Synthesis Characterization And Modification Of Carbon Nanomaterials
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Synthesis Characterization And Modification Of Carbon Nanomaterials
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Author : Franziska Schäffel
language : en
Publisher:
Release Date : 2009
Synthesis Characterization And Modification Of Carbon Nanomaterials written by Franziska Schäffel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Synthesis Characterization And Modification Of Carbon Nanomaterials
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Author :
language : en
Publisher:
Release Date : 2001
Synthesis Characterization And Modification Of Carbon Nanomaterials written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
The main objective of the present thesis is to deepen the understanding of the mechanisms involved in catalytic growth of carbon nanotubes (CNT) and related processes, such as the catalytic hydrogenation, and to use this knowledge to optimize the experimental approaches in order to gain better control in the synthesis and modification of carbon nanomaterials. Controlled growth of the CNT is achieved using gas-phase prepared catalyst particles (Fe, Co) which serve as individual catalytic nucleation sites in a chemical vapor deposition (CVD) process. These studies highlight that the controlled preparation of catalyst particles is a crucial step in order to control the CNT morphology. The resultant CNT diameter and the CNT density are found to increase with increasing nanoparticle diameter and density, respectively. The number of walls of the CNT also increases with increasing primary catalyst size. The experimentally derived correlations between the particle diameter on one hand and the CNT diameter and the CNT number of walls on the other hand are attributed to an increase of the catalyst's volume-to-surface area ratio with increasing particle size. While the availability of carbon dissolved within the catalyst at the point of nucleation is determined by the catalyst volume, the amount of carbon required to form a cap depends on the surface area of the catalyst particle. Electron microscopy studies of the catalyst/substrate/carbon interfaces of CNT grown from Fe nanoparticles reveal that the CNT walls are anchored to the oxide substrate which contests the general argument that the CNT walls stem from atomic steps at the catalyst. It is argued that after nucleation, the substrate itself provides a catalytic functionality towards the stimulation of ongoing CNT growth, whereas the catalytic activity of the metal particle is more restricted to the nucleation process. Selective hard-magnetic functionalization of CNT tips has been achieved in a plasma-enhanced CVD process.
Carbon Nanotubes And Related Structures
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Author : Dirk M. Guldi
language : en
Publisher: John Wiley & Sons
Release Date : 2010-01-26
Carbon Nanotubes And Related Structures written by Dirk M. Guldi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-01-26 with Technology & Engineering categories.
Written by the most prominent experts and pioneers in the field, this ready reference combines fundamental research, recent breakthroughs and real-life applications in one well-organized treatise. As such, both newcomers and established researchers will find here a wide range of current methods for producing and characterizing carbon nanotubes using imaging as well as spectroscopic techniques. One major part of this thorough overview is devoted to the controlled chemical functionalization of carbon nanotubes, covering intriguing applications in photovoltaics, organic electronics and materials design. The latest research on novel carbon-derived structures, such as graphene, nanoonions and carbon pea pods, round off the book.
Advanced Carbon Materials And Technology
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Author : Ashutosh Tiwari
language : en
Publisher: John Wiley & Sons
Release Date : 2014-01-28
Advanced Carbon Materials And Technology written by Ashutosh Tiwari and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-28 with Technology & Engineering categories.
The expansion of carbon materials is multidisciplinary and is related to physics, chemistry, biology, applied sciences and engineering. The research on carbon materials has mostly focused on aspects of fundamental physics as they unique electrical, thermal and mechanical properties applicable for the range of applications. The electrons in graphene and other derived carbon materials behave as dirac fermions due to their interaction with the ions of the lattice. This direction has led to the discovery of new phenomena such as Klein tunneling in carbon based solid state systems and the so-called half-integer quantum Hall effect. Advanced Carbon Materials and Technology presents cutting-edge chapters on the processing, properties and technological developments of graphene, carbon nanotubes, carbon fibers, carbon particles and other carbon based structures including multifunctional graphene sheets, graphene quantum dots, bulky balls, carbon balls, and their polymer composites. This book brings together respected international scholars writing on the innovative methodologies and strategies adopted in carbon materials research area including Synthesis, characterization and functionalization of carbon nanotubes and graphene Surface modification of graphene Carbon based nanostructured materials Graphene and carbon nanotube based electrochemical (bio)sensors for environmental monitoring Carbon catalysts for hydrogen storage materials Optical carbon nanoobjects Graphene and carbon nanotube based biosensors Carbon doped cryogel films Bioimpact of carbon nanomaterials Photocatalytic nature of carbon nanotube based composites Engineering behavior of ash fills Fly ash syntactic foams microstructure
Carbon Composites
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Author : Eduardo A. Castro
language : en
Publisher: CRC Press
Release Date : 2023-05-31
Carbon Composites written by Eduardo A. Castro and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-31 with Technology & Engineering categories.
This book covers the innovative methodologies and strategies adopted in carbon materials research area including: Synthesis, characterization, and functionalization of carbon nanotubes and graphene Surface modification of graphene Carbon-based nanostructured materials The use of carbon nanomaterials for energy applications Development of carbon nanotubes reinforced metal matrix composites and non-metallic composites and their myriad potential end-use applications Key challenges to the successful and widespread implementation of carbon nanotubes reinforced metal matrix composites and non-metallic composites Methods for quantification and improved control of carbon nanotubes distributions Recent research and design trends for carbon nanomaterials-based sensors for a variety of applications Advances and potential applications in environmental monitoring and healthcare
Graphene From Natural Sources
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Author : Amir Al-Ahmed
language : en
Publisher: CRC Press
Release Date : 2022-07-18
Graphene From Natural Sources written by Amir Al-Ahmed and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-18 with Science categories.
This book examines the synthesis of graphene obtained from different natural raw materials and waste products as a low-cost, environmentally friendly alternative that delivers a quality final product. Expert researchers review potential sources of natural raw materials and waste products, methods or characterization, graphene synthesis considerations, and important applications. FEATURES Explores the different approaches to the synthesis of graphene oxide (GO) and reduced graphene oxide (rGO) from natural and industrial carbonaceous wastes Outlines the modification and characterization methods of GO and rGO Addresses the characterization methods of GO and rGO Details applications of GO and rGO created from natural sources Graphene is a multidisciplinary material with applications in almost every sector of science and engineering. Graphene from Natural Sources: Synthesis, Characterization, and Applications is a noteworthy reference for material scientists and engineers in academia and industry interested in reducing costs and employing green synthesis methods in their work.
Carbon Nanotubes
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Author : Michael J. O’Connell
language : en
Publisher: CRC Press
Release Date : 2018-10-03
Carbon Nanotubes written by Michael J. O’Connell and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-03 with Technology & Engineering categories.
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.
Carbon And Oxide Nanostructures
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Author : Noorhana Yahya
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-01-12
Carbon And Oxide Nanostructures written by Noorhana Yahya and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-12 with Technology & Engineering categories.
This volume covers all aspects of carbon and oxide based nanostructured materials. The topics include synthesis, characterization and application of carbon-based namely carbon nanotubes, carbon nanofibres, fullerenes, carbon filled composites etc. In addition, metal oxides namely, ZnO, TiO2, Fe2O3, ferrites, garnets etc., for various applications like sensors, solar cells, transformers, antennas, catalysts, batteries, lubricants, are presented. The book also includes the modeling of oxide and carbon based nanomaterials. The book covers the topics: Synthesis, characterization and application of carbon nanotubes, carbon nanofibres, fullerenes Synthesis, characterization and application of oxide based nanomaterials. Nanostructured magnetic and electric materials and their applications. Nanostructured materials for petro-chemical industry. Oxide and carbon based thin films for electronics and sustainable energy. Theory, calculations and modeling of nanostructured materials.
Carbon Nanotubes Synthesis Characterization And Applications
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Author : Kamal K. Kar
language : en
Publisher: Research Publishing Service
Release Date : 2011
Carbon Nanotubes Synthesis Characterization And Applications written by Kamal K. Kar and has been published by Research Publishing Service this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Carbon categories.
Two Dimensional Carbon
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Author : Wu Yihong
language : en
Publisher: CRC Press
Release Date : 2014-04-09
Two Dimensional Carbon written by Wu Yihong and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-09 with Science categories.
After a brief introduction to the fundamental properties of graphene, this book focuses on synthesis, characterization and application of various types of two-dimensional (2D) nanocarbons ranging from single/few layer graphene to carbon nanowalls and graphene oxides. Three major synthesis techniques are covered: epitaxial growth of graphene on SiC, chemical synthesis of graphene on metal, and chemical vapor deposition of vertically aligned carbon nanosheets or nanowalls. One chapter is dedicated to characterization of 2D nanocarbon using Raman spectroscopy. It provides extensive coverage for applications of 2D carbon in energy storage including supercapacitor, lithium ion battery and fuel cells.