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Author: Srikanta Moharana
Publisher: Springer Nature
ISBN: 9819763290
Category :
Languages : en
Pages : 493
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Book Description
Author: Srikanta Moharana
Publisher: Springer Nature
ISBN: 9819763290
Category :
Languages : en
Pages : 493
Get Book Here
Book Description
Author: Eduardo A. Castro
Publisher: CRC Press
ISBN: 1000770486
Category : Technology & Engineering
Languages : en
Pages : 338
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Book Description
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
Author: Magdalena Kierkowicz
Publisher:
ISBN: 9788449077302
Category :
Languages : en
Pages : 220
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Book Description
La alta superficie y el hueco interior de los nanotubos de carbono (del inglés CNTs) los convierte en candidatos ideales para el desarrollo de nanovectores inteligentes para su aplicación en nanomedicina. Su cavidad interna puede emplearse para alojar compuestos seleccionados para propósitos de diagnóstico o terapéuticos, mientras que las paredes externas pueden modificarse para aumentar su biocompatibilidad e incluso para su direccionamiento. Un reto importante para trasladar los sistemas basados en CNT a su uso clínico es la reducción o eliminación de su toxicidad. Teniendo en cuenta la preocupación sobre salud y seguridad de nanomateriales, se han intensificado los esfuerzos de investigación para mejorar la biocompatibilidad de los CNTs, incluyendo el desarrollo de nuevas estrategias para el acortamiento y purificación de los mismos. La primera parte de esta tesis se enfoca en el estudio de la influencia del vapor de agua sobre la longitud, pureza y la integridad de las paredes de los nanotubos de carbono monocapa (del inglés SWCNTs) producidos tanto por deposición catalítica en fase de vapor (del inglés CVD ) como por descarga de arco. Para obtener nanotubos de carbono individualizados desarrollamos un protocolo que consiste en dispersar las muestras en orto-diclorobenceno y hemos empleado microscopía electrónica de barrido para adquirir las imágenes. CVD CNTs cortos con una longitud media de aprox. 200 nm se obtienen después de 10 h de tratamiento con vapor de agua, mientras que los CNT sintetizados por descarga de arco muestran una baja reactividad frente el vapor de agua. También se investigó la eficiencia de otros métodos de acortamiento comúnmente empleados, como son la molienda de bolas, una mezcla de ácido sulfúrico/nítrico y el tratamiento con piraña, tanto para SWCNTs como para CNTs multicapa (del inglés MWCNT) producidos por CVD. La combinación de piraña y vapor de agua resultó ser la más eficiente para el acortamiento de SWCNTs, y la combinación de ácido sulfúrico/nítrico con vapor de agua para MWCNTs. Estos protocolos proporcionan un buen equilibrio entre la obtención de nanotubos cortos con una distribución de longitud pequeña y la pureza de las muestras con un alto rendimiento de producción. En la segunda parte, estudiamos la encapsulación de distintos haluros metálicos, de interés tanto para imagen como para terapia, dentro de SWCNTs preparados por CVD y por descarga de arco. Se ha investigado el papel que juega la temperatura de calientamiento en el grado de cierre de las puntas de los nanotubos de carbono. Este estudio ha permitido la preparación de CNTs llenos con haluros metálicos de forma eficiente. El llenado de nanotubos de carbono da lugar a muestras que contienen una gran cantidad de material no encapsulado, externo a los nanotubos de carbono, que puede afectar e incluso dominar las propiedades de los nanotubos de carbono llenos. Por lo tanto, desarrollamos un protocolo que permite la eliminación de compuestos no encapsulados en poco tiempo y respetuoso con el medio ambiente, utilizando agua como solvente "verde" en un sistema Soxhlet, a la vez que se minimiza la cantidad de agua residual. La última parte de la tesis describe la modificación de las paredes externas de CNTs llenos. SWCNTs se han funcionalizado covalentemente a través de las reacciones de Tour y Prato, la primera resultando en un grado de funcionalización mayor. Para completar el estudio, las paredes externas de MWCNT llenos con cloruro de lutecio fueron decoradas con nanopartículas de oro. Estas nanocápsulas híbridas tienen interés para su uso como agentes duales para el diagnóstico y la terapia. En resumen, esta tesis aporta nuevos conocimientos sobre la preparación de nanocápsulas de carbono, para el desarrollo de la siguiente generación de agentes teranósticos.
Author: P. Lambropoulos
Publisher: Springer Science & Business Media
ISBN: 3642702007
Category : Science
Languages : en
Pages : 206
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Book Description
The chapters of this volume represent the invited papers delivered at the 3rd International Conference on Multiphoton Processes (ICOMP III) held in Iraklion, Crete, Greece, September 5-11, 1984. The invited papers at a conference like ICOMP cannot possibly cover the whole field which has grown to immense proportions in recent years, overlapping with such diverse areas as atomic and molecular spectroscopy, plasma physics, nonlinear optics, quantum optics, etc. We believe these contributions represent that part of the research activity which has been attracting the most interest in the past year or so, as well as reviews of some of the more established topics. Even within this scope, and given the confines imposed by the fi nite duration of a conference, important and timely topics are inevitably left out. But then, there will be ICOMP IV. The collection of articles in this volume, combined with extensive ref erences to related work given by the authors, should provide an introduc tion to the major problems of the field and its state of the art. The chapters have been arranged according to thematic proximity, beginning with atoms, and continuing on with molecules and surfaces. This classi fication, however, would not cover all the subject matter even within the limited scope of the conference and of this volume.
Author: Luis M Gandia
Publisher: Newnes
ISBN: 044456361X
Category : Technology & Engineering
Languages : en
Pages : 471
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Book Description
The fields covered by the hydrogen energy topic have grown rapidly, and now it has become clearly multidisciplinary. In addition to production, hydrogen purification and especially storage are key challenges that could limit the use of hydrogen fuel. In this book, the purification of hydrogen with membrane technology and its storage in "solid" form using new hydrides and carbon materials are addressed. Other novelties of this volume include the power conditioning of water electrolyzers, the integration in the electric grid of renewable hydrogen systems and the future role of microreactors and micro-process engineering in hydrogen technology as well as the potential of computational fluid dynamics to hydrogen equipment design and the assessment of safety issues. Finally, and being aware that transportation will likely constitute the first commercial application of hydrogen fuel, two chapters are devoted to the recent advances in hydrogen fuel cells and hydrogen-fueled internal combustion engines for transport vehicles. - Hydrogen from water and biomass considered - Holistic approach to the topic of renewable hydrogen production - Power conditioning of water electrolyzers and integration of renewable hydrogen energy systems considered - Subjects not included in previous books on hydrogen energy - Micro process technology considered - Subject not included in previous books on hydrogen energy - Applications of CFD considered - Subject not included in previous books on hydrogen energy - Fundamental aspects will not be discussed in detail consciously as they are suitably addressed in previous books - Emphasis on technological advancements - Chapters written by recognized experts - Up-to date approach to the subjects and relevant bibliographic references
Author: Dolores Eliche Quesada
Publisher: BoD – Books on Demand
ISBN: 1789857732
Category : Technology & Engineering
Languages : en
Pages : 108
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Book Description
Scientific and technological development has led to the formulation of tailor-made materials, which have given rise to materials with new structural and industrial applications. This book aims to analyze the synthesis, characterization, and applications of ceramic materials. This includes an introduction to traditional and advanced ceramics, the use of traditional ceramic materials as ideal candidates for absorbing wastes, and the synthesis and characterization of advanced ceramics as nanoceramics, ytria ceramics, and electronic ceramics.
Author: Dionysios D Dionysiou
Publisher: Royal Society of Chemistry
ISBN: 1782627103
Category : Science
Languages : en
Pages : 395
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Book Description
From environmental remediation to alternative fuels, this book explores the numerous important applications of photocatalysis. The book covers topics such as the photocatalytic processes in the treatment of water and air; the fundamentals of solar photocatalysis; the challenges involved in developing self-cleaning photocatalytic materials; photocatalytic hydrogen generation; photocatalysts in the synthesis of chemicals; and photocatalysis in food packaging and biomedical and medical applications. The book also critically discusses concepts for the future of photocatalysis, providing a fascinating insight for researchers. Together with Photocatalysis: Fundamentals and Perspectives, these volumes provide a complete overview to photocatalysis.
Author: Zishan Husain Khan
Publisher: Springer Nature
ISBN: 9811599041
Category : Technology & Engineering
Languages : en
Pages : 382
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Book Description
This book discusses new trends in nanotechnology. It covers a wide range of topics starting from applications of nanomaterials in perovskite solar cells, pharmacy, and dentistry to self-assembled growth of GaN nanostructures on flexible metal foils by laser molecular beam epitaxy. It also includes other interesting topics such as advancement in carbon nanotubes; processing techniques, purification and industrial applications, metal di-chalcogenides for waste water treatment and recent advancement in nanostructured-based electrochemical genosensors for pathogen detection and many more. The book will be of great interest to researchers, professionals and students working in the areas of nanomaterials and nanotechnology.
Author: Steven L Suib
Publisher: Newnes
ISBN: 0444538739
Category : Technology & Engineering
Languages : en
Pages : 493
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Book Description
New and Future Developments in Catalysis is a package of seven books that compile the latest ideas concerning alternate and renewable energy sources and the role that catalysis plays in converting new renewable feedstock into biofuels and biochemicals. Both homogeneous and heterogeneous catalysts and catalytic processes will be discussed in a unified and comprehensive approach. There will be extensive cross-referencing within all volumes.The use of solar energy during various catalytic chemical processes for the production of an array of chemical products is the theme of this volume. Photocatalysis is a topic of increasing importance due to its essential role in many of today's environmental and energy source problems. The use of solar energy for catalytic reactions results in a carbon dioxide–neutral process. All photocatalytic processes and the future developments in this area are discussed, including an economic analysis of the various processes. - Offers in-depth coverage of all catalytic topics of current interest and outlines future challenges and research areas - A clear and visual description of all parameters and conditions, enabling the reader to draw conclusions for a particular case - Outlines the catalytic processes applicable to energy generation and design of green processes
Author: Tatsuki Ohji
Publisher: John Wiley & Sons
ISBN: 1119100402
Category : Technology & Engineering
Languages : en
Pages : 538
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Book Description
In this book project, all the American Ceramic Society's Engineering Ceramics Division Mueller and Bridge Building Award Winners, the ICACC Plenary Speakers and the past Engineering Ceramics Division Chairs have been invited to write book chapters on a topic that is compatible with their technical interests and consistent with the scope of the book, which is to focus on the current status and future prospects of various technical topics related to engineering ceramics, advanced ceramics and composite materials. Topics include: Mechanical Behavior and Performance of Ceramics & Composites Non-Destructive Evaluation and Mechanical Testing of Engineering Ceramics Brittle and Composite Material Design Modern Fracture Mechanics of Ceramics Thermal/Environmental Barrier Coatings Advanced Ceramic Coatings for Functional Applications Advanced Ceramic Joining Technologies Ceramics for Machining, Friction, Wear, and Other Tribological Applications Ceramic Composites for High-Temperature Aerospace Structures and Propulsion Systems Thermal Protection Materials: From Retrospect to Foresight Carbon/Carbon Composites Ceramic-Matrix Composites for Lightweight Construction Ultra High-Temperature Ceramics (UHTC) Nanolaminated Ternary Carbides and Nitrides (MAX Phases) Ceramics for Heat Engine and Other Energy Related Applications Solid Oxide Fuel Cells (SOFC) Armor Ceramics Next Generation Bioceramics Ceramics for Innovative Energy and Storage Systems Designing Ceramics for Electrochemical Energy Storage Devices Nanostructured Materials and Nanotechnology Advanced Ceramic Processing and Manufacturing Technologies Engineering Porous Ceramics Thermal Management Materials and Technologies Geopolymers Advanced Ceramic Sensor Technology Advanced Ceramics and Composites for Nuclear and Fusion Applications Advanced Ceramic Technologies for Rechargeable Batteries
