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Diagnostics Of Carbon Nanotube Formation In A Laser Produced Plume
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721580699 Total Pages :28 pages Book Rating :4.5/5 (86 download)
Book Synopsis Diagnostics of Carbon Nanotube Formation in a Laser Produced Plume by : National Aeronautics and Space Administration (NASA)
Download or read book Diagnostics of Carbon Nanotube Formation in a Laser Produced Plume written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-20 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes, elongated molecular tubes with diameters of nanometers and lengths in microns, hold great promise for material science. Hopes for super strong light-weight material to be used in spacecraft design is the driving force behind nanotube work at JSC. The molecular nature of these materials requires the appropriate tools for investigation of their structure, properties, and formation. The mechanism of nanotube formation is of particular interest because it may hold keys to controlling the formation of different types of nanotubes and allow them to be produced in much greater quantities at less cost than is currently available. This summer's work involved the interpretation of data taken last summer and analyzed over the academic year. The work involved diagnostic studies of carbon nanotube formation processes occurring in a laser-produced plume. Laser ablation of metal doped graphite to produce a plasma plume in which carbon nanotubes self assemble is one method of making carbon nanotube. The laser ablation method is amenable to applying the techniques of laser spectroscopy, a powerful tool for probing the energies and dynamics of atomic and molecular species. The experimental work performed last summer involved probing one of the metal catalysts, nickel, by laser induced fluorescence. The nickel atom was studied as a function of oven temperature, probe laser wavelength, time after ablation, and position in the laser produced plume. This data along with previously obtained data on carbon was analyzed over the academic year. Interpretations of the data were developed this summer along with discussions of future work. The temperature of the oven in which the target is ablated greatly influences the amount of material ablated and the propagation of the plume. The ablation conditions and the time scale of atomic and molecular lifetimes suggest that initial ablation of the metal doped carbon target results in atomic and small molecular species. The metal ato
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781721793495 Total Pages :28 pages Book Rating :4.7/5 (934 download)
Book Synopsis Diagnostics of Carbon Nanotube Formation in a Laser Produced Plume by : National Aeronautics and Space Administration (NASA)
Download or read book Diagnostics of Carbon Nanotube Formation in a Laser Produced Plume written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-24 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes hold great promise for material advancements in the areas of composites and electronics. The advancement of research in these areas is dependent upon the availability of carbon nanotubes to a broad spectrum of academic and industrial researchers. Although there has been much progress made in reducing the costs of carbon nanotubes and increasing the quality and purity of the products, an increase in demand for still less expensive and specific nanotubes types has also grown. This summer's work has involved two experiments that have been designed to further the understanding of the dynamics and chemical mechanisms of carbon nanotube formation. It is expected that a better understanding of the process of formation of nanotubes will aid current production designs and stimulate ideas for future production designs increasing the quantity, quality, and production control of carbon nanotubes. The first experiment involved the measurement of surface temperature of the target as a function of time with respect to the ablation lasers. A peak surface temperature of 5000 K was determined from spectral analysis of black body emission from the target surface. The surface temperature as a function of various changes in operating parameters was also obtained. This data is expected to aid the modeling of ablation and plume dynamics. The second experiment involved a time and spatial measurement of the spectrally resolved absorbance of the laser produced plume. This experiment explored the possibility of developing absorbance and fluorescence to detect carbon nanotubes during production. To attain control over the production of nanotubes with specific properties and reduce costs, a real time in situ diagnostics method would be very beneficial. Results from this summer's work indicate that detection of nanotubes during production may possibly be used for production feed back control. DeBoer, Gary D. Johnson Space Center
Book Synopsis Nanofibers and Nanotechnology in Textiles by : P. Brown
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
Book Synopsis Carbon Filaments and Nanotubes: Common Origins, Differing Applications? by : L.P. Biró
Download or read book Carbon Filaments and Nanotubes: Common Origins, Differing Applications? written by L.P. Biró and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon filament, vapor grown carbon fibers and carbon nanotubes have been discovered to have remarkable properties, opening they way for their use in intriguing and novel applications in electronics, chemistry and materials science. There are many similarities between nanotubes and filaments, leading many researchers to critically compare the two materials, their production, and potential applications. The two materials are compared and contrasted in depth in the present book, which is a comprehensive review of current research activity, growth mechanisms, physical properties, industrial production, and applications. The structures are discussed using a unified approach, which helps to compare growth mechanisms, contrasting morphological differences, and detailing how novel properties depend on such differences.
Book Synopsis Laser-Surface Interactions for New Materials Production by : Antonio Miotello
Download or read book Laser-Surface Interactions for New Materials Production written by Antonio Miotello and published by Springer Science & Business Media. This book was released on 2009-12-05 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an overview on nanosecond and ultra-short laser-induced phenomena and the related diagnostics. It grew from the lectures of the International School "Laser-surface interactions for new materials production" held in July 2008.
Book Synopsis Mechanics of Nanomaterials and Polymer Nanocomposites by : Hind Abdellaoui
Download or read book Mechanics of Nanomaterials and Polymer Nanocomposites written by Hind Abdellaoui and published by Springer Nature. This book was released on 2023-07-08 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book delves into the mechanical analysis of the nanomaterials and polymer nanocomposite materials by shedding light on the mechanical performance of nanomaterials, elasticity and viscoelasticity behaviors of polymer nanocomposites, the laminate and sandwich theories, durability and fatigue behaviors. The chapters in this book bring together leading experts in the field to provide an update of the latest scientific results and a fully holistic understanding of the mechanical performance of these materials. The book interests the academic and industrial researchers, R&D managers and engineers working in material and nanomaterial sciences, polymer science and technology, automotive and aerospace engineering, construction and sporting goods, etc. The book also targets the readers that may have no prior knowledge about composite and nanocomposite materials.
Book Synopsis Carbon Nanotube-Reinforced Polymers by : Roham Rafiee
Download or read book Carbon Nanotube-Reinforced Polymers written by Roham Rafiee and published by Elsevier. This book was released on 2017-10-06 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanotube-Reinforced Polymers: From Nanoscale to Macroscale addresses the advances in nanotechnology that have led to the development of a new class of composite materials known as CNT-reinforced polymers. The low density and high aspect ratio, together with their exceptional mechanical, electrical and thermal properties, render carbon nanotubes as a good reinforcing agent for composites. In addition, these simulation and modeling techniques play a significant role in characterizing their properties and understanding their mechanical behavior, and are thus discussed and demonstrated in this comprehensive book that presents the state-of-the-art research in the field of modeling, characterization and processing. The book separates the theoretical studies on the mechanical properties of CNTs and their composites into atomistic modeling and continuum mechanics-based approaches, including both analytical and numerical ones, along with multi-scale modeling techniques. Different efforts have been done in this field to address the mechanical behavior of isolated CNTs and their composites by numerous researchers, signaling that this area of study is ongoing. - Explains modeling approaches to carbon nanotubes, together with their application, strengths and limitations - Outlines the properties of different carbon nanotube-based composites, exploring how they are used in the mechanical and structural components - Analyzes the behavior of carbon nanotube-based composites in different conditions
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Review by : Oak Ridge National Laboratory
Download or read book Review written by Oak Ridge National Laboratory and published by . This book was released on 1999 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Richard F. Haglund Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :172 pages Book Rating :4.3/5 (91 download)
Book Synopsis Laser Plasma Generation and Diagnostics by : Richard F. Haglund
Download or read book Laser Plasma Generation and Diagnostics written by Richard F. Haglund and published by SPIE-International Society for Optical Engineering. This book was released on 2000 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Photon-based Nanoscience and Nanobiotechnology by : Jan J. Dubowski
Download or read book Photon-based Nanoscience and Nanobiotechnology written by Jan J. Dubowski and published by Springer Science & Business Media. This book was released on 2007-04-24 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a set of articles reviewing state-of-the art research and recent advancements in the field of photon-matter interaction for micro/nanomaterials synthesis and manipulation of properties of biological and inorganic materials at the atomic level. Photon-based nanoscience and related technologies have created exciting opportunities for the fabrication and characterization of nano(bio)material devices and systems.
Book Synopsis Spectroscopy, Dynamics and Molecular Theory of Carbon Plasmas and Vapors by : Laszlo Nemes
Download or read book Spectroscopy, Dynamics and Molecular Theory of Carbon Plasmas and Vapors written by Laszlo Nemes and published by World Scientific. This book was released on 2011 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a stop-gap contribution to the science and technology of carbon plasmas and carbon vapors. It strives to cover two strongly related fields: the molecular quantum theory of carbon plasmas and carbon nanostructures; and the molecular and atomic spectroscopy of such plasmas and vapors. These two fields of research are strongly intertwined and thus reinforce one another.Even though the use of carbon nanostructures is increasing by the day and their practical uses are emerging, there is no modern review on carbon plasmas, especially from molecular theoretical and spectroscopic viewpoints. The importance of the present book is therefore great from both educational and practical aspects. This review might be the first step towards bringing such textbooks into existence for university education. Similarly, for applied and engineering works in carbon nanostructures, the book provides a theoretical salient point for technologists in the field.
Book Synopsis Fullerene Research 1994-1996, A Computer-generated Cross-indexed Bibiliography Of Journal Literature by : Tibor Braun
Download or read book Fullerene Research 1994-1996, A Computer-generated Cross-indexed Bibiliography Of Journal Literature written by Tibor Braun and published by World Scientific. This book was released on 1997-12-18 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a follow-up to the computerized fullerene bibliography related to the 1985-1993 period. It is a well-indexed overview of the journal literature on a topic for which the 1996 Nobel Prize in Chemistry was awarded. It is an indispensable tool for any specialist interested in the literature of one of the most researched interdisciplinary topics in the sciences.
Book Synopsis Understanding Carbon Nanotubes by : Annick Loiseau
Download or read book Understanding Carbon Nanotubes written by Annick Loiseau and published by Springer Science & Business Media. This book was released on 2006-07-07 with total page 565 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the foundations of carbon nanotube science, reviewing recent developments and prospects for practical application. Each chapter summarizes relevant concepts from physics, chemistry or materials science, followed by detailed reports on topics including polymorphism and mircostructure of carbon; synthesis and growth; structural analysis by electron microscopy; spectroscopic methods; electronic structure; transport; mechanical and surface properties of nanotubes and composites.
Book Synopsis Fullerene Research, 1994-1996 by : Tibor Braun
Download or read book Fullerene Research, 1994-1996 written by Tibor Braun and published by World Scientific. This book was released on 1997 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a follow-up to the computerized fullerene bibliography related to the 1985-1993 period. It is a well-indexed overview of the journal literature on a topic for which the 1996 Nobel Prize in Chemistry was awarded. It is an indispensable tool for any specialist interested in the literature of one of the most researched interdisciplinary topics in the sciences.
Book Synopsis Carbon Nanotube-Based Sensors by : Anindya Nag
Download or read book Carbon Nanotube-Based Sensors written by Anindya Nag and published by CRC Press. This book was released on 2024-05-02 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon Nanotube-Based Sensors: Fabrication, Characterization, and Implementation highlights the latest research and developments on carbon nanotubes (CNTs) and their applications in sensors and sensing systems. It offers an overview of CNTs, including their synthesis, functionalization, characterization, and toxicology. It then delves into the fabrication and various applications of CNT-based sensors. FEATURES Defines the significance of different forms of CNT-based sensors synthesized for diverse engineering applications and compares the feasibility of their generation Helps readers evaluate different types of fabrication techniques to generate CNTs and their subsequent sensing Discusses fabrication of low-cost, efficient CNTs-based sensors that can be used for diverse applications and sheds light on synthesis methods for a range of printing techniques Highlights challenges and advances in security-related issues using CNTs-based sensors This book is aimed at researchers in the fields of materials and electrical engineering who are interested in the development of sensor technology for industrial, biomedical, and related applications.
Download or read book Index Medicus written by and published by . This book was released on 2004 with total page 2454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
