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Author : Saumya Kothari
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (548 download)
Download or read book Chemical Vapor Deposition Growth of Carbon Nanotubes written by Saumya Kothari and published by . This book was released on 2003 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hosam El-Din Saleh
Publisher : BoD – Books on Demand
ISBN 13 : 1789844010
Total Pages : 250 pages
Book Rating : 4.7/5 (898 download)
Download or read book Perspective of Carbon Nanotubes written by Hosam El-Din Saleh and published by BoD – Books on Demand. This book was released on 2019-12-11 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes belong to new nanomaterials and have been known for almost 20 years, but their history is somewhat lengthier. They have been identified as promising candidates for various applications.High-temperature preparation techniques are conventional techniques for the synthesis of carbon nanotubes using arc discharge or laser ablation, but today these methods are being replaced by low-temperature vapor deposition techniques, since orientation, alignment, nanotube length, diameter, purity, and density of carbon nanotubes can be precisely controlled. The synthesis of carbon nanotubes by chemical vapor deposition on catalyst arrays leads to nanotube models grown from specific sites on surfaces. The controlled synthesis of nanotubes opens up interesting possibilities in nanoscience and nanotechnologies, including electrical, mechanical and electromechanical properties and devices, chemical functionalization, surface chemistry and photochemistry, molecular sensors, and interfacing with moderate biological systems.Carbon nanotubes are used in many applications due to their unique electrical, mechanical, optical, thermal, and other properties. Conductive and high-strength composite materials, energy saving and energy conversion devices, sensors, visualization of field emissions and sources of radiation, means for storing hydrogen, and nanoscale semiconductor devices, probes, and interconnections are some of the many applications of carbon nanotubes.
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 : J.L. Figueiredo
Publisher : Springer Science & Business Media
ISBN 13 : 9401568472
Total Pages : 577 pages
Book Rating : 4.4/5 (15 download)
Download or read book Carbon Fibers Filaments and Composites written by J.L. Figueiredo and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conventional synthetic materials, like metals, ceramics or glass, are usually isotropic substances, and their suitability for structural applications is achieved by morphological design and combination in the macroscopic scale. However, in modem engineering this is often not acceptable. As an alternative, the use of non-homogeneous, anisotropic materials, with significant stiffness and strength only in the directions these mechanical properties are really needed, can lead to enormous material (and weight) savings. This is the case of multiphase systems called composite materials. In these composites, different material parts are added and arranged geometrically, under clearly designed and controlled conditions. Usually, a structure of fibers provides strength and stiffness and a matrix helds them together, whilst providing the geometric form. Carbon fibers are among the high-performance fibers employed in these advanced structural composites, which are profoundly changing many of today's high technology industries. New research and development challenges in this area include upgrading the manufacturing process of fibers and composites, in order to improve characteristics and reduce costs, and modifying the interfacial properties between fibers and matrix, to guarantee better mechanical properties. The interdisciplinary nature of this "new frontier" is obvious, involving chemistry, materials science, chemical and mechanical engineering. Other topics, which more often are treated separately, are also important for the understanding of the processes of fiber production. Carbon filaments is one such topic, as the study of their mechanisms of nucleation and growth is clearly quite relevant to the production of vapour-grown carbon fibers.
Author : Christian Peter Deck
Publisher :
ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.:/5 (318 download)
Download or read book Growth and Characterization of Carbon Nanotubes Grown Via Chemical Vapor Deposition written by Christian Peter Deck and published by . This book was released on 2004 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gulfem Ipek Nasuf
Publisher :
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.:/5 (311 download)
Download or read book Carbon Nanotube Growth on Tool Steel Substrates by Thermal Chemical Vapor Deposition (CVD) written by Gulfem Ipek Nasuf and published by . This book was released on 2008 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Carbon nanotubes (CNTs) grown over metallic surfaces by chemical vapor deposition dramatically improve performances of these materials in case of utilizing them as electrodes or tribologically active materials. Proper adherence is necessitated for the purpose of lowering the contact resistance and increasing the mechanical robustness between the metallic surface and carbon nanotubes. This is attained via the direct growth of carbon nanotubes on the surface. However, a better understanding of the elements affecting the growth is essential to control the CNT density and alignment. In this study, comprehension of the effect of substrate surface properties and thermal chemical vapor deposition process parameters is achieved by observing the effectiveness of various pretreatment methods applied onto to modify the surface texture of different tool steel substrates and distinct synthesis conditions. Possible growth mechanism of CNTs on metallic substrates is discussed based on scanning electron microscope (SEM) and transmission electron microscope (TEM) observations. We propose a new treatment method for metallic substrates which uses hydrogen gas. This method causes the formation of dense and small-diameter nanotubes independent of the chemical composition of the metallic substrate.
Author : Boris S. Bokstein
Publisher :
ISBN 13 : 0198528043
Total Pages : 341 pages
Book Rating : 4.1/5 (985 download)
Download or read book Thermodynamics and Kinetics in Materials Science written by Boris S. Bokstein and published by . This book was released on 2005-06-30 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains ... "computer tests and laboratories."--CD-ROM label.
Author : Rafael Vargas-Bernal
Publisher : BoD – Books on Demand
ISBN 13 : 1838803378
Total Pages : 150 pages
Book Rating : 4.8/5 (388 download)
Download or read book Hybrid Nanomaterials written by Rafael Vargas-Bernal and published by BoD – Books on Demand. This book was released on 2020-06-10 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two of the hottest research topics today are hybrid nanomaterials and flexible electronics. As such, this book covers both topics with chapters written by experts from across the globe. Chapters address hybrid nanomaterials, electronic transport in black phosphorus, three-dimensional nanocarbon hybrids, hybrid ion exchangers, pressure-sensitive adhesives for flexible electronics, simulation and modeling of transistors, smart manufacturing technologies, and inorganic semiconductors.
Author : Yan Li
Publisher : Springer
ISBN 13 : 3030127001
Total Pages : 333 pages
Book Rating : 4.0/5 (31 download)
Download or read book Single-Walled Carbon Nanotubes written by Yan Li and published by Springer. This book was released on 2019-05-16 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.
Author : Jiji Abraham
Publisher : Springer Nature
ISBN 13 : 3030913465
Total Pages : 2099 pages
Book Rating : 4.0/5 (39 download)
Download or read book Handbook of Carbon Nanotubes written by Jiji Abraham and published by Springer Nature. This book was released on 2022-11-16 with total page 2099 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook covers the fundamentals of carbon nanotubes (CNT), their composites with different polymeric materials (both natural and synthetic) and their potential advanced applications. Three different parts dedicated to each of these aspects are provided, with chapters written by worldwide experts in the field. It provides in-depth information about this material serving as a reference book for a broad range of scientists, industrial practitioners, graduate and undergraduate students, and other professionals in the fields of polymer science and engineering, materials science, surface science, bioengineering and chemical engineering. Part 1 comprises 22 chapters covering early stages of the development of CNT, synthesis techniques, growth mechanism, the physics and chemistry of CNT, various innovative characterization techniques, the need of functionalization and different types of functionalization methods as well as the different properties of CNT. A full chapter is devoted to theory and simulation aspects. Moreover, it pursues a significant amount of work on life cycle analysis of CNT and toxicity aspects. Part 2 covers CNT-based polymer nanocomposites in approximately 23 chapters. It starts with a short introduction about polymer nanocomposites with special emphasis on CNT-based polymer nanocomposites, different manufacturing techniques as well as critical issues concerning CNT-based polymer nanocomposites. The text deeply reviews various classes of polymers like thermoset, elastomer, latex, amorphous thermoplastic, crystalline thermoplastic and polymer fibers used to prepare CNT based polymer composites. It provides detailed awareness about the characterization of polymer composites. The morphological, rheological, mechanical, viscoelastic, thermal, electrical, electromagnetic shielding properties are discussed in detail. A chapter dedicated to the simulation and multiscale modelling of polymer nanocomposites is an additional attraction of this part of the Handbook. Part 3 covers various potential applications of CNT in approximately 27 chapters. It focuses on individual applications of CNT including mechanical applications, energy conversion and storage applications, fuel cells and water splitting, solar cells and photovoltaics, sensing applications, nanofluidics, nanoelectronics and microelectronic devices, nano-optics, nanophotonics and nano-optoelectronics, non-linear optical applications, piezo electric applications, agriculture applications, biomedical applications, thermal materials, environmental remediation applications, anti-microbial and antibacterial properties and other miscellaneous applications and multi-functional applications of CNT based polymer nanocomposites. One chapter is fully focussed on carbon nanotube research developments: published papers and patents. Risks associated with carbon nanotubes and competitive analysis of carbon nanotubes with other carbon allotropes are also addressed in this Handbook.
Download or read book Surat pengajaran written by and published by . This book was released on 1821 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dimitra Vernardou
Publisher : MDPI
ISBN 13 : 3039439235
Total Pages : 94 pages
Book Rating : 4.0/5 (394 download)
Download or read book Advances in Chemical Vapor Deposition written by Dimitra Vernardou and published by MDPI. This book was released on 2021-01-15 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pursuing a scalable production methodology for materials and advancing it from the laboratory to industry is beneficial to novel daily-life applications. From this perspective, chemical vapor deposition (CVD) offers a compromise between efficiency, controllability, tunability and excellent run-to-run repeatability in the coverage of monolayers on substrates. Hence, CVD meets all of the requirements for industrialization in basically all areas, including polymer coatings, metals, water-filtration systems, solar cells and so on. The Special Issue “Advances in Chemical Vapor Deposition” is dedicated to providing an overview of the latest experimental findings and identifying the growth parameters and characteristics of perovskites, TiO2, Al2O3, VO2 and V2O5 with desired qualities for potentially useful devices.
Author : Ki-Hong Lee
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (88 download)
Download or read book Growth of Carbon Nanotubes and Semiconductor Nanowires on Silicon by Chemical Vapor Deposition written by Ki-Hong Lee and published by . This book was released on 2004 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Murray Whyte
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (765 download)
Download or read book Investigation Into the Growth Mechanisms of Carbon Nanotubes Formed Using Thermal Chemical Vapour Deposition written by William Murray Whyte and published by . This book was released on 2011 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : Chiu-Hui Wang
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (144 download)
Download or read book Growth of Carbon Nanotubes on Patterned Silicon Wafer by Thermal Chemical Vapor Deposition (CVD) written by Chiu-Hui Wang and published by . This book was released on 2005 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since Iijima discovered carbon nanotubes in 1991, its excellent mechanical, chemical, and other properties attract many scientists do related researches. In order to apply it into different fields successfully, how to grow up uniformed and quality carbon nanotubes become an important issue. In this thesis, carbon nanotubes are grown up on the patterned silicon wafer by thermal chemical vapor deposition. Adjust the processing conditions which include temperature, gas flow, catalyst thickness and time in each experiment to find out the better recipe for growing carbon nanotubes. The Scanning electron microscopy (SEM) and atomic force microscope (AFM) images present the best conditions in this experiment are: 700°C reaction temperature, 10 minutes pretreatment, less than 6 nm catalyst thickness, and short reaction time.
Download or read book PRODUCTION OF CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION. written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT PRODUCTION OF CARBON NANOTUBES BY CHEMICAL VAPOR DEPOSITION Ayhan, Umut Barýþ M.S., Department of Chemical Engineering Supervisor: Prof. Dr. Güngör Gündüz Co-Supervisor: Assoc. Prof. Dr. Burhanettin Çiçek July 2004, 75 pages Carbon nanotubes, which is one of the most attractive research subject for scientists, was synthesized by two different methods: Chemical vapor deposition (CVD), a known method for nanotube growth, and electron beam (e-beam), a new method which was used for the first time for the catalytic growth of carbon nanotubes. In both of the methods, iron catalyst coated silica substrates were used for the carbon nanotube growth, that were prepared by the Sol-Gel technique using aqueous solution of Iron (III) nitrate and tetraethoxysilane. The catalytic substrates were then calcined at 450 °C under vacuum and iron was reduced at 500°C under a flow of nitrogen and hydrogen. In CVD method the decomposition of acetylene gas was achieved at 600 °C and 750 °C and the carbon was deposited on the iron catalysts for nanotube growth. However, in e-beam method the decomposition of acetylene was achieved by applying pulsed high voltage on the gas and the carbon deposition on the silica substrate were done. The samples from both of the methods were characterized using transmission electron microscopy (TEM) and Raman spectroscopy techniques. TEM images and Raman spectra of the samples show that carbon nanotube growth has been achieved in both of the method. In TEM characterization, all nanotubes were found to be multi-walled carbon nanotubes (MWNT) and no single-walled carbon nanotubes (SWNT) were pictured. However, the Raman spectra show that there are also SWNTs in some of the samples.
