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| Author | : Albertus Petrus Henricus Johannes Schenning |
| Publisher | : |
| Total Pages | : 158 |
| Release | : 1996 |
| Genre | : |
| ISBN | : 9789090095981 |
| Author | : Professor Shengqian Ma |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 384 |
| Release | : 2021-12-10 |
| Genre | : Science |
| ISBN | : 1839161809 |
Porphyrin-based Supramolecular Architectures focuses on the most recent developments in the field, emphasizing the cutting-edge research in a diverse range of applications. Designed for readers considering the unprecedented prosperity of porous materials research, chapters will cover both strategies for structure design (such as MOFs and COFs) as well as emerging applications including CO2 fixation, catalysis and photodynamic therapy. With contributions from global experts, this title will be of interest to graduate students and researchers in supramolecular chemistry, organic chemistry, inorganic chemistry, physical chemistry, organometallic chemistry, solid-state chemistry, catalysis and (porous) materials science.
| Author | : David N. Reinhoudt |
| Publisher | : John Wiley & Sons |
| Total Pages | : 320 |
| Release | : 2008-04-30 |
| Genre | : Technology & Engineering |
| ISBN | : 0470511486 |
Perspectives in Supramolecular Chemistry relates recent developments and new exciting approaches in supramolecular chemistry. The series covers all areas from theoretical and modelling aspects through organic and inorganic chemistry and biochemistry to materials, solid-state and polymer sciences reflecting the many and varied applications of supramolecular structures in modern chemistry. From the early days of supramolecular chemistry the field has been associated with possible applications. This is not surprising as the design of new molecules, and later of assemblies of molecules, is often function-driven. Now, after three decades of supramolecular chemistry, David Reinhoudt has brought together a collection of reviews to reflect on the applications that have actually been achieved. The first applications in molecular recognition are now established technologies in analytical chemistry, separation science and medicine. More recently, developments have taken place in material design and these concepts are also discussed here. Contents * Self-Assembling Systems on Scales from Nanometers to Millimeters: Design and Discovery * Dendritic Architectures * Supramolecular Structures with Macromolecules * Chemosensors: Synthetic Receptors in Analytical Sensing Applications * Selective Ion Recognition with Durable Sensors * Ion Separations in Membrane and Solid Phase Extraction Systems * Porphyrin- and Expanded Pophyrin-Based Diagnostic and Therapeutic Agents Supramolecular Materials and Technologies illustrates the achievements and advances that supramolecular chemistry has made in many fields from organic chemistry to materials science and from analytical chemistry to molecular biology.
| Author | : Nazario Martin |
| Publisher | : John Wiley & Sons |
| Total Pages | : 421 |
| Release | : 2012-05-21 |
| Genre | : Technology & Engineering |
| ISBN | : 3527327894 |
Collating our current knowledge and the latest developments for enabling breakthrough discoveries, this book focuses on the synthesis and applications of materials that are based on supramolecular assemblies of carbon nanostructures, with an emphasis on fullerenes and nanotubes. In so doing, it provides readers with an overview of the different types of supramolecular architectures, accentuating the outstanding geometrical, electronic and photophysical properties of the building blocks and the resulting structures. It makes use of basic concepts and real-life applications -- from simple syntheses to complex architectures, from instructive examples to working experimental procedures, and from photophysics to solar cells. A large part of each chapter is devoted to the methods and possibilities of controlling and tuning these molecular assemblies in order to obtain working devices. Fascinating reading for materials scientists, organic chemists, molecular physicists, and those in the semiconductor industry.
| Author | : J. L. Atwood |
| Publisher | : CRC Press |
| Total Pages | : 1002 |
| Release | : 2004 |
| Genre | : Science |
| ISBN | : 9780824747244 |
Covers the fundamentals of supramolecular chemistry; supramolecular advancements and methods in the areas of chemistry, biochemistry, biology, environmental and materials science and engineering, physics, computer science, and applied mathematics.
| Author | : Albert Schenning |
| Publisher | : CRC Press |
| Total Pages | : 244 |
| Release | : 2017-09-01 |
| Genre | : Science |
| ISBN | : 1351646850 |
Liquid Crystal Sensors discusses novel applications of liquid crystals that lie beyond electrically driven optical switches and displays. The main focus is on recent progress in the area of sensors based on low molar mass and polymer liquid crystals. This area of research became "hot" in recent years since the possibilities for applications of liquid crystal sensors are growing in many areas, ranging from the detection of mechanical displacements to the detection of environmental pollutants and chemical agents. This book is well-suited for students, as well as scientists from different backgrounds. For students and researchers new to the field, it gives a thorough introduction. For experienced researchers it shows the latest breakthroughs and serves as an inspiration for solving problems or sparking new ideas. Key Features: Emphasizes how liquid crystals are extremely sensitive to external stimuli and therefore can be used for the construction of stimuli-responsive devices, such as sensors Includes the contributions of editors who are deeply involved in the field and author chapters on hot topics such as the sensitivity of liquid crystals to pollutants, UV light, and strain Provides an exclusive on LC sensors where having the data in one place will be very useful to the community Gives more information on sensors and broadens the scope by having a contributed volume rather than authored Combines recent data on advances in the area of liquid crystal sensors that includes many types of liquid crystal materials
| Author | : Jerry L. Atwood |
| Publisher | : CRC Press |
| Total Pages | : 1745 |
| Release | : 2013-10-09 |
| Genre | : Science |
| ISBN | : 1482258161 |
The two-volume Encyclopedia of Supramolecular Chemistry offers authoritative, centralized information on a rapidly expanding interdisciplinary field. User-friendly and high-quality articles parse the latest supramolecular advancements and methods in the areas of chemistry, biochemistry, biology, environmental and materials science and engineering, physics, computer science, and applied mathematics. Designed for specialists and students alike, the set covers the fundamentals of supramolecular chemistry and sets the standard for relevant future research.
| Author | : F. Di Stasio |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : |
Supramolecular architectures represent an increasingly interesting playground both in the chemistry and physics field. In fact, they give us the possibility to tailor the physical and chemical properties of conjugated systems, opening the doors to new applications. In this dissertation I will present my findings regarding different types of supramolecular structures. The first part is dedicated to the study of the optical properties of conjugated polyrotaxanes: conjugated polymers such as poly(4,4'-diphenylene vinylene) threaded through cyclodextrin macrocycles rings, that sterically impose increased intermolecular distances, leading to preserved single-molecule excitonic photophysics even in high concentration regimes, due to reduced pi-pi stacking of the chromophores. In particular, I will show how it is possible to tune their photoluminescence properties for different applications like polarized emission and optically pumped lasers. The incorporation of polyrotaxanes and their unthreaded analogue in a stretch-oriented polyvinyl alcohol matrix gives rise to a strongly polarized photoluminescence parallel to the stretching direction which I studied using steady-state and time-resolved optical techniques. Furthermore, by exploiting the water-solubility of polyrotaxanes is possible to embed them in three-dimensional photonic crystal and tune their radiative rate to achieve low-threshold optically pumped lasers. In the second part, I will present the application of supramolecular structures in light-emitting diodes. In fact, self-assembled monolayers represent an interesting system to tune the work function of commonly used electrodes in the plastic electronics field, therefore changing the injection barriers for holes at the interface between the organic semiconductor and the metallic electrode. Furthermore, I will show how supramolecular architectures are used to obtain efficient near-infrared photoluminescence and electroluminescence introducing a three-dimensional pi conjugation. Moreover, by adding a pyridine derivative it is possible to suppress the efficient self-quenching in this class of porphyrin based molecular assembly increasing further their applicability in light-emitting diodes.
| Author | : Heinrich Lang |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 463 |
| Release | : 2021-08-18 |
| Genre | : Science |
| ISBN | : 1839161884 |
This book gives an overview of the applications and potential applications of porphyrins and related macrocycles as smart or functional materials.
| Author | : J.L. Sessler |
| Publisher | : Elsevier |
| Total Pages | : 533 |
| Release | : 1997-08-21 |
| Genre | : Science |
| ISBN | : 0080535232 |
The porphyrins are a class of naturally-occurring macrocycles and are ubiquitous in our world. As such, they have been called the Pigments of Life. This auspicious designation reflects their importance in numerous biological functions. Indeed, life as we understand it relies on the full range of biological processes that are either performed by or catalyzed by porphyrin-containing proteins. Chlorophyll-containing photosynthetic reaction centers in plants, for instance, convert light energy into chemical energy while producing oxygen along the way. It is this oxygen, evolved from photosynthesis, that is transported, stored, and reduced by heme-containing proteins in many organisms, including mammals. Not surprisingly, therefore, these molecules remain of fundamental interest to chemists and biochemists. Indeed, they continue to be intensely investigated by researchers world-wide. Inspired by the importance of the porphyrins, a new research direction has emerged in recent years that is devoted to the preparation and study of non-porphyrin polypyrrole macrocycles. Here, the principal objectives have been to generate completely synthetic systems that bear some structural resemblance to naturally-occurring porphyrin derivatives while being quite different in their specific chemical makeup. Within this context, three different research directions have evolved, namely those involving the syntheses of contracted, isomeric, and expanded porphyrins, respectively. It is the chemistry of these systems that is the subject of this book. Because of the newness of the field, the emphasis of this book will be on synthesis and characterization (all work on porphyrin isomers and much of that associated with expanded porphyrins has only appeared in the last 10 years). One chapter on applications has, however, been included. Also, in the context of the preparative portions of the text, some efforts have been made to explain why various porphyrin analogue targets are of interest.
