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In Situ Real Time Studies Of Organic Semiconductor Thin Film Growth
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Book Synopsis In Situ Real-time Studies of Organic Semiconductor Thin Film Growth by : Tushar Vrushank Desai
Download or read book In Situ Real-time Studies of Organic Semiconductor Thin Film Growth written by Tushar Vrushank Desai and published by . This book was released on 2012 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis discusses the thin film deposition of small molecule organic semiconductors. Small molecule organics are attracting significant interest primarily due to their ability to form well ordered thin films at low temperatures with reasonable electronic properties. Potential applications of organic based electronics include thin film transistors, display technologies, flexible integrated circuits and photovoltaics. The growth and morphology of these organic thin films is very sensitive to the nature (chemical and physical) of the underlying substrate. A significant challenge in fabricating organic thin film devices with superior electrical characteristics is that of controlling and more importantly understanding the properties at the interface between the organic semiconducting layer and the underlying substrate. In this thesis, the use of supersonic molecular beams as a means to deposit organic semiconductor thin films is discussed in conjunction with in situ real-time synchrotron scattering and ex situ atomic force microscopy as thin film characterization techniques. This thesis discusses the effects of the incident kinetic energy of the small molecule organic and the nature of dielectric (clean silicon dioxide, SiO2; or SiO2 modified with self-assembled monolayers, SAMs, of varying thickness and chemical functionality; or SiO2 modified with polymers of varying surface energy) on the fundamental thin film processes occurring at the organic semiconductor/substrate interface. These thin film processes include adsorption, nucleation and diffusion, and the filling up of individual monolayers during thin film growth. Experiments have provided significant insight into these fundamental thin film processes. The results indicate that the probability of adsorption is a strong function of the incident kinetic energy of the organic molecule and thickness of the underlying SAM. The submonolayer island shape and island density is also a strong function of the underlying substrate with the later implying a change in the diffusivity of the organic with the identity of the substrate. Finally, the results suggest that multilayer thin film morphology such as feature/grain size and the thin film roughness is also a function of the underlying substrate.
Book Synopsis Real-time Studies of Thin Film Growth of Organic Semiconductors by : Stefan M. Kowarik
Download or read book Real-time Studies of Thin Film Growth of Organic Semiconductors written by Stefan M. Kowarik and published by . This book was released on 2006 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thin Film Growth written by Zexian Cao and published by Elsevier. This book was released on 2011-07-18 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin film technology is used in many applications such as microelectronics, optics, hard and corrosion resistant coatings and micromechanics, and thin films form a uniquely versatile material base for the development of novel technologies within these industries. Thin film growth provides an important and up-to-date review of the theory and deposition techniques used in the formation of thin films. Part one focuses on the theory of thin film growth, with chapters covering nucleation and growth processes in thin films, phase-field modelling of thin film growth and surface roughness evolution. Part two covers some of the techniques used for thin film growth, including oblique angle deposition, reactive magnetron sputtering and epitaxial growth of graphene films on single crystal metal surfaces. This section also includes chapters on the properties of thin films, covering topics such as substrate plasticity and buckling of thin films, polarity control, nanostructure growth dynamics and network behaviour in thin films. With its distinguished editor and international team of contributors, Thin film growth is an essential reference for engineers in electronics, energy materials and mechanical engineering, as well as those with an academic research interest in the topic. Provides an important and up-to-date review of the theory and deposition techniques used in the formation of thin films Focusses on the theory and modelling of thin film growth, techniques and mechanisms used for thin film growth and properties of thin films An essential reference for engineers in electronics, energy materials and mechanical engineering
Book Synopsis In Situ Real Time Studies of Complex Oxide Thin Film Growth by : Alexander Heinrich Mueller
Download or read book In Situ Real Time Studies of Complex Oxide Thin Film Growth written by Alexander Heinrich Mueller and published by . This book was released on 2002 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Veterinary Materia Medica and Therapeutics by : BiblioBazaar
Download or read book Veterinary Materia Medica and Therapeutics written by BiblioBazaar and published by Nabu Press. This book was released on 2011-05 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Book Synopsis In-situ Characterization Techniques for Nanomaterials by : Challa S.S.R. Kumar
Download or read book In-situ Characterization Techniques for Nanomaterials written by Challa S.S.R. Kumar and published by Springer. This book was released on 2018-04-17 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seventh volume of a 40 volume series on nanoscience and nanotechnology, edited by the renowned scientist Challa S.S.R. Kumar. This handbook gives a comprehensive overview about In-situ Characterization Techniques for Nanomaterials. Modern applications and state-of-the-art techniques are covered and make this volume an essential reading for research scientists in academia and industry.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Interfacial Chemistry by :
Download or read book Encyclopedia of Interfacial Chemistry written by and published by Elsevier. This book was released on 2018-03-29 with total page 5276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Encyclopedia of Interfacial Chemistry: Surface Science and Electrochemistry, Seven Volume Set summarizes current, fundamental knowledge of interfacial chemistry, bringing readers the latest developments in the field. As the chemical and physical properties and processes at solid and liquid interfaces are the scientific basis of so many technologies which enhance our lives and create new opportunities, its important to highlight how these technologies enable the design and optimization of functional materials for heterogeneous and electro-catalysts in food production, pollution control, energy conversion and storage, medical applications requiring biocompatibility, drug delivery, and more. This book provides an interdisciplinary view that lies at the intersection of these fields. Presents fundamental knowledge of interfacial chemistry, surface science and electrochemistry and provides cutting-edge research from academics and practitioners across various fields and global regions
Book Synopsis Small Organic Molecules on Surfaces by : Helmut Sitter
Download or read book Small Organic Molecules on Surfaces written by Helmut Sitter and published by Springer Science & Business Media. This book was released on 2013-02-19 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with basic aspects of polymer electronics and optoelectronics. There is an enormous world-wide effort both in basic scientific research as well as in industrial development in the area of organic electronics. It is becoming increasingly clear that, if devices based on organic materials are ever going to have a significant relevance beyond being a cheap replacement for inorganic semiconductors, there will be a need to understand interface formation, film growth and functionality. A control of these aspects will allow the realisation of totally new device concepts exploiting the enormous flexibility inherent in organic chemistry. In this book we focus on oligomeric/molecular films as we believe that the control of molecular structures and interfaces provides highly defined systems which allow, on the one hand the study of the basic physics and on the other hand to find the important parameters necessary to improve organic devices.
Book Synopsis Spectroscopic Ellipsometry by : Hiroyuki Fujiwara
Download or read book Spectroscopic Ellipsometry written by Hiroyuki Fujiwara and published by John Wiley & Sons. This book was released on 2007-09-27 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ellipsometry is a powerful tool used for the characterization of thin films and multi-layer semiconductor structures. This book deals with fundamental principles and applications of spectroscopic ellipsometry (SE). Beginning with an overview of SE technologies the text moves on to focus on the data analysis of results obtained from SE, Fundamental data analyses, principles and physical backgrounds and the various materials used in different fields from LSI industry to biotechnology are described. The final chapter describes the latest developments of real-time monitoring and process control which have attracted significant attention in various scientific and industrial fields.
Book Synopsis A Theoretical and Experimental Study Into the Kinetics of Solution Phase Thin Film Deposition by : Cyrus Schaaf
Download or read book A Theoretical and Experimental Study Into the Kinetics of Solution Phase Thin Film Deposition written by Cyrus Schaaf and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of electronic and optoelectronic devices based on solution-processed organic semiconductor layers is strongly influenced by their mesoscale polycrystalline structure, including domain size and spatial distributions. In solution-processed films prepared by spin casting, solvent-based printing, and related methods, morphology is governed by a combination of interrelated thermodynamic and kinetic factors. Classical models of crystal formation in bulk solution or on bare surfaces in vacuum-deposited films fail to adequately capture these effects; the current theoretical understanding of crystallization in solution-deposited films is generally unable to provide much insight, let alone predictive design guidance for tailoring films with specific structural characteristics for a given set of experimental conditions and chemical properties. In this thesis solution-phase thin film formation has been studied for the purpose of developing and new experimental techniques new models for understanding and predicting mesoscale film structure and crystal morphology. I will describe how nucleation can be modeled, and the predictions tested against experiment, by an approach that enables quantitative prediction of crystal coverage and intercrystalline spacing statistics as a function of processing conditions, using only a small number of experimentally-measureable parameters. To do this, a model is introduced that combines a mean-field rate equation treatment of monomer aggregation kinetics with classical nucleation theory and a supersaturation-dependent critical nucleus size to solve for the quasi-two-dimensional temporally- and spatially-varying monomer concentration and nucleation rate. Excellent agreement is observed with measured nucleation densities and inter-domain radial distribution functions in submonolayer tetracene films. The model leads to the first universal set of predictive design rules for solution-phase thin film growth capable of guiding the selection of experimental conditions for truly engineered morphological control. Accompanying this theoretical work a first of its kind experiment is also reported, in which monomer concentration has been spatially and temporally mapped in real time during the film formation process. Through the use of high resolution dark field fluorescence microscopy employing an internal fluorescent standard and multi-wavelength imaging optics the concentration dependence is visualized throughout all regimes of thin film formation. In situ measurements of local concentration contributes to the development of models which treat the role of variations in monomer concentration on mesoscale film morphology of polycrystalline thin films. This work opens the door to numerous studies enabling further development of models which allow for predictive control of polycrystalline thin films in solution-phase deposition techniques. In addition to nucleation, growth of crystalline films is modeled through a set of numerical and computational methods which provide insight into the main factors influencing crystal growth habit. It is shown that crystal capture rate correlation with physical properties displays a distinct lack of agreement between the spacing and initial sizes of crystals with their relative growth rates. This lack of correlation points to the need for more sophisticated models. Through the use of a mean field numerical calculation of the volumetric growth rate changes in crystal morphology can be attributed to a variable sticking probability which depends on the crystal face. Kinetic Monte Carlo simulations are used to directly probe the physics which explain the deviation from the typical single sticking coefficient capture model. The change in shape at long deposition times further suggests that crystal growth occurs in distinct regimes which dictate the final morphology of the crystals. This work provides an explanation to the change in shape of crystalline material at long deposition times which can be used to develop models to predict final crystal morphology. This thesis is comprised of several parts. In the first chapter the broader context of the work is discussed. In chapter 2, I discuss the scientific background laying the foundation for theoretical models into solution-phase deposition. In the third chapter, I describe the experimental system as well as results from various measurements of fundamental chemical and physical properties needed later. The fourth chapter describes a set of models which I have developed to predict mesoscale film structure to create a set of universal design rules in order to engineer thin films grown in the solution-phase. In chapter 5, I describe a state of the art experimental set up allowing for monomer concentration to be mapped in real time. Finally in the last chapter I describe a set of exploratory models to describe change in crystal morphology during the course of thin film formation. This thesis creates new understanding, which will allow for an increase in production of thin films for applications where strict control over domain size, shape, spacing, and crystallographic orientation.
Book Synopsis Issues in Extreme Conditions Technology Research and Application: 2011 Edition by :
Download or read book Issues in Extreme Conditions Technology Research and Application: 2011 Edition written by and published by ScholarlyEditions. This book was released on 2012-01-09 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: Issues in Extreme Conditions Technology Research and Application: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Extreme Conditions Technology Research and Application. The editors have built Issues in Extreme Conditions Technology Research and Application: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Extreme Conditions Technology Research and Application in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Extreme Conditions Technology Research and Application: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Book Synopsis In Situ Real-time Studies of Oxygen Incorporation in Complex Oxide Thin Films Using Spectroscopic Ellipsometry and Ion Scattering and Recoil Spectrometry by :
Download or read book In Situ Real-time Studies of Oxygen Incorporation in Complex Oxide Thin Films Using Spectroscopic Ellipsometry and Ion Scattering and Recoil Spectrometry written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Characterization Of Nanostructured Materials: Probing The Structure And Dynamics With Synchrotron X-rays And Neutrons by : Sunil K Sinha
Download or read book Advanced Characterization Of Nanostructured Materials: Probing The Structure And Dynamics With Synchrotron X-rays And Neutrons written by Sunil K Sinha and published by World Scientific. This book was released on 2021-03-23 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Characterization of Nanostructured Materials — Probing the Structure and Dynamics with Synchrotron X-Rays and Neutrons is a collection of chapters which review the characterization of the structure and internal dynamics of a wide variety of nanostructured materials using various synchrotron X-ray and neutron scattering techniques. It is intended for graduate students and researchers who might be interested in learning about and applying these methods. The authors are well-known practitioners in their fields of research who provide detailed and authoritative accounts of how these techniques have been applied to study systems ranging from thin films and monolayers on solid surfaces and at liquid-air, liquid-liquid and solid-liquid interfaces; nanostructured composite materials; battery materials, and catalytic materials. While there have been a great many books published on nanoscience, there are relatively few that have discussed in one volume detailed synchrotron X-ray and neutron methods for advanced characterization of nanomaterials in thin films, composite materials, catalytic and battery materials and at interfaces. This book should provide an incentive and a reference for researchers in nanomaterials for using these techniques as a powerful way to characterize their samples. It should also help to popularize the use of synchrotron and neutron facilities by the nanoscience community.
Book Synopsis Proceedings of the Symposium on Light Emitting Devices for Optoelectronic Applications and the Twenty-Eighth State-of-the-Art Program on Compound Semiconductors by : H. Q. Hou
Download or read book Proceedings of the Symposium on Light Emitting Devices for Optoelectronic Applications and the Twenty-Eighth State-of-the-Art Program on Compound Semiconductors written by H. Q. Hou and published by The Electrochemical Society. This book was released on 1998 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Crystal Growth by : Tom Kuech
Download or read book Handbook of Crystal Growth written by Tom Kuech and published by Elsevier. This book was released on 2014-11-02 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume IIIA Basic Techniques Handbook of Crystal Growth, Second Edition Volume IIIA (Basic Techniques), edited by chemical and biological engineering expert Thomas F. Kuech, presents the underpinning science and technology associated with epitaxial growth as well as highlighting many of the chief and burgeoning areas for epitaxial growth. Volume IIIA focuses on major growth techniques which are used both in the scientific investigation of crystal growth processes and commercial development of advanced epitaxial structures. Techniques based on vacuum deposition, vapor phase epitaxy, and liquid and solid phase epitaxy are presented along with new techniques for the development of three-dimensional nano-and micro-structures. Volume IIIB Materials, Processes, and Technology Handbook of Crystal Growth, Second Edition Volume IIIB (Materials, Processes, and Technology), edited by chemical and biological engineering expert Thomas F. Kuech, describes both specific techniques for epitaxial growth as well as an array of materials-specific growth processes. The volume begins by presenting variations on epitaxial growth process where the kinetic processes are used to develop new types of materials at low temperatures. Optical and physical characterizations of epitaxial films are discussed for both in situ and exit to characterization of epitaxial materials. The remainder of the volume presents both the epitaxial growth processes associated with key technology materials as well as unique structures such as monolayer and two dimensional materials. Volume IIIA Basic Techniques Provides an introduction to the chief epitaxial growth processes and the underpinning scientific concepts used to understand and develop new processes. Presents new techniques and technologies for the development of three-dimensional structures such as quantum dots, nano-wires, rods and patterned growth Introduces and utilizes basic concepts of thermodynamics, transport, and a wide cross-section of kinetic processes which form the atomic level text of growth process Volume IIIB Materials, Processes, and Technology Describes atomic level epitaxial deposition and other low temperature growth techniques Presents both the development of thermal and lattice mismatched streams as the techniques used to characterize the structural properties of these materials Presents in-depth discussion of the epitaxial growth techniques associated with silicone silicone-based materials, compound semiconductors, semiconducting nitrides, and refractory materials
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
