book Synthesis, Characterization, and Catalytic Application of Gold Nanoparticles written by Junhyung Kim and published by . This book was released on 2008 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Properties of nanometer-sized gold (Au) particles, especially those that are protected by a monolayer coating of thiolate ligands, called 'Monolayer Protected Clusters' (MPCs), are of rigorous multidisciplinary interest for their potential applications in catalysis and electronics due to their variation with size. In larger core diameter sizes ( >1.5nm) AuMPCs show metallic behavior as observed from electrochemical measurements. On the other hand, sub-nanometer ([approximate]1.1nm) AuMPCs exhibit molecule-like electronic behavior which is typical of Au38 nanoparticles. The various alkane chain thiols(C4S-C12S) capped Au38MPCs have been examined with independent analytical tools, producing a remarkably consistent picture of these materials. The chemical structure and / or surrounding environment contribute to the electron transfer phenomenon. For rationalizing electron transfer phenomenon it is important to understand the 2D arrangements of AuMPC in the solid state. MPC-based Langmuir monolayers offer particular virtues for the investigation of the correlation between interparticle distance and electron transfer dynamics. To extend charge transfer studies, the charge transfer quenching of photoexcited semiconductor (TiO2) by hexanethiolate AuMPCs with core diameters of 1.1-4.9 nm were employed. The quenching efficiency of AuMPCs was compared using Stern-Volmer plots. The size dependence of the AuMPC plays a vital role on the quenching efficiency. KQ was found to linearly correlate with the MPC capacitance. This suggests that the quenching process is dominantly controlled by the capacitance of the electron acceptor (AuMPC). In the research presented here, characterization of AuMPCs and charge transfer between semiconductor and AuMPCs have been studied through electrochemistry, spectroscopic analysis, and other techniques. The correlation between electron transfer dynamic and interparticle distances in the AuMPCs monolayer has been estimated using Langmuir trough by horizontal touch voltammetry (HTV) measurements.

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.

Supported Gold Complexes and Clusters

Author : Juan Carlos Fierro-Gonzalez
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (72 download)

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Book Synopsis Supported Gold Complexes and Clusters by : Juan Carlos Fierro-Gonzalez

Download or read book Supported Gold Complexes and Clusters written by Juan Carlos Fierro-Gonzalez and published by . This book was released on 2005 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Gold Nanoparticles Based Novel Solid Catalysts

Author : Ahmad Alshammari
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (778 download)

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Book Synopsis Gold Nanoparticles Based Novel Solid Catalysts by : Ahmad Alshammari

Download or read book Gold Nanoparticles Based Novel Solid Catalysts written by Ahmad Alshammari and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Catalysis By Gold

Author : Geoffrey C Bond
Publisher : World Scientific
ISBN 13 : 1908979852
Total Pages : 383 pages
Book Rating : 4.9/5 (89 download)

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Book Synopsis Catalysis By Gold by : Geoffrey C Bond

Download or read book Catalysis By Gold written by Geoffrey C Bond and published by World Scientific. This book was released on 2006-08-15 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold has traditionally been regarded as inactive as a catalytic metal. However, the advent of nanoparticulate gold on high surface area oxide supports has demonstrated its high catalytic activity in many chemical reactions. Gold is active as a heterogeneous catalyst in both gas and liquid phases, and complexes catalyse reactions homogeneously in solution. Many of the reactions being studied will lead to new application areas for catalysis by gold in pollution control, chemical processing, sensors and fuel cell technology. This book describes the properties of gold, the methods for preparing gold catalysts and ways to characterise and use them effectively in reactions. The reaction mechanisms and reasons for the high activities are discussed and the applications for gold catalysis considered./a

Gold Nanoparticles

Author : Mohammed Muzibur Rahman
Publisher : BoD – Books on Demand
ISBN 13 : 1789849985
Total Pages : 172 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Gold Nanoparticles by : Mohammed Muzibur Rahman

Download or read book Gold Nanoparticles written by Mohammed Muzibur Rahman and published by BoD – Books on Demand. This book was released on 2019-02-13 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold Nanoparticles - Reaching New Heights contains recent research on the preparation, characterization, fabrication, and potential of optical and biological applications of gold nanoparticles (AuNPs). It is promising novel research that has received a lot of interest over the last few decades. It covers advanced topics on optical, physical, medicinal, and biological applications of AuNPs. Development of green nanotechnology is generating the interest of researchers towards the synthesis of eco-friendly, safe, non-toxic applications, which can be used for manufacture at a large scale. These are simple, cost-effective, stable, enduring, and reproducible aqueous room temperature synthesis applications to obtain the self-assembly of AuNPs. This potentially unique work offers various approaches to R

Catalytic Application of Nano-Gold Catalysts

Author : Neeraj Kumar Mishra
Publisher : BoD – Books on Demand
ISBN 13 : 9535126407
Total Pages : 142 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Catalytic Application of Nano-Gold Catalysts by : Neeraj Kumar Mishra

Download or read book Catalytic Application of Nano-Gold Catalysts written by Neeraj Kumar Mishra and published by BoD – Books on Demand. This book was released on 2016-08-31 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold, considered catalytically inactive for a long time, is now a fascinating partner of modern chemistry, as scientists such as Bond, Teles, Haruta, Hutchings, Ito and Hayashi opened new perspectives for the whole synthetic chemist community. Recently gold has attracted significant attention due to its advantageous characteristics as a catalytic material and since it allows easy functionalization with biologically active molecules. In this context, when gold is prepared as very small particles, it turns out to be a highly active catalyst. However, such a phenomenon completely disappears when the gold particle size grows into the micrometer range. Therefore, the preparation for obtaining an active gold catalyst is so important. The primary objective of this book is to provide a comprehensive overview of gold metal nanoparticles and their application as promising catalysts.

Gold and Silver Nanoparticles

Author : Suban K. Sahoo
Publisher : Elsevier
ISBN 13 : 0323994555
Total Pages : 454 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Gold and Silver Nanoparticles by : Suban K. Sahoo

Download or read book Gold and Silver Nanoparticles written by Suban K. Sahoo and published by Elsevier. This book was released on 2023-01-20 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold and Silver Nanoparticles: Synthesis and Applications provides detailed information on the preparation and utilization of Au- and Ag-based nanoparticles in a range of novel areas. Gold and silver nanoparticles offer a range of interesting properties, including unique size-dependent optoelectronic properties, chemical stability and biocompatibility, ease of synthesis and surface modification, excellent resistance to corrosion, and catalytic properties, hence paving the way to a wide range of cutting-edge applications with continual advances and innovations. Sections introduce gold and silver nanoparticles, fundamental theory, synthesis, and characterization techniques before focusing on requirements and preparation methods. Specific applications areas, such as surface-enhanced Raman spectroscopy (SERS), sensing and biosensing, imaging, drug and gene delivery, disease diagnosis, catalysis, and optoelectronic device fabrication are covered. Finally, synthesis and applications of platinum- and palladium-based nanoparticles are discussed. This is a valuable resource for researchers and advanced students across nanoscience and nanotechnology, chemistry, and materials science, as well as scientists, engineers, and R&D professionals with an interest in noble metal nanomaterials for a range of industrial applications. Explains theory, synthesis, characterization, and properties of Au- and Ag- based nanoparticles Explores a range of novel applications across biomedicine, optoelectronics, and other areas Analyzes the latest developments in the field and considers noble metal nanoparticles beyond gold and silver

Gold Catalysis

Author : Laura Prati
Publisher : CRC Press
ISBN 13 : 9814669296
Total Pages : 521 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Gold Catalysis by : Laura Prati

Download or read book Gold Catalysis written by Laura Prati and published by CRC Press. This book was released on 2016-01-05 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the first report on alcohol oxidation in 1998, many studies have highlighted some peculiarity of gold with respect to other metals. Some analogies have been found between gas and liquid phases, but the big challenge to operate in a condensed phase lies in the role of the solvent in tuning the reactant-catalyst contact. Liquid-phase oxidation

Nanoscience and Plant–Soil Systems

Author : Mansour Ghorbanpour
Publisher : Springer
ISBN 13 : 3319468359
Total Pages : 552 pages
Book Rating : 4.3/5 (194 download)

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Book Synopsis Nanoscience and Plant–Soil Systems by : Mansour Ghorbanpour

Download or read book Nanoscience and Plant–Soil Systems written by Mansour Ghorbanpour and published by Springer. This book was released on 2017-02-14 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides in-depth reviews of the effects of nanoparticles on the soil environment, their interactions with plants and also their potential applications as nanofertilizers and pesticides. It offers insights into the current trends and future prospects of nanotechnology, including the benefits and risks and the impact on agriculture and soil ecosystems. Individual chapters explore topics such as nanoparticle biosynthesis, engineered nanomaterials, the use of nanoclays for remediation of polluted sites, nanomaterials in water desalination, their effect on seed germination, plant growth, and nutrient transformations in soil, as well as the use of earthworms as bioremediating agents for nanoparticles. It is a valuable resource for researchers in academia and industry working in the field of agriculture, crop protection, plant sciences, applied microbiology, soil biology and environmental sciences.

Synthesis and Characterization of Gold Nanoparticles Supported by Polypeptides for Catalytic CO Oxidation

Author : Scott Kronewitter
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Synthesis and Characterization of Gold Nanoparticles Supported by Polypeptides for Catalytic CO Oxidation by : Scott Kronewitter

Download or read book Synthesis and Characterization of Gold Nanoparticles Supported by Polypeptides for Catalytic CO Oxidation written by Scott Kronewitter and published by . This book was released on 2005 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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.

Nanocatalysis

Author : Vivek Polshettiwar
Publisher : John Wiley & Sons
ISBN 13 : 111814886X
Total Pages : 755 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Nanocatalysis by : Vivek Polshettiwar

Download or read book Nanocatalysis written by Vivek Polshettiwar and published by John Wiley & Sons. This book was released on 2013-09-30 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exhibiting both homogeneous and heterogeneous catalytic properties, nanocatalysts allow for rapid and selective chemical transformations, with the benefits of excellent product yield and ease of catalyst separation and recovery. This book reviews the catalytic performance and the synthesis and characterization of nanocatalysts, examining the current state of the art and pointing the way towards new avenues of research. Moreover, the authors discuss new and emerging applications of nanocatalysts and nanocatalysis, from pharmaceuticals to fine chemicals to renewable energy to biotransformations. Nanocatalysis features contributions from leading research groups around the world. These contributions reflect a thorough review of the current literature as well as the authors’ first-hand experience designing and synthesizing nanocatalysts and developing new applications for them. The book’s nineteen chapters offer a broad perspective, covering: Nanocatalysis for carbon-carbon and carbon-heteroatom coupling reactions Nanocatalysis for various organic transformations in fine chemical synthesis Nanocatalysis for oxidation, hydrogenation, and other related reactions Nanomaterial-based photocatalysis and biocatalysis Nanocatalysts to produce non-conventional energy such as hydrogen and biofuels Nanocatalysts and nano-biocatalysts in the chemical industry Readers will also learn about the latest spectroscopic and microscopy tools used in advanced characterization methods that shed new light on nanocatalysts and nanocatalysis. Moreover, the authors offer expert advice to help readers develop strategies to improve catalytic performance. Summarizing and reviewing all the most important advances in nanocatalysis over the last two decades, this book explains the many advantages of nanocatalysts over conventional homogeneous and heterogeneous catalysts, providing the information and guidance needed for designing green, sustainable catalytic processes.

Recent Advances in Nanoparticle Catalysis

Author : Piet W.N.M. van Leeuwen
Publisher : Springer Nature
ISBN 13 : 3030458237
Total Pages : 460 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Recent Advances in Nanoparticle Catalysis by : Piet W.N.M. van Leeuwen

Download or read book Recent Advances in Nanoparticle Catalysis written by Piet W.N.M. van Leeuwen and published by Springer Nature. This book was released on 2020-07-01 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of the latest developments in the field of nanoparticle catalysis. It not only discusses established topics in detail, but also explores several emerging topics. Catalysis with nanoparticles is expanding exponentially and is attracting significant interest due to the many exciting findings being reported. Mastering the synthesis, characterization, stabilization and use of these catalysts offers numerous possibilities that far exceed those of classic heterogeneous and homogeneous catalysis.

Green Synthesis, Characterization and Applications of Nanoparticles

Author : Ashutosh Kumar Shukla
Publisher : Elsevier
ISBN 13 : 0081025807
Total Pages : 552 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Green Synthesis, Characterization and Applications of Nanoparticles by : Ashutosh Kumar Shukla

Download or read book Green Synthesis, Characterization and Applications of Nanoparticles written by Ashutosh Kumar Shukla and published by Elsevier. This book was released on 2018-11-26 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Green Synthesis, Characterization and Applications of Nanoparticles shows how eco-friendly nanoparticles are engineered and used. In particular, metal nanoparticles, metal oxide nanoparticles and other categories of nanoparticles are discussed. The book outlines a range of methodologies and explores the appropriate use of each. Characterization methods include spectroscopic, microscopic and diffraction methods, but magnetic resonance methods are also included as they can be used to understand the mechanism of nanoparticle synthesis using organisms. Applications covered include targeted drug delivery, water purification and hydrogen generation. This is an important research resource for those wishing to learn more about how eco-efficient nanoparticles can best be used. Theoretical details and mathematical derivations are kept to a necessary minimum to suit the need of interdisciplinary audiences and those who may be relatively new to the field. Explores recent trends in growth, characterization, properties and applications of nanoparticles Gives readers an understanding on how they are applied through the use of case studies and examples Assesses the advantages and disadvantages of a variety of synthesis and characterization techniques for green nanoparticles in different situations

Metal Nanoparticles for Catalysis

Author : Franklin (Feng) Tao
Publisher : Royal Society of Chemistry
ISBN 13 : 1782620338
Total Pages : 285 pages
Book Rating : 4.7/5 (826 download)

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Book Synopsis Metal Nanoparticles for Catalysis by : Franklin (Feng) Tao

Download or read book Metal Nanoparticles for Catalysis written by Franklin (Feng) Tao and published by Royal Society of Chemistry. This book was released on 2014-06-30 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction to the synthesis and applications of different nanocatalysts.

Synthesis and Characterization of Nanoparticles

Author : Stephan Dankesreiter
Publisher : diplom.de
ISBN 13 : 3836638959
Total Pages : 175 pages
Book Rating : 4.8/5 (366 download)

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Book Synopsis Synthesis and Characterization of Nanoparticles by : Stephan Dankesreiter

Download or read book Synthesis and Characterization of Nanoparticles written by Stephan Dankesreiter and published by diplom.de. This book was released on 2009-11-26 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inhaltsangabe:Introduction: The development of small and smallest particle is one of today s key features in modern science. The goal is to form materials with improved properties than their classical ancestors with just a fractional amount of raw material. Another key feature of nanoparticles is their different, and sometimes unexpected, behavior concerning reactivity, compared with their bulk materials. Because of this, nanoparticles have a wide range of applications, especially in the field of catalysis. Here, characteristics of nanoparticles - more edges, corners, defects or oxygen vacancies are used to obtain a high performance of the catalysts. Nanoscaled particles also exhibit larger surface area and higher metal dispersion, which further contributes to the catalytic possibilities. To gain such particles, two different pathways are given: first, there is the so-called top down pathway, considered as further developments of micro technology, where physical preparation methods like lithography are used. The second way is the bottom up method where self-assembling systems, formed by surfactants, are used. Concerning gold nanoparticles, it is reported that the use of C16TAB at specified conditions, gives gold nanorods with a sharp size-distribution because the direction of growth is predetermined. Being a cationic surfactant, C16TAB affects the electrochemical potentials and introduces bromide-ions as an additional species to the reaction. To achieve gold nanoparticles from aqueous HAuCl4-solutions, the above-mentioned method needs a separate reducing agent such as ascorbic acid (Asc0), NaBH4 or N2H4. A way of synthesizing spherical gold nanoparticles is the use of Nd:YAG laser with a salt induced agglomeration. By modifying the formulation of the salt solution, different sizes are obtained. This way of synthesis, a combination of physical top-down and self-assembling bottom-up processes, can be modified by adding surfactants, like PEG, to optimize size distribution and physical characteristics, like UV-Vis absorption. This method is an elegant way of synthesis; however, problems may occur by functionalizing the particles, because of a high salt content. Here, a high influence of purity, concentration and composition to the size and shape of gold nanoparticles might be given. Therefore, a route of synthesis is needed, which shows high efficiency in producing gold nanoparticles and in stabilizing them with a manageable amount of [...]