Download or read book tude microstructurale de gels et de couches minces de SnO2 written by Wael Hamd and published by Editions Universitaires Europeennes. This book was released on 2011-11 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail est consacre a l'elaboration par voie sol-gel de gels et de couches minces de SnO2 a partir d'alkoxydes et de sels d'etain modifies. L'etude de la gelification a concerne plus particulierement les gels prepares dans un solvant mixte toluene/isopropanol. Bien que la cinetique de gelification soit considerablement influencee par le taux de complexation et par la concentration en alkoxyde, ces deux parametres n'ont pas d'effet notable sur la structure finale des gels. Au contraire, cette derniere est remarquablement dependante du taux de toluene. Nous avons d'autre part etudie les processus de croissance granulaire et de texturation au sein des couches minces realisees a partir de ces precurseurs. A basse temperature, la croissance granulaire est regie par un mecanisme de diffusion de surface alors qu'au-dela de 1100 C c'est le processus d'evaporation-condensation qui predomine. Parallelement, a cette croissance granulaire, on observe une texturation progressive des couches.
Download or read book Elaboration par voie sol gel et tude microstructurale de gels et de couches minces de SnO2 written by Wael Hamd and published by . This book was released on 2009 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail est consacré à l’élaboration par voie sol-gel de gels et de couches minces de SnO2 à partir d’alkoxydes et de sels d’étain modifiés. L’étude de la gélification a concerné plus particulièrement les gels préparés dans un solvant mixte toluène/isopropanol. Bien que la cinétique de gélification soit considérablement influencée par le taux de complexation et par la concentration en alkoxyde, ces deux paramètres n’ont pas d’effet notable sur la structure finale des gels. Au contraire, cette dernière est remarquablement dépendante du taux de toluène. Nous avons d’autre part étudié les processus de croissance granulaire et de texturation au sein des couches minces réalisées à partir de ces précurseurs. A basse température, la croissance granulaire est régie par un mécanisme de diffusion de surface alors qu’au-delà de 1100 °C c’est le processus d’évaporation-condensation qui prédomine. Parallèlement, à cette croissance granulaire, on observe une texturation progressive des couches.
Download or read book Sol Gel Optics written by Lisa C. Klein and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 589 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sol--Gel--Optics encompasses numerous schemes for fabricating optical materials from gels -- materials such as bulk optics, optical waveguides, doped oxides for laser and nonlinear optics, gradient refractive index (GRIN) optics, chemical sensors, environmental sensors, and `smart' windows. Sol--Gel--Optics: Processing and Applications provides in-depth coverage of the synthesis and fabrication of these materials and discusses the optics related to microporous, amorphous, crystalline and composite materials. The reader will also find in this book detailed descriptions of new developments in silica optics, bulk optics, waveguides and thin films. Various applications to sensor and device technology are highlighted. For researchers and students looking for novel optical materials, processing methods or device ideas, Sol--Gel--Optics: Processing and Applications surveys a wide array of promising new avenues for further investigation and for innovative applications. (This book is the first in a new subseries entitled `Electronic Materials: Science and Technology).
Download or read book Coatings on Glass written by Hans K. Pulker and published by . This book was released on 1984 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Download or read book Chromium Doped TiO2 Sputtered Thin Films written by Anouar Hajjaji and published by Springer. This book was released on 2014-12-24 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents co-sputtered processes ways to produce chrome doped TiO2 thin films onto various substrates such as quartz, silicon and porous silicon. Emphasis is given on the link between the experimental preparation and physical characterization in terms of Cr content. Moreover, the structural, optical and optoelectronic investigations are emphasized throughout. The book explores the potencial applications of devices based on Cr doped TiO2 thin films as gas sensors and in photocatalysis and in the photovoltaic industry. Also, this book provides extensive leads into research literature, and each chapter contains details which aim to develop awareness of the subject and the methods used. The content presented here will be useful for graduate students as well as researchers in materials science, physics, chemistry and engineering.
Download or read book Ceramic Materials written by Philippe Boch and published by John Wiley & Sons. This book was released on 2010-01-05 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is primarily an introduction to the vast family of ceramic materials. The first part is devoted to the basics of ceramics and processes: raw materials, powders synthesis, shaping and sintering. It discusses traditional ceramics as well as “technical” ceramics – both oxide and non-oxide – which have multiple developments. The second part focuses on properties and applications, and discusses both structural and functional ceramics, including bioceramics. The fields of abrasion, cutting and tribology illustrate the importance of mechanical properties. It also deals with the questions/answers of a ceramicist regarding electronuclear technology. As chemistry is an essential discipline for ceramicists, the book shows, in particular, what soft chemistry can contribute as a result of sol-gel methods.
Download or read book Handbook of Transparent Conductors written by David S. Ginley and published by Springer Science & Business Media. This book was released on 2010-09-11 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transparent conducting materials are key elements in a wide variety of current technologies including flat panel displays, photovoltaics, organic, low-e windows and electrochromics. The needs for new and improved materials is pressing, because the existing materials do not have the performance levels to meet the ever- increasing demand, and because some of the current materials used may not be viable in the future. In addition, the field of transparent conductors has gone through dramatic changes in the last 5-7 years with new materials being identified, new applications and new people in the field. “Handbook of Transparent Conductors” presents transparent conductors in a historical perspective, provides current applications as well as insights into the future of the devices. It is a comprehensive reference, and represents the most current resource on the subject.
Download or read book Thin Film Solar Cells written by Jef Poortmans and published by John Wiley & Sons. This book was released on 2006-10-16 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin-film solar cells are either emerging or about to emerge from the research laboratory to become commercially available devices finding practical various applications. Currently no textbook outlining the basic theoretical background, methods of fabrication and applications currently exist. Thus, this book aims to present for the first time an in-depth overview of this topic covering a broad range of thin-film solar cell technologies including both organic and inorganic materials, presented in a systematic fashion, by the scientific leaders in the respective domains. It covers a broad range of related topics, from physical principles to design, fabrication, characterization, and applications of novel photovoltaic devices.
Download or read book Applied Nanotechnology written by Vladimir Ivanovitch Kodolov and published by CRC Press. This book was released on 2016-12-08 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: This important book presents a collection of scientific papers on recent theoretical and practical advances in nanostructures, nanomaterials, and nanotechnologies. Highlighting some of the latest developments and trends in the field, the volume presents the developments of advanced nanostructured materials and the respective tools to characterize and predict their properties and behavior.
Download or read book Preparative Layer Chromatography written by Teresa Kowalska and published by CRC Press. This book was released on 2006-02-03 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preparative Layer Chromatography explains how this method is used for separating large quantities of mixtures containing a wide variety of important compounds. It offers a broad review of preparative layer chromatography (PLC) applications and adaptable working procedures for microseparations involving organic, inorganic, and organometallic compoun
Download or read book Physics Briefs written by and published by . This book was released on 1985 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Sensors written by G. Sberveglieri and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: There were two reasons that induced me to plan and to organize this book, the first was the lack of a text entirely devoted to the subject of gas sensors, notwithstanding some books devoted to the various kind of chemical sensors have recently been published. The second reason was the need of introducing the basic topics of gas detection mechanisms to a growing number of researchers active in research and development laboratories of industries and uni versities. The field of chemical sensors is indeed in fast and consistent growth, as it is proved by the increased number of participants to the congresses that were recently held on this subject, namely the Third Meeting on Chemical Sensors (September 24 - 26, 1990, Cleveland), Transducers' 91 (June 24 - 27, 1991, S. Francisco) and EUROSENSORS V (September 30 - October 3, 1991, Rome). Therefore, this book is mainly intended as a reference text for researchers with a MS degree in physics, chemistry and electrical engineering; it reports the last progresses in the R. & D. and in the technology of gas sensors. I choose to deal specifically with the topic of gas sensors because these devices show a very large number of applications in the domestic and industrial field and they are characterized by a great effort of research and development.
Download or read book Ceramic Abstracts written by and published by . This book was released on 1998 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Sensor Technology written by Tetsuro Seiyama and published by Elsevier. This book was released on 2013-10-22 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical Sensor Technology is a series of annual reviews reporting the latest progress being made in research and technology, both basic and applied, regarding chemical sensors. Chemical sensors continue to grow rapidly in importance encompassing a broad spectrum of technologies covering safety, pollution, fuel economy, medical engineering and industrial processes. Various types of chemical sensors have been devised for detection and monitoring of chemical substances in gases, solutions and organisms, and much work is being done to produce sensitive, selective, reliable and inexpensive sensors. The series aims at contributing to the progress of research and development of chemical sensors. Contributors to the individual volumes are carefully selected by an international editorial board who ensure that as many innovative studies as possible are included. Each article describes a specific topic and is the original work of an expert working in the front lines of chemical sensor research. Contributors are encouraged to describe not only the academic or technological essence of the subject, but also the background and philosophy, evaluation and achievements and future problems. In this way, each topic is described in sufficient depth so as to be useful and stimulating to readers.
Download or read book Science of Ceramic Chemical Processing written by Larry L. Hench and published by Wiley-Interscience. This book was released on 1986 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive treatment of producing ceramic, glass, and composite materials using chemistry-based processing methods. Synthesizes the most up-to-date research. Includes new areas of computer aided processing, molecular calculations of ceramic processing reactions, and chemical control of surface films. Contributions from over 115 experts in the field. Index.
Download or read book Low temperature Far infrared Spectra of Germanium and Silicon written by Peter J. Gielisse and published by . This book was released on 1964 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: New high-resolution low-temperature (7.5K) far-infrared data on intrinsic germanium and silicon are presented. The findings further substantiate the naturally anticipated similarities in band patterns of the vibrational spectra of diamond type crystals. The low temperature spectra of germanium and silicon show clearly resolved splits in their principal absorption bands analogous to the intriguing doublet in the ca. 2000/cm band in diamond. A possible explanation is indicated. The room temperature far-infrared refractive index of both germanium and silicon and the 7.5K refractive index of germanium have been measured by means of interference fringes. (Author).
