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Functionalization Of Hydrogen Free Diamond Like Carbon Films Using Open Air Dielectric Barrier Discharge Atmospheric Plasma Treatments
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Book Synopsis Functionalization of Hydrogen-free Diamond-like Carbon Films Using Open-air Dielectric Barrier Discharge Atmospheric Plasma Treatments by :
Download or read book Functionalization of Hydrogen-free Diamond-like Carbon Films Using Open-air Dielectric Barrier Discharge Atmospheric Plasma Treatments written by and published by . This book was released on 2007 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dielectric barrier discharge (DBD) technique has been employed to produce uniform atmospheric plasmas of He and N2 gas mixtures in open air in order to functionalize the surface of filtered-arc deposited hydrogen-free diamond-like carbon (DLC) films. XPS measurements were carried out on both untreated and He/N2 DBD plasma treated DLC surfaces. Chemical states of the C 1s and N 1s peaks were collected and used to characterize the surface bonds. Contact angle measurements were also used to record the short- and long-term variations in wettability of treated and untreated DLC. In addition, cell viability tests were performed to determine the influence of various He/N2 atmospheric plasma treatments on the attachment of osteoblast MC3T3 cells. Current evidence shows the feasibility of atmospheric plasmas in producing long-lasting variations in the surface bonding and surface energy of hydrogen-free DLC and consequently the potential for this technique in the functionalization of DLC coated devices.
Book Synopsis Diamond-Like Carbon Coatings by : Peerawatt Nunthavarawong
Download or read book Diamond-Like Carbon Coatings written by Peerawatt Nunthavarawong and published by CRC Press. This book was released on 2022-08-08 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diamond-like carbons (DLCs) display a number of attractive properties that make them versatile coating materials for a variety of applications, including extremely high hardness values, very low friction properties, very low gas permeability, good biocompatibility, and very high electrical resistivity, among others. Further research into this material is required to produce hydrogen-free DLC films and to synthesize it together with other materials, thereby obtaining better film properties. Diamond-Like Carbon Coatings: Technologies and Applications examines emerging manufacturing technologies for DLCs with the aim of improving their properties for use in practical applications. Discusses DLC coatings used in mechanical, manufacturing, and medical applications Details recent developments in the novel synthesis of DLC films Covers advances in understanding of chemical, structural, physical, mechanical, and tribological properties for modern material processing Highlights methods to yield longer service life Considers prospects for future applications of emerging DLC technologies This work is aimed at materials science and engineering researchers, advanced students, and industry professionals.
Book Synopsis Diamond and Diamond-like Films and Coatings by : Robert E. Clausing
Download or read book Diamond and Diamond-like Films and Coatings written by Robert E. Clausing and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diamond films grown by activated chemical vapor deposition have superlative thermal, mechanical, optical, and electronic properties combined with a very high degree of chemical inertness to most environments. These properties, together with the ability to fabricate films and shapes of considerable size, promise an exciting new material with many applications. Some applications are on the verge of commercialization but many await a few more technological developments. Diamond-like films are already employed in both commercial and military applications. The popular press, as well as the scientific and technological and industrial communities, are increasingly interested in the potential for future development of these materials. Although there are many technical papers and review articles published, there is no Single comprehensive introduction to these technologies. The Scientific Affairs Division of NATO recognized the need and the future importance of these technologies and authorized an Advanced Study Institute on diamond and diamond-like films. NATO Advanced Study Institutes are high level teaching activities at which a carefully defined subject is presented in a systematic and coherently structured program. The subject is treated in considerable depth by lecturers eminent in their fields and of international standing. The presentations are made to students who are scientists in the field or who possess an advanced general scientific background.
Book Synopsis Plasma Physics in Pulsed Laser Deposition of Hydrogen-free Diamond-like Carbon Films and Nanocomposites by :
Download or read book Plasma Physics in Pulsed Laser Deposition of Hydrogen-free Diamond-like Carbon Films and Nanocomposites written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation focuses on the analysis of the plasma plume created in pulsed laser ablation thin film deposition of diamond-like carbon and the correlation of the characteristics of the plume to thin film properties. Diamond-like carbon films were deposited on silicon substrates by pulsed laser deposition at different laser energy densities. Important plasma parameters, such as ion kinetic energy, ion density, and electron temperature are altered by changing the laser energy density. These plasma properties determine the coordination states of carbon atoms within the deposited film. The diamond-like and graphite-like coordination states of carbon, termed sp3 and sp2, respectively, determine film properties such as hardness, optical properties, and electronic properties. The sp3 fraction of the diamond-like carbon was directly determined through electron energy loss spectroscopy. The microstructure of the sp2 coordinated carbon was determined with visible Raman spectroscopy. Plasma properties were analyzed by quadruple Langmuir probes and mass loss measurements. Langmuir probe measurements indicate that ion density, ion flow speed, and electron temperature increase with laser energy density. Mass loss measurements show that the plume has an ionization fraction between 5 and 10 percent. Therefore, neutral particles have a significant role in film growth. Current models for the growth of diamond-like carbon films are reviewed. A deposition model based on electronic excitation is proposed. The probability of surpassing the energy barrier between sp2 and sp3 coordination is increased via an effective reduction of the activation barrier due to electronic excitation. The energy for electronic excitation is supplied by electron and photon interactions with ions and neutrals in the plume, as well as recombination of ions at the surface. To investigate the effect of magnetic fields on plasma properties and film growth, a strong magnetic field.
Book Synopsis Optical and Tribological Properties of Diamond-like Carbon Films Synthesized by Plasma Immersion Ion Processing by :
Download or read book Optical and Tribological Properties of Diamond-like Carbon Films Synthesized by Plasma Immersion Ion Processing written by and published by . This book was released on 1999 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hard diamond-like carbon (DLC) films have been prepared on PMMA (Polymethyl methacrylate), glass, and Si(100) substrates using C2H2-Ar plasma immersion ion processing (PIIP). The composition, structure, and properties of the films were investigated with regard to variation of the deposition parameters. It was found that the modulation of reactive gas composition during PIIP could enhance the formation of DLC films with an increased sp3 bonding structure, improved surface smoothness, high density and high hardness. An optimal combination of good optical properties and high hardness was highly dependent on the control of hydrogen content in the DLC films. Tribological tests showed that DLC-coated glass and PMMA samples exhibited a reduced friction coefficient and enhanced wear resistance relative to uncoated glass and PMMA materials. The effects of ion energy and gas composition during PIIP deposition on the formation of optically transparent and wear resistant DLC films are discussed.
Book Synopsis Deposition and Characterization of Diamond-like Carbon Films with and Without Hydrogen and Nitrogen by : Asghar N. Kayani
Download or read book Deposition and Characterization of Diamond-like Carbon Films with and Without Hydrogen and Nitrogen written by Asghar N. Kayani and published by . This book was released on 2003 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deposition of Diamond and Diamondlike Carbon Films Using RF Plasma by : Chian Hong Tan
Download or read book Deposition of Diamond and Diamondlike Carbon Films Using RF Plasma written by Chian Hong Tan and published by . This book was released on 2004 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Method and Apparatus for Making Diamond-Like Carbon Films by :
Download or read book Method and Apparatus for Making Diamond-Like Carbon Films written by and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ion-assisted plasma enhanced deposition of diamond-like carbon (DLC) films on the surface of photovoltaic solar cells is accomplished with a method and apparatus for controlling ion energy. The quality of DLC layers is fine-tuned by a properly biased system of special electrodes and by exact control of the feed gas mixture compositions. Uniform (with degree of non-uniformity of optical parametersless than 5%) large area (more than 110 cm2) DLC films with optical parameters varied within the given range and with stability against harmful effects of the environment are achieved.
Book Synopsis Plasma Physics in Pulsed Laser Deposition of Hydrogen-free Diamond-like Carbon Films and Nanocomposites by : Jason Dirk Haverkamp
Download or read book Plasma Physics in Pulsed Laser Deposition of Hydrogen-free Diamond-like Carbon Films and Nanocomposites written by Jason Dirk Haverkamp and published by . This book was released on 2004 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: pulsed laser deposition, diamond-like carbon, laser ablation, laser plasma, magnetic field, nanoparticles.
Book Synopsis Plasma Catalysis by : Annemie Bogaerts
Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.
Book Synopsis Diamond-like Carbon Films by : Yuto S. Tanaka
Download or read book Diamond-like Carbon Films written by Yuto S. Tanaka and published by Nova Biomedical Books. This book was released on 2012-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents current research from across the globe in the study of diamond-like carbon films. Topics discussed include the peculiarities of ion-beam synthesis of carbon-based phases; electron field emission properties of non-metal and metal doped diamond like carbon; internal stress and its reduction of hydrogenated diamond-like carbon thin films deposited by plasma CVD methods; incorporating crystalline diamond particles in diamond-like carbon films to improve their properties and diamond-like carbon films applied as an alignment layer for LCDs.
Book Synopsis Plasma Polymer Films by : Hynek Biederman
Download or read book Plasma Polymer Films written by Hynek Biederman and published by World Scientific. This book was released on 2004 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma Polymer Films examines the current status of the deposition and characterization of fluorocarbon-, hydrocarbon- and silicon-containing plasma polymer films and nanocomposites, with plasma polymer matrix. It introduces plasma polymerization process diagnostics such as optical emission spectroscopy (OES, AOES), and describes special deposition techniques such as atmospheric pressure glow discharge. Important issues for applications such as degradation and stability are treated in detail, and structural characterization, basic electrical and optical properties and biomedical applications are discussed.
Book Synopsis Carbon Nanotubes by : Mohamed Berber
Download or read book Carbon Nanotubes written by Mohamed Berber and published by BoD – Books on Demand. This book was released on 2016-07-20 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows the recent advances of the applications of carbon nanotubes (CNTs), in particular, the polymer functionalized carbon nanotubes. It also includes a comprehensive description of carbon nanotubes' preparation, properties, and characterization. Therefore, we have attempted to provide detailed information about the polymer-carbon nanotube composites. With regard to the unique structure and properties of carbon nanotubes, a series of important findings have been reported. The unique properties of carbon nanotubes, including thermal, mechanical, and electrical properties, after polymer functionalization have been documented in detail. This book comprises 18 chapters. The chapters include different applications of polymer functionalization CNTs, e.g. photovoltaic, biomedical, drug delivery, gene delivery, stem cell therapy, thermal therapy, biological detection and imaging, electroanalytical, energy, supercapacitor, and gas sensor applications.
Book Synopsis Applications of Plasma Technologies to Material Processing by : Giorgio Speranza
Download or read book Applications of Plasma Technologies to Material Processing written by Giorgio Speranza and published by CRC Press. This book was released on 2019-04-10 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a survey of the latest research and developments in plasma technology. In an easy and comprehensive manner, it explores what plasma is and the technologies utilized to produce plasma. It then investigates the main applications and their benefits. Different from other books on the topic that focus on specific aspects of plasma technology, the intention is to provide an introduction to all aspects related to plasma technologies. This book will be an ideal resource for graduate students studying plasma technologies, in addition to researchers in physics, engineering, and materials science Features Accessible and easy to understand Provides simple yet exhaustive explanations of the foundations Explores the latest technologies and is filled with practical applications and case studies
Book Synopsis Carbon Nanotubes and Related Structures by : Dirk M. Guldi
Download or read book Carbon Nanotubes and Related Structures written by Dirk M. Guldi and published by John Wiley & Sons. This book was released on 2010-01-26 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Carbon-Containing Polymer Composites by : Mostafizur Rahaman
Download or read book Carbon-Containing Polymer Composites written by Mostafizur Rahaman and published by Springer. This book was released on 2018-10-05 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the methods synthesizing various carbon materials, like graphite, carbon blacks, carbon fibers, carbon nanotubes, and graphene. It also details different functionalization and modification processes used to improve the properties of these materials and composites. From a geometrical–structural point of view, it examines different properties of the composites, such as mechanical, electrical, dielectric, thermal, rheological, morphological, spectroscopic, electronic, optical, and toxic, and describes the effects of carbon types and their geometrical structure on the properties and applications of composites.
Book Synopsis The Foundations of Vacuum Coating Technology by : Donald M. Mattox
Download or read book The Foundations of Vacuum Coating Technology written by Donald M. Mattox and published by William Andrew. This book was released on 2018-08-21 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Foundations of Vacuum Coating Technology, Second Edition, is a revised and expanded version of the first edition, which was published in 2003. The book reviews the histories of the various vacuum coating technologies and expands on the history of the enabling technologies of vacuum technology, plasma technology, power supplies, and low-pressure plasma-enhanced chemical vapor deposition. The melding of these technologies has resulted in new processes and products that have greatly expanded the application of vacuum coatings for use in our everyday lives. The book is unique in that it makes extensive reference to the patent literature (mostly US) and how it relates to the history of vacuum coating. The book includes a Historical Timeline of Vacuum Coating Technology and a Historical Timeline of Vacuum/Plasma Technology, as well as a Glossary of Terms used in the vacuum coating and surface engineering industries. History and detailed descriptions of Vacuum Deposition Technologies Review of Enabling Technologies and their importance to current applications Extensively referenced text Patents are referenced as part of the history Historical Timelines for Vacuum Coating Technology and Vacuum/Plasma Technology Glossary of Terms for vacuum coating
