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Books > Science & Mathematics > Chemistry > Physical chemistry > Surface chemistry & adsorption

Micelles - Microemulsions, and Monolayers: Science and Technology (Hardcover): Dinesh O. Shah Micelles - Microemulsions, and Monolayers: Science and Technology (Hardcover)
Dinesh O. Shah
R10,620 Discovery Miles 106 200 Ships in 10 - 15 working days

Based on the plenary and invited lectures presented at the International Symposium on Micelles, Microemulsions, and Monolayers, this title reviews the progress achieved over the years and describes different directions for research on micellar, microemulsion, and monolayer systems and their technological potential.

Active Plasmonic Devices - Based on Magnetoplasmonic Nanostructures (Hardcover, 1st ed. 2017): Diana Martin Becerra Active Plasmonic Devices - Based on Magnetoplasmonic Nanostructures (Hardcover, 1st ed. 2017)
Diana Martin Becerra
R3,182 Discovery Miles 31 820 Ships in 18 - 22 working days

This thesis investigates the effect of the magnetic field on propagating surface plasmon polaritons (SPPs), or surface plasmons for short. Above all, it focuses on using the magnetic field as an external agent to modify the properties of the SPPs, and therefore achieving active devices. Surface plasmons are evanescent waves that arise at metal-dielectric interfaces. They can be strongly confined (beyond the light diffraction limit), and provide a strong enhancement of the electromagnetic field at the interface. These waves have led to the development of plasmonic circuitry, which is a key candidate as an alternative to electronic circuitry and traditional optical telecommunication devices, since it is faster than the former and less bulky than the latter. Adopting both a theoretical and an experimental point of view, the book analyzes the magnetic modulation in SPPs by means of an interferometer engraved in a multilayer combining Au and Co. In this interferometer, which acts like a modulator, the SPP magnetic modulation is studied in detail, as are the parameters that have a relevant impact on it, simple ways to enhance it, its spectral dependence, and the highly promising possibility of using this system for biosensing. The thesis ultimately arrives at the conclusion that this method can provide values of modulations similar to other active methods used in plasmonics.

Aryl Diazonium Salts and Related Compounds - Surface Chemistry and Applications (Hardcover, 1st ed. 2022): Mohamed M. Chehimi,... Aryl Diazonium Salts and Related Compounds - Surface Chemistry and Applications (Hardcover, 1st ed. 2022)
Mohamed M. Chehimi, Jean Pinson, Fatima Mousli
R4,319 Discovery Miles 43 190 Ships in 18 - 22 working days

This volume provides the latest developments in the field of surface science and technology based on diazonium coupling agents as well as their precursors (e.g. aromatic amines). It presents new concepts of surface chemistry of diazonium salts and discusses their novel and challenging applications. The latest advances on surface modification with diazonium salts are discussed and various promising alternative surface modifiers such as iodonium salts are examined. This book demonstrates the universality of diazonium salts in the surface treatment of classical and emergent materials and it will be a great tool for researcher and graduates working in this field.

Carbon Allotropes - Nanostructured Anti-Corrosive Materials (Hardcover): Jeenat Aslam, Chandrabhan Verma, Dakeshwar Kumar... Carbon Allotropes - Nanostructured Anti-Corrosive Materials (Hardcover)
Jeenat Aslam, Chandrabhan Verma, Dakeshwar Kumar Verma, Ruby Aslam
R4,368 Discovery Miles 43 680 Ships in 10 - 15 working days

Corrosion is a high-cost and potentially hazardous issue in numerous industries. The potential use of diverse carbon nanoallotropes in corrosion protection, prevention and control is a subject of rising attention. This book covers the current advancements of carbon nanoallotropes in metal corrosion management, including the usage of nanostructure materials to produce high-performance corrosion inhibitors and corrosion-resistant coatings.

Molecular Adhesion and Its Applications - The Sticky Universe (Hardcover, 2001 ed.): Kevin Kendall Molecular Adhesion and Its Applications - The Sticky Universe (Hardcover, 2001 ed.)
Kevin Kendall
R8,274 Discovery Miles 82 740 Ships in 10 - 15 working days

At the beginning of the twentieth century, engineers and technologists would have recognized the importance of adhesion in two main aspects: First, in the display of friction between surfaces - at the time a topic of growing importance to engineers; the second in crafts requiring the joining of materials - principally wood-to form engineering structures. While physical scientists would have admitted the adhesive properties of glues, gels, and certain pastes, they regarded them as materials of uncertain formulation, too impure to be amenable to precise experiment. Biological scientists were aware also of adhesive phenomena, but the science was supported by documentation rather than understanding. By the end of the century, adhesion and adhesives were playing a crucial and deliberate role in the formulation of materials, in the design and manufacture of engineering structures without weakening rivets or pins, and in the use of thin sections and intricate shapes. Miniaturization down to the micro- and now to the nano-level of mechanical, electrical, electronic, and optical devices relied heavily on the understanding and the technology of adhesion. For most of the century, physical scientists were aware that the states of matter, whether gas, liquid, or solid, were determined by the competition between thermal energy and int- molecular binding forces. Then the solid state had to be differentiated into crystals, amorphous glasses, metals, etc. , so the importance of the molecular attractions in determining stiffness and strength became clearer.

Fundamental Aspects of Corrosion Films in Corrosion Science (Hardcover, 1991 ed.): B. D. Craig Fundamental Aspects of Corrosion Films in Corrosion Science (Hardcover, 1991 ed.)
B. D. Craig
R2,761 Discovery Miles 27 610 Ships in 18 - 22 working days

The purpose of this book is to stimulate thinking among corrosion scientists and engineers to examine corrosion mechanisms and corro sion control from another perspective. While the presence of corro sion films in electrochemical corrosion has been recognized for over a century, the contribution of these films to all facets of corrosion has not been explored to a significant degree. Rather the role of films in certain mechanisms (i.e., stress corrosion cracking) has been empha sized, yet almost ignored for other corrosion mechanisms. This is viewed by the author as solely attributable to the lack of investigation into, and an understanding of, the contribution of films to these mech anisms or forms of attack. The lack of emphasis and study of corrosion films and their contribution to all forms of corrosion attack are probably the result of current university instruction that utilizes two popular corrosion texts (Uhlig and Fontana and Greene) for teaching. These texts provide an excellent understanding at the undergraduate level of corrosion funda mentals; however, the major implicit premise in these texts is that bulk properties of an alloy or metal control the corrosion resistance in a particular environment. For many applications and for a simple under standing of corrosion mechanics, this approach is sufficient. Yet, research on corrosion films indicate these films often have an entirely different composition than the bulk metal (ratio of alloying elements)."

ZIF-8 Based Materials for Water Decontamination (Hardcover): Awais Ahmad, Muhammad Pervaiz, Umer Younas, Rafael Luque, Mabkhoot... ZIF-8 Based Materials for Water Decontamination (Hardcover)
Awais Ahmad, Muhammad Pervaiz, Umer Younas, Rafael Luque, Mabkhoot Alsaiari, …
R4,798 Discovery Miles 47 980 Ships in 10 - 15 working days

This volume discusses the role of ZIF-8 composites in water decontamination as an adsorbent and photocatalyst. Metal-organic frameworks (MOFs) are advanced porous materials and are promising adsorbents with facile modifications, high specific surface area, controllable porosity, and tailored surface properties. Water pollution is a major concern and has endangered human health. Recently, researchers have designed MOFs for use in remediation.

ZIF-8 Based Materials for Pharmaceutical Waste (Hardcover): Awais Ahmad, Muhammad Pervaiz, Zohaib Saeed, Rafael Luque, Mabkhoot... ZIF-8 Based Materials for Pharmaceutical Waste (Hardcover)
Awais Ahmad, Muhammad Pervaiz, Zohaib Saeed, Rafael Luque, Mabkhoot Alsaiari, …
R4,800 Discovery Miles 48 000 Ships in 10 - 15 working days

This volume discusses the role of MOFs in removal of pharmaceutical pollutants. Metal-organic frameworks (MOFs) are advanced porous materials and are promising adsorbents with facile modifications, high specific surface area, controllable porosity, and tailored surface properties. Pharmaceutical pollution is an issue of concern due to its effects on environment. Recently, researchers have designed MOFs for use in remediation.

Emulsions, Microemulsions and Foams (Hardcover, 1st ed. 2020): Dominique Langevin Emulsions, Microemulsions and Foams (Hardcover, 1st ed. 2020)
Dominique Langevin
R2,067 Discovery Miles 20 670 Ships in 10 - 15 working days

This book takes an interface science approach to describe and understand the behavior of the dispersions we call emulsions, microemulsions and foams. The one thing all these dispersions have in common is the presence of surface-active species (surfactants) adsorbed at the interfaces between the two fluid phases that make up the emulsions, microemulsions or foams. The interfacial layers formed by the surfactants control most of the properties of the dispersions. The book describes the properties of interfacial layers, thin films and bulk fluids used in the elaboration of the various dispersions and it explains how such properties relate to the dispersion properties of these soft matter systems: structure, rheology and stability. These dispersion properties are far from being fully understood, in particular foam and emulsion stability. In discussing the state of the art of the current knowledge, the author draws interesting parallels between emulsions, microemulsions and foams that enlighten the interpretation of previous observations and point to a deeper understanding of the behavior of these materials in the future.

Handbook of Modern Coating Technologies - Fabrication Methods and Functional Properties (Hardcover): Mahmood Aliofkhazraei, Ali... Handbook of Modern Coating Technologies - Fabrication Methods and Functional Properties (Hardcover)
Mahmood Aliofkhazraei, Ali Nasar, Mircea Chipara, Nadhira Bensaada Laidani, Jeff Th.M. DeHosson
R3,985 Discovery Miles 39 850 Ships in 10 - 15 working days

Handbook of Modern Coating Technologies: Fabrication Methods and Functional Properties reviews different fabrication methods and functional properties of modern coating technologies. The topics in this volume consist of nanocoatings by sol-gel processes for functionalization of polymer surfaces and textiles and mechanical fabrication methods of nanostructured surfaces such surface mechanical attrition treatment, polymer nanofabrications and its plasma processing, chemical vapor deposition of oxide materials at atmospheric pressure, conventional chemical vapor deposition process at atmospheric pressure, feasibility of atmospheric pressure, chemical vapor deposition process, Langmuir-Blodgett technique, flame pyrolysis, confined-plume chemical deposition, electrophoretic deposition, in vitro and in vivo particle coating for oral targeting and drug delivery, novel coatings to improve the performance of multilayer biopolymeric films for food packaging, corrosion protection by nanostructured coatings, tribological behavior of electroless coatings, effect of peening-based processes on tribological and mechanical behavior of bioimplant materials, improved efficiency of ceramic cutting tools in machining hardened steel with nanostructured multilayered coatings, incorporation of elastomeric secondary phase into epoxy matrix influences mechanical properties of epoxy coatings, enhancement of biocompatibility by coatings, porous hydroxyapatite-based coatings, and bionic colloidal crystal coatings.

Langmuir-Blodgett Films (Hardcover, 1990 ed.): G. Roberts Langmuir-Blodgett Films (Hardcover, 1990 ed.)
G. Roberts
R5,380 Discovery Miles 53 800 Ships in 18 - 22 working days

Monomolecular assemblies on substrates, now termed Langmuir-Blodgett (LB) films, have been studied for over half a century. Their development can be viewed in three stages. Following the pioneering work of Irving Langmuir and Katharine Blodgett in the late 1930s there was a brief flurry of activity just before and just after the Second World War. Many years later Hans Kuhn published his stimulating work on energy transfer. This German contribution to the field, made in the mid-1960s, can be regarded as laying the foundation for studies of artificial systems of cooperat ing molecules on solid substrates. However, the resurgence of activity in academic and industrial laboratories, which has resulted in four large international con ferences, would not have occurred but for British and French groups highlighting the possible applications of LB films in thefield of electronics. Many academic and industrial establishments involved in high technology are now active in or maintaining a watching brief on the field. Nevertheless this impor tant area of solid state science is still perhaps largely unfamiliar to many involved in materials or electronic device research. The richness of the variety of organic molecular materials suitable for LB film deposition offers enormous scope for those interested in their basic properties or their practical applications. LB films are now an integral part of the field of molecular electronics. It seems inevitable that they will play some role in replacing inorganic materials in certain areas of application."

Fundamentals of Adsorption - Proceedings of the Fifth International Conference on Fundamentals of Adsorption (Hardcover, 1996... Fundamentals of Adsorption - Proceedings of the Fifth International Conference on Fundamentals of Adsorption (Hardcover, 1996 ed.)
M.Douglas LeVan
R7,898 Discovery Miles 78 980 Ships in 18 - 22 working days

Fundamentals of Adsorption is the proceedings of the fifth International Conference on the Fundamentals of Adsorption, which was held on May 13-18, 1995 at the Asilomar Conference Center, Pacific Grove, California. This conference was organized completely under the auspices of the International Adsorption Society. It was attended by 196 participants from 24 countries. Members of the Scientific Advisory Board, together with the Conference Committee, selected papers for presentation from a large number of proposals involving an especially high level of international participation. The fundamental aspects of adsorption is a subject which has grown rapidly in recent years, drawing researchers from many disciplines including materials science, chemistry, physics, biochemistry and biotechnology, and chemical, civil, mechanical and environmental engineering. Fundamentals of Adsorption serves as an excellent reference and may be used as a primary text for a graduate level course on adsorption research or as a secondary text for a course on any of the disciplines mentioned above.

Materials with Extreme Wetting Properties - Methods and Emerging Industrial Applications (Hardcover, 1st ed. 2021): Majid... Materials with Extreme Wetting Properties - Methods and Emerging Industrial Applications (Hardcover, 1st ed. 2021)
Majid Hosseini, Ioannis Karapanagiotis
R4,064 Discovery Miles 40 640 Ships in 18 - 22 working days

This book aims at identifying novel advanced materials of extreme wetting properties (MEWP) for practical, industrial applications. The state-of-the art superhdyrophobic, superhdyrophilic, superoleophobic, superoleophilic, and superomniphobic materials, that are MEWP, with respect to their technological and emerging industrial applications are discussed in this book. MEWP offer new perspectives providing numerous potential applications. Hence, these advanced MEWP have the potential to lead to a new generation of products and devices with unique properties and functionalities. Despite the large scientific progress on MEWP there are still some obstacles which have to be solved to make these materials available for real life applications. Recent advances on the production strategies, including methods and materials, of MEWP has shown that the durability and sustainability obstacles can be addressed thus offering the possibility for industrial exploitation. MEWP with wettabilities ranging from superhydrophobicity to superhydrophilicity provide promising avenues for several and important applications, which sometimes are crucial for the humankind. This book also discusses a large variety of other potential applications of MEWP, thus providing new ideas to scientists and engineers for further exploitation of these novel materials. Moreover, the whole spectrum of the recent technological developments, current research progress, future outlook, and the modern trends in the applications of MEWP are discussed in a consistent approach.

Surface Science and Synchrotron Radiation (Hardcover): Phillip Woodruff Surface Science and Synchrotron Radiation (Hardcover)
Phillip Woodruff
R3,263 Discovery Miles 32 630 Ships in 10 - 15 working days
Optimal Auxiliary Functions Method for Nonlinear Dynamical Systems (Hardcover, 1st ed. 2021): Vasile Marinca, Nicolae Herisanu,... Optimal Auxiliary Functions Method for Nonlinear Dynamical Systems (Hardcover, 1st ed. 2021)
Vasile Marinca, Nicolae Herisanu, Bogdan Marinca
R4,319 Discovery Miles 43 190 Ships in 18 - 22 working days

This book presents the optimal auxiliary functions method and applies it to various engineering problems and in particular in boundary layer problems. The cornerstone of the presented procedure is the concept of "optimal auxiliary functions" which are needed to obtain accurate results in an efficient way. Unlike other known analytic approaches, this procedure provides us with a simple but rigorous way to control and adjust the convergence of the solutions of nonlinear dynamical systems. The optimal auxiliary functions are depending on some convergence-control parameters whose optimal values are rigorously determined from mathematical point of view. The capital strength of our procedure is its fast convergence, since after only one iteration, we obtain very accurate analytical solutions which are very easy to be verified. Moreover, no simplifying hypothesis or assumptions are made. The book contains a large amount of practical models from various fields of engineering such as classical and fluid mechanics, thermodynamics, nonlinear oscillations, electrical machines, and many more. The book is a continuation of our previous books "Nonlinear Dynamical Systems in Engineering. Some Approximate Approaches", Springer-2011 and "The Optimal Homotopy Asymptotic Method. Engineering Applications", Springer-2015.

Molecular Soft-Interface Science - Principles, Molecular Design, Characterization and Application (Hardcover, 1st ed. 2019):... Molecular Soft-Interface Science - Principles, Molecular Design, Characterization and Application (Hardcover, 1st ed. 2019)
Mizuo Maeda, Atsushi Takahara, Hiromi Kitano, Tetsuji Yamaoka, Yoshiko Miura
R2,665 Discovery Miles 26 650 Ships in 18 - 22 working days

This book offers a comprehensive treatment of the molecular design, characterization, and physical chemistry of soft interfaces. At the same time, the book aims to encourage the fabrication of functional materials including biomaterials. During the past few decades there has been steady growth in soft-interface science, and that growth has been especially rapid in the twenty-first century. The field is interdisciplinary because it involves chemistry, polymer science, materials science, physical chemistry, and biology. Based on the increasing interdisciplinary nature of undergraduate and graduate programs, the primary goal of this present work is to serve as a comprehensive resource for senior-level undergraduates and for graduate students, particularly in polymer chemistry, materials science, bioconjugate chemistry, bioengineering, and biomaterials. Additionally, with the growing interest in the fabrication of functional soft materials, this book provides essential fundamental information for researchers not only in academia but also in industry.

Introduction to Adsorption - Basics, Analysis, and Applications (Paperback): Chi Tien Introduction to Adsorption - Basics, Analysis, and Applications (Paperback)
Chi Tien
R3,984 R3,783 Discovery Miles 37 830 Save R201 (5%) Ships in 10 - 15 working days

Introduction to Adsorption: Basics, Analysis, and Applications presents adsorption basics that are relevant and essential to its application, including data analysis, interpretation and design calculations. The book deliberately keeps background information to a minimum, instead comprehensively covering adsorption of liquid solutions, the difference between equilibrium individual solute uptake and surface excess, a general discussion of adsorbate uptake mechanisms and uptake rate expression, uptake steps, performance models and their generalizations, application of performance models, and design methods based on the constant behavior assumption and unused bed length concept.

Practical Aspects of Computational Chemistry V (Hardcover, 1st ed. 2022): Jerzy Leszczynski, Manoj K. Shukla Practical Aspects of Computational Chemistry V (Hardcover, 1st ed. 2022)
Jerzy Leszczynski, Manoj K. Shukla
R4,720 Discovery Miles 47 200 Ships in 18 - 22 working days

This book presents contributions on a wide range of computational research applied to fields ranging from molecular systems to bulk structures. This volume highlights current trends in modern computational chemistry and discusses the development of theoretical methodologies, state-of-the-art computational algorithms and their practical applications. This volume is part of a continuous effort by the editors to document recent advances by prominent researchers in the area of computational chemistry. Most of the chapters are contributed by invited speakers and participants to International annual conference "Current Trends in Computational Chemistry", organized by Jerzy Leszczynski, one of the editors of the current volume. This conference series has become an exciting platform for eminent theoretical and computational chemists to discuss their recent findings and is regularly honored by the presence of Nobel laureates. Topics covered in the book include reactive force-field methodologies, coarse-grained modeling, DNA damage radiosensitizers, modeling and simulation of surfaces and interfaces, non-covalent interactions, and many others. The book is intended for theoretical and computational chemists, physical chemists, material scientists and those who are eager to apply computational chemistry methods to problems of chemical and physical importance. It is a valuable resource for undergraduate, graduate and PhD students as well as for established researchers.

Tailored Thin Coatings for Corrosion Inhibition Using a Molecular Approach, Volume 23 (Paperback): Simo Olavi Pehkonen, Shaojun... Tailored Thin Coatings for Corrosion Inhibition Using a Molecular Approach, Volume 23 (Paperback)
Simo Olavi Pehkonen, Shaojun Yuan
R4,509 R4,187 Discovery Miles 41 870 Save R322 (7%) Ships in 10 - 15 working days

Tailored Thin Coatings for Corrosion Inhibition Using a Molecular Approach discusses the fundamentals and applications of various thin coatings for the inhibition of fouling and corrosion from a molecular perspective. It provides the reader with a fundamental understanding of why certain coatings perform better than others in a given environment. Surface analytical and electrochemical techniques in understanding the coating performance are emphasized throughout the book, providing readers with a useful reference on how to pursue a systematic corrosion inhibitor R&D program that involves the testing of coating performance using various, currently available, state-of-the-art laboratory techniques. Wherever relevant, environmental considerations of the discussed coatings' technologies are highlighted and discussed, with current and upcoming regulatory trends put forth by different governmental organizations.

Advanced Joining Processes (Hardcover, 1st ed. 2020): Lucas F. M. da Silva, Paulo A. F. Martins, Mohamad S. El-Zein Advanced Joining Processes (Hardcover, 1st ed. 2020)
Lucas F. M. da Silva, Paulo A. F. Martins, Mohamad S. El-Zein
R2,653 Discovery Miles 26 530 Ships in 18 - 22 working days

This book presents recent material science-based and mechanical analysis-based advances in joining processes. It includes all related processes, e.g. friction stir welding, joining by plastic deformation, laser welding, clinch joining, and adhesive bonding, as well as hybrid joints. It gathers selected full-length papers from the 1st Conference on Advanced Joining Processes.

Advances in Metrology and Measurement of Engineering Surfaces - Select Proceedings of ICFMMP 2019 (Hardcover, 1st ed. 2021):... Advances in Metrology and Measurement of Engineering Surfaces - Select Proceedings of ICFMMP 2019 (Hardcover, 1st ed. 2021)
Chander Prakash, Grzegorz Krolczyk, Sunpreet Singh, Alokesh Pramanik
R4,036 Discovery Miles 40 360 Ships in 18 - 22 working days

This book presents the select proceedings of the International Conference on Functional Material, Manufacturing and Performances (ICFMMP) 2019. The book covers broad aspects of several topics involved in the metrology and measurement of engineering surfaces and their implementation in automotive, bio-manufacturing, chemicals, electronics, energy, construction materials, and other engineering applications. The contents focus on cutting-edge instruments, methods and standards in the field of metrology and mechanical properties of advanced materials. Given the scope of the topics, this book can be useful for students, researchers and professionals interested in the measurement of surfaces, and the applications thereof.

Mesoporous Ordered Silica Films - From Self-Assembly to Order (Hardcover, 1st ed. 2022): Plinio Innocenzi Mesoporous Ordered Silica Films - From Self-Assembly to Order (Hardcover, 1st ed. 2022)
Plinio Innocenzi
R3,977 Discovery Miles 39 770 Ships in 10 - 15 working days

This book introduces the fascinating world of self-assembly in mesoporous ordered silica films. Beginning from a single droplet, it guides the reader, in a step-by-step learning process, how to obtain and control ordered porous mesophases in thin films by varying only the precursor chemistry and the process. It explains, in great detail, how order control is achieved through chemical design and post-deposition processing, the latter of which is a unique property in materials science. The book places a special focus on silica, whose particularly complex chemistry enables order control over a range of different length scales. This book is suitable for students and researchers in the fields of sol-gel or colloidal chemistry and interested in the topics of self-assembly and mesoporous phases.

Chemical Vapour Deposition - Growth processes on an atomic level (Hardcover): Karin Larsson Chemical Vapour Deposition - Growth processes on an atomic level (Hardcover)
Karin Larsson
R2,764 Discovery Miles 27 640 Ships in 10 - 15 working days
Surface Phenomena and Latexes in Waterborne Coatings and Printing Technology (Hardcover, 1995 ed.): Mahendra K. Sharma Surface Phenomena and Latexes in Waterborne Coatings and Printing Technology (Hardcover, 1995 ed.)
Mahendra K. Sharma
R4,203 Discovery Miles 42 030 Ships in 18 - 22 working days

THE CURRENT STATE OF THE ART of waterborne polymers, paints, coatings, inks and printing processes is presented in this volume. This is the third volume in the series on waterborne coating and printing technology. It documents several invited papers and the proceedings of the International Symposium on Surface Phenomena and Latexes in Waterborne Coatings and printing Technology sponsored by the Fine Particle Society (FPS). The FPS meeting was held in Las Vegas, Nevada, July 13-17, 1992. The volume deals with various basic and applied aspects of research on waterborne coating printing technology. Major topics discussed involve waterborne polymers and polymer blends, pigment grinding, millbases, paint formulation, and characterization of coating films. This edition includes sixteen selected papers related to recent developments in waterborne technology. These papers are divided in three broad categories: (1) Waterborne Polymers and pigment Dispersions, (2) Latex Film, Wetting Phenomena and Printing Gloss, (3) Surfactants and Polymers in Aqueous Coating printing Systems. This volume includes discussions of various waterborne polymers in coating printing systems. The editors hope that this volume will serve its intended objective of reflecting the current understanding of formulation and process problems related to waterborne coatings, paints and inks. In addition, it will be a valuable reference source for both novices as well as experts in the field of waterborne technology. It will also help the readers to understand underlying surface phenomena and will enhance the reader's potential for solving critical formulation, evaluation and process problems.

Molecular Orientation and Emission Characteristics of Ir Complexes and Exciplex in Organic Thin Films (Hardcover, 1st ed.... Molecular Orientation and Emission Characteristics of Ir Complexes and Exciplex in Organic Thin Films (Hardcover, 1st ed. 2019)
Chang-Ki Moon
R3,785 Discovery Miles 37 850 Ships in 18 - 22 working days

This thesis considers molecular orientation in thin films and introduces an optical model describing this orientation as applied to organic light-emitting diodes (OLEDs). It also describes the electronic structure of intermolecular charge transfer excitons correlated to molecular orientation in solids. It has long been known that molecular orientation influences the electrical and optical properties of molecular films. One notable example is in liquid crystals where rigid rod or disk shaped molecules are commonly used. Understanding the origin of the molecular orientation and its control by surface treatment and electric field resulted in the development of liquid crystal displays. The same thing has happened in organic electronics, and considerable effort has been devoted to understanding and controlling molecular orientation in solid films to improve charge carrier mobility and light absorption, ultimately to improve the performance of organic solar cells and thin film transistors. In contrast, less attention has been paid to molecular orientation and its influence on the characteristics of OLEDs, probably because of the use of amorphous films rather than micro-crystalline films, and it is only in recent years that some molecular films are known to have preferred orientation. This thesis addresses this topic, focusing on OLEDs, describing the origin and control of the orientation of phosphorescent Ir complexes possessing spherical shape rather than rod or disk shape, the simulation of the optical characteristics of OLEDs influenced by preferred molecular orientation, and finally the orientation of intermolecular charge transfer excitons and its correlation to electronic structures in thin films.

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