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Author : Kah Fatt Tan
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.:/5 (621 download)
Download or read book Carbon Nanotubes/fibers Synthesized by Hot-filament Chemical Vapor Deposition written by Kah Fatt Tan and published by . This book was released on 2005 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cheng Choo Lee
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (969 download)
Download or read book Synthesis of Carbon Nanotubes Using Hot Filament Chemical Vapour Deposition Technique written by Cheng Choo Lee and published by . This book was released on 2007 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Growth of Highly-Oriented Carbon Nanotubes by Plasma-Enhanced Hot Filament Chemical Vapor Deposition written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Highly-oriented, multi-walled carbon nanotubes were grown on polished polycrystalline and single crystal nickel substrates by plasma enhanced hot filament chemical vapor deposition at temperatures below 666"C. The carbon nanotubes range from 10 to 500 nm in diameter and 0.1 to 50 pm in length depending on growth conditions. Acetylene is used as the carbon source for the growth of the carbon nanotubes and ammonia is used for dilution gas and catalysis. The plasma intensity, acetylene to ammonia gas ratio and their flow rates, etc. affect the diameters and uniformity of the carbon nanotubes. In summary, we synthesized large-area highly-oriented carbon nanotubes at temperatures below 666C by plasma-enhanced hot filament chemical vapor deposition. Acetylene gas is used to provide carbon for nanotube growth and ammonia gas is used for dilution and catalysis. Plasma intensity is critical in determining the nanotube aspect ratios (diameter and length), and range of both site and height distributions within a given film.
Author : Menghe Miao
Publisher : Woodhead Publishing
ISBN 13 : 0081027753
Total Pages : 312 pages
Book Rating : 4.0/5 (81 download)
Download or read book Carbon Nanotube Fibres and Yarns written by Menghe Miao and published by Woodhead Publishing. This book was released on 2019-09-14 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanotube Fibres and Yarns for Smart Textiles: Production, Properties and Applications in Smart Textiles explains the relevance of carbon nanotube science and provides new insights on this emerging, high-performance textile material. Particular emphasis is placed on applications in smart textiles and wearable electronics applications, such as flexible sensors, actuators and energy sources. This collection examines the state-of-the-art in carbon nanotube (CNT) research, providing guidance for anyone who is exploring problems where CNTs may provide design solutions. Finally, the book addresses advances in yarn spinning methods, yarn structures and properties. Drawing on his experience in the textile industry, the book's editor presents academic research in a way that is comprehensible and useful to materials scientists and engineers in practice. Explains how carbon nanotube science can meet the challenging requirements of important and emerging smart textiles and wearable electronics applications Reviews and analyzes key developments on CNT yarn spinning methods, yarn structures and properties, and proposed applications Addresses the potential applications of CNT yarns and nanocomposite fibers
Author : Michael J. O’Connell
Publisher : CRC Press
ISBN 13 : 1420004212
Total Pages : 339 pages
Book Rating : 4.4/5 (2 download)
Download or read book Carbon Nanotubes written by Michael J. O’Connell and published by CRC Press. This book was released on 2018-10-03 with total page 339 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since their discovery more than a decade ago, carbon nanotubes (CNTs) have held scientists and engineers in captive fascination, seated on the verge of enormous breakthroughs in areas such as medicine, electronics, and materials science, to name but a few. Taking a broad look at CNTs and the tools used to study them, Carbon Nanotubes: Properties and Applications comprises the efforts of leading nanotube researchers led by Michael O’Connell, protégé of the late father of nanotechnology, Richard Smalley. Each chapter is a self-contained treatise on various aspects of CNT synthesis, characterization, modification, and applications. The book opens with a general introduction to the basic characteristics and the history of CNTs, followed by discussions on synthesis methods and the growth of “peapod” structures. Coverage then moves to electronic properties and band structures of single-wall nanotubes (SWNTs), magnetic properties, Raman spectroscopy of electronic and chemical behavior, and electromechanical properties and applications in NEMS (nanoelectromechanical systems). Turning to applications, the final sections of the book explore mechanical properties of SWNTs spun into fibers, sidewall functionalization in composites, and using SWNTs as tips for scanning probe microscopes. Taking a fresh look at this burgeoning field, Carbon Nanotubes: Properties and Applications points the way toward making CNTs commercially viable.
Author : Andrzej Cwirzen
Publisher : Elsevier
ISBN 13 : 0323855725
Total Pages : 382 pages
Book Rating : 4.3/5 (238 download)
Download or read book Carbon Nanotubes and Carbon Nanofibers in Concrete—Advantages and Potential Risks written by Andrzej Cwirzen and published by Elsevier. This book was released on 2021-07-10 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the application of carbon nanotubes and carbon nanofibers in traditional concretes based on Portland cement. Fundamental information is given related to the production technologies of carbon nanotubes and carbon nanofibers, as well as concretes and methods of incorporation. It also contains a section focusing on the possible negative effects of carbon nanotubes and carbon nanofibers on animals and humans. The book indicates benefits and possible problems related to the application of carbon nanotubes and carbon nanofibers in concrete. It is designed to be easy to access and digest for the reader, aiming to reach an audience, not only from academia, but also from the construction industry, materials producers, and contractors who might work with nanomaterials. Outlines the major properties and synthesis methods for carbon nanomaterials in concrete engineering; Explains the role of carbon nanotubes and nanofibers in creating high-performance concrete; Assesses the major challenges of integrating carbon nanomaterials into concrete manufacture on an industrial scale.
Author : Kamel Ahmed Abd-Elsalam
Publisher : Micro & Nano Technologies
ISBN 13 : 0128197862
Total Pages : 652 pages
Book Rating : 4.1/5 (281 download)
Download or read book Carbon Nanomaterials for Agri-Food and Environmental Applications written by Kamel Ahmed Abd-Elsalam and published by Micro & Nano Technologies. This book was released on 2019-11 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanomaterials for Agri-food and Environmental Applications discusses the characterization, processing and applications of carbon-based nanostructured materials in the agricultural and environmental sectors. Sections discuss the synthesis and characterization of carbon nanotubes, the technological developments in environmental applications of carbon-based nanomaterials, and agri-food applications. The book also covers the toxic effects of engineered carbon nanoparticles on the environment, and in plants and animals. Finally, quality control and risk management are addressed to assess health and environmental risks. This is an applicable book for graduate students, researchers and those in industrial sectors of science and technology who want to learn more about carbon nanomaterials. Compares a range of carbon-based nanomaterials, showing how they are used for a range of agricultural and environmental applications Discusses the challenges and toxicity of different types of carbon-based nanomaterials for environmental and agricultural applications Explores when different classes of nanomaterial should be used in different environments
Author : Ajay Kumar Mishra
Publisher : Nova Science Publishers
ISBN 13 : 9781620819142
Total Pages : 0 pages
Book Rating : 4.8/5 (191 download)
Download or read book Carbon Nanotubes written by Ajay Kumar Mishra and published by Nova Science Publishers. This book was released on 2012-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes possess unusual fascinating properties which have attracted the scientific world. This book covers a very wide domain of research and development where the synthesis and properties of carbon nanotubes are discussed. This book describes the carbon nanotube general introduction, various synthesis procedures and properties. This book is going to be beneficial to the researchers who are working for their postgraduate degree in nanomaterials and nanotechnology. This book also provides a platform for all the academics and researchers as it covers a vast background for the recent literature, abbreviations, and summaries. This book will be worth reading for the researchers who are more interested in the general overview of carbon nanotubes, fundamentals concepts and various synthetic procedures in the multidisciplinary areas. This book contains the fundamental knowledge with the recent advancements for the research and development in the field of nanomaterials and nanotechnology.
Author : Zhifeng Ren
Publisher : Springer Science & Business Media
ISBN 13 : 3642304907
Total Pages : 310 pages
Book Rating : 4.6/5 (423 download)
Download or read book Aligned Carbon Nanotubes written by Zhifeng Ren and published by Springer Science & Business Media. This book was released on 2012-09-05 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a survey of the physics and fabrication of carbon nanotubes and their applications in optics, electronics, chemistry and biotechnology. It focuses on the structural characterization of various carbon nanotubes, fabrication of vertically or parallel aligned carbon nanotubes on substrates or in composites, physical properties for their alignment, and applications of aligned carbon nanotubes in field emission, optical antennas, light transmission, solar cells, chemical devices, bio-devices, and many others. Major fabrication methods are illustrated in detail, particularly the most widely used PECVD growth technique on which various device integration schemes are based, followed by applications such as electrical interconnects, nanodiodes, optical antennas, and nanocoax solar cells, whereas current limitations and challenges are also be discussed to lay the foundation for future developments.
Author : Electrochemical Society. Fullerenes Group
Publisher : The Electrochemical Society
ISBN 13 : 9781566772778
Total Pages : 440 pages
Book Rating : 4.7/5 (727 download)
Download or read book Chemistry and Physics of Fullerenes and Carbon Nanomaterials written by Electrochemical Society. Fullerenes Group and published by The Electrochemical Society. This book was released on 2000 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qiuhong Zhang
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (65 download)
Download or read book Carbon Nanotubes on Carbon Fibers written by Qiuhong Zhang and published by . This book was released on 2010 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interface between carbon fibers (CFs) and the resin matrix in traditional high performance composites is characterized by a large discontinuity in mechanical, electrical, and thermal properties which can cause inefficient energy transfer. Due to the exceptional properties of carbon nanotubes (CNTs), their growth at the surface of carbon fibers is a promising approach to controlling interfacial interactions and achieving the enhanced bulk properties. However, the reactive conditions used to grow carbon nanotubes also have the potential to introduce defects that can degrade the mechanical properties of the carbon fiber (CF) substrate. In this study, using thermal chemical vapor deposition (CVD) method, high density multi-wall carbon nanotubes have been successfully synthesized directly on PAN-based CF surface without significantly compromising tensile properties. The influence of CVD growth conditions on the single CF tensile properties and carbon nanotube (CNT) morphology was investigated. The experimental results revealed that under high temperature growth conditions, the tensile strength of CF was greatly decreased at the beginning of CNT growth process with the largest decrease observed for sized CFs. However, the tensile strength of unsized CFs with CNT was approximately the same as the initial CF at lower growth temperature. The interfacial shear strength of CNT coated CF (CNT/CF) in epoxy was studied by means of the single-fiber fragmentation test. Results of the test indicate an improvement in interfacial shear strength with the addition of a CNT coating. This improvement can most likely be attributed to an increase in the interphase yield strength as well as an improvement in interfacial adhesion due to the presence of the nanotubes. CNT/CF also offers promise as stress and strain sensors in CF reinforced composite materials. This study investigates fundamental mechanical and electrical properties of CNT/CF using nanoindentation method by designed localized transverse compression at low loads (uN to mN) and small displacements (nm to a few um). Force, strain, stiffness, and electrical resistance were monitored simultaneously during compression experiments. The results showed that CNT/CF possess a high sensing capability between force and resistance. Hysteresis in both force-displacement and resistance-displacement curves was observed with CNT/CF, but was more evident as maximum strain increased and did not depend on strain rate. Force was higher and resistance was lower during compression as compared to decompression. A model is proposed to explain hysteresis where van der Waals forces between deformed and entangled nanotubes hinder decompression of some of the compressed tubes that are in contact with each other. This study provides a new understanding of the mechanical and electrical behavior of CNT/CF that will facilitate usage as stress and strain sensors in both stand-alone and composite materials applications. A novel method for in situ observation of nano-micro scale CNT/CF mechanical behavior by SEM has been developed in this study. The results indicated that deformation of vertical aligned CNT (VACNT) forest followed a column-like bending mechanism under localized radial (axial) compression. No fracture was observed even at very high compression strain on a VACNT forest. In order to fully understand CNT forest properties, the viscous creep behavior of VACNT arrays grown on flat Si substrate has also been characterized using a nanoindentation method. Resulting creep response was observed to consist of a short transient stage and a steady state stage in which the rate of displacement was constant. The strain rate sensitivity depended on the density of the nanotube arrays, but it was independent of the ramping (compression) rate of the indenter.
Author : Mohammad Naraghi
Publisher : BoD – Books on Demand
ISBN 13 : 953307566X
Total Pages : 620 pages
Book Rating : 4.5/5 (33 download)
Download or read book Carbon Nanotubes written by Mohammad Naraghi and published by BoD – Books on Demand. This book was released on 2011-08-09 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanotubes are among the strongest, toughest, and most stiff materials found on earth. Moreover, they have remarkable electrical and thermal properties, which make them suitable for many applications including nanocomposites, electronics, and chemical detection devices. This book is the effort of many scientists and researchers all over the world to bring an anthology of recent developments in the field of nanotechnology and more specifically CNTs. In this book you will find: - Recent developments in the growth of CNTs- Methods to modify the surfaces of CNTs and decorate their surfaces for specific applications- Applications of CNTs in biocomposites such as in orthopedic bone cement- Application of CNTs as chemical sensors- CNTs for fuelcells- Health related issues when using CNTs
Author : Marc Monthioux
Publisher : John Wiley & Sons
ISBN 13 : 1119960940
Total Pages : 452 pages
Book Rating : 4.1/5 (199 download)
Download or read book Carbon Meta-Nanotubes written by Marc Monthioux and published by John Wiley & Sons. This book was released on 2011-10-27 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meta-Nanotubes are a new generation of carbon nanotubes (CNTs) which result from the chemical transformation of regular CNTs and their subsequent combination with foreign materials (atoms, molecules, chemical groups, nanocrystals) by various ways such as functionalisation, doping, filling, and substitution. These new nanomaterials exhibit enhanced or new properties, such as reactivity, solubility, and magnetism, which pristine CNTs do not possess. Their many applications include electronic and optoelectronic devices, chemical and biosensors, solar cells, drug delivery, and reinforced glasses and ceramics. Carbon Meta-Nanotubes: Synthesis, Properties and Applications discusses these third generation carbon nanotubes and the unique characteristics they possess. Beginning with a general overview of the subject, this book covers the five main categories of meta-nanotubes, namely: Doped Carbon Nanotubes Functionalised Carbon Nanotubes Decorated or Coated Carbon Nanotubes Filled Carbon Nanotubes Heterogeneous Nanotubes Providing unparalleled coverage of these third generation or meta-nanotubes, and possibilities for future development, this book is essential for anyone working on carbon nanotubes.
Download or read book Direct Growth of Carbon Nanotubes on Inconel Sheets Using Hot Filament Chemical Vapor Deposition written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Brown
Publisher : Elsevier
ISBN 13 : 1845693736
Total Pages : 545 pages
Book Rating : 4.8/5 (456 download)
Download or read book Nanofibers and Nanotechnology in Textiles written by P. Brown and published by Elsevier. This book was released on 2007-10-17 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology is revolutionising the world of materials. This important book reviews its impact in developing a new generation of textile fibers with enhanced functionality and a wide range of applications. The first part of the book reviews nanofiber production, discussing how different fiber types can be produced using electrospinning techniques. Part two analyses the production and properties of carbon nanotubes and polymer nanocomposites and their applications in such areas as aerospace engineering. The third part of the book considers ways of using nanotechnology to improve polymer properties such as thermal stability and dyeability. The final part of the book reviews the use of nanotechnology to modify textile surfaces, including the use of coatings and films, in order to improve hydrophobic, filtration and other properties.Nanofibers and nanotechnology in textiles is a valuable reference in assessing and using a new generation of textile fibers in applications as diverse as tissue and aerospace engineering. Nanotechnology is revolutionising the world of materials Learn about a new generation of textile fibers that have a wide range of applications Examines how to improve polymer properties
Author : Suresh G Advani
Publisher : World Scientific
ISBN 13 : 981447648X
Total Pages : 463 pages
Book Rating : 4.8/5 (144 download)
Download or read book Processing And Properties Of Nanocomposites written by Suresh G Advani and published by World Scientific. This book was released on 2006-12-06 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology is progressing very rapidly. This book focuses on carbon nanotubes and nano clays and explore their importance and roles in composites. Hence, the chapters address processing, rheology, mechanical properties and their interaction with fiber composites.Written by renowned researchers, this book is a collection of nine chapters which embrace the role of nano particles in composites. The first three chapters focus on the use of carbon nanotubes in composites. Chapter 4 explores the interaction between traditional fiber composites and the use of nano particles in terms of benefits and property enhancement in addition to the processing of such materials. Chapter 5 discusses in detail the rheology of suspensions that contain nanofibers and how one can modify existing models to describe their flow behavior. Chapters 6 through 9 address nano clay composites.
Author : S Neralla
Publisher : BoD – Books on Demand
ISBN 13 : 9535125729
Total Pages : 292 pages
Book Rating : 4.5/5 (351 download)
Download or read book Chemical Vapor Deposition written by S Neralla and published by BoD – Books on Demand. This book was released on 2016-08-31 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview of chemical vapor deposition (CVD) methods and recent advances in developing novel materials for application in various fields. CVD has now evolved into the most widely used technique for growth of thin films in electronics industry. Several books on CVD methods have emerged in the past, and thus the scope of this book goes beyond providing fundamentals of the CVD process. Some of the chapters included highlight current limitations in the CVD methods and offer alternatives in developing coatings through overcoming these limitations.
