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Author: Khrystyna Herasymchuk Publisher: ISBN: Category : Languages : en Pages : 207
Book Description
Transition metal complexes incorporating redox-active ligands have the potential to facilitate controlled multielectron chemistry, enabling their use in catalysis and energy storage applications. Moreover, the use of transition metal complexes containing redox-active ligands has been extended to two- (2D) and three-dimensional (3D) materials, such as supramolecular assemblies (i.e., metallacycles, molecular cages, or macrocycles) and metal-organic frameworks (MOFs) for catalytic, magnetic, electronic, and sensing applications. Salens (N2O2 bis(Schiff-base)-bis(phenolate) are an important class of redox-active ligands, and have been investigated in detail as they are able to stabilize both low and high metal oxidation states for the above-mentioned applications. The work in this thesis focuses on the synthesis and electronic structure elucidation of metal salen complexes in monomeric form, as discrete supramolecular assemblies and 3D MOFs. Structural and spectroscopic characterization of the neutral and oxidized species was completed using mass spectrometry, cyclic voltammetry, X-ray diffraction, NMR, UV-Vis-NIR, and EPR spectroscopies, as well as theoretical (DFT) calculations. Chapter 2 discusses the synthesis and electronic structure evaluation of a series of oxidized uranyl complexes, containing redox-active salen ligands with varying para-ring substituents (tBu, OMe, NMe2). Chapters 3 and 4 discuss the incorporation of a redox-active nickel salen complex equipped with pyridyl groups on the peripheral positions of the ligand framework into supramolecular structures via coordination-driven self-assembly. The self-assembly results in formation of a number of distinct metallacycles, affording di-, tetra-, and octa-ligand radical species. Finally, the design, synthesis, and incorporation of metal salen units into MOFs is discussed in Chapter 5. Preliminary assembly and oxidation experiments are presented as an opportunity to explore the redox-properties of salen complexes incorporated into a solid-state 3D framework. Overall, the work described in this thesis provides a pathway for salen ligand radical systems to be used in redox-controlled host-guest chemistry, catalysis, and sensing.
Author: Khrystyna Herasymchuk Publisher: ISBN: Category : Languages : en Pages : 207
Book Description
Transition metal complexes incorporating redox-active ligands have the potential to facilitate controlled multielectron chemistry, enabling their use in catalysis and energy storage applications. Moreover, the use of transition metal complexes containing redox-active ligands has been extended to two- (2D) and three-dimensional (3D) materials, such as supramolecular assemblies (i.e., metallacycles, molecular cages, or macrocycles) and metal-organic frameworks (MOFs) for catalytic, magnetic, electronic, and sensing applications. Salens (N2O2 bis(Schiff-base)-bis(phenolate) are an important class of redox-active ligands, and have been investigated in detail as they are able to stabilize both low and high metal oxidation states for the above-mentioned applications. The work in this thesis focuses on the synthesis and electronic structure elucidation of metal salen complexes in monomeric form, as discrete supramolecular assemblies and 3D MOFs. Structural and spectroscopic characterization of the neutral and oxidized species was completed using mass spectrometry, cyclic voltammetry, X-ray diffraction, NMR, UV-Vis-NIR, and EPR spectroscopies, as well as theoretical (DFT) calculations. Chapter 2 discusses the synthesis and electronic structure evaluation of a series of oxidized uranyl complexes, containing redox-active salen ligands with varying para-ring substituents (tBu, OMe, NMe2). Chapters 3 and 4 discuss the incorporation of a redox-active nickel salen complex equipped with pyridyl groups on the peripheral positions of the ligand framework into supramolecular structures via coordination-driven self-assembly. The self-assembly results in formation of a number of distinct metallacycles, affording di-, tetra-, and octa-ligand radical species. Finally, the design, synthesis, and incorporation of metal salen units into MOFs is discussed in Chapter 5. Preliminary assembly and oxidation experiments are presented as an opportunity to explore the redox-properties of salen complexes incorporated into a solid-state 3D framework. Overall, the work described in this thesis provides a pathway for salen ligand radical systems to be used in redox-controlled host-guest chemistry, catalysis, and sensing.
Author: Publisher: Elsevier ISBN: 0128138416 Category : Technology & Engineering Languages : en Pages : 492
Book Description
Lanthanide-Based Multifunctional Materials: From OLEDs to SIMs serves as a comprehensive and state-of the art review on these promising compounds, delivering a panorama of their extensive and rapidly growing applications. After an introductory chapter on the theoretical description of the optical and magnetic behaviour of lanthanides and on the prediction of their properties by ab-initio methods, four chapters are devoted to lanthanide-based OLEDs, including the latest trends in visible emitters, the emerging field of near infrared emitters and the first achievements attained in the field of chiral OLEDs. The use of lanthanide complexes as molecular magnets spreads over another two chapters, which explain the evolution of 4f-elements-based SIMs and the most recent advances in heterometallic 3d–4f SMMs. Other very active research areas are covered in the remaining five chapters, dedicated to lanthanide-doped germanate and tellurite glasses, luminescent materials for up-conversion, luminescent thermosensors, multimodal imaging and therapeutic agents, and chemosensors. The book is aimed at academic and industrial researchers, undergraduates and postgraduates alike, and is of particular interest for the Materials Science, Applied Physics and Applied Chemistry communities. Includes the latest progress on lanthanide-based materials and their applications (in OLEDs, SIMs, doped matrices, up-conversion, thermosensors, theragnostics and chemosensors) Presents basic and applied aspects of the Physics and Chemistry of lanthanide compounds, as well as future lines of action Covers successful examples of devices and proofs-of-concept and provides guidelines for the rational design of new materials
Author: Duca, Gheorghe Publisher: IGI Global ISBN: 1668472007 Category : Technology & Engineering Languages : en Pages : 524
Book Description
Redox processes represent a major advancement in water treatment technology and have other applications across environmental and technological contexts. Redox processes must be studied further to ensure they are utilized appropriately. Fundamental and Biomedical Aspects of Redox Processes accumulates new knowledge regarding the essence of the oxidation-reduction processes, the justification of key mechanisms, and the discovery of new aspects of methods of controlling redox reactions. Covering key topics such as wastewater treatment, soil, natural waters, and chemistry, this reference work is ideal for industry professionals, scientists, researchers, academicians, scholars, practitioners, instructors, and students.
Author: Challa Kumar Publisher: Walter de Gruyter GmbH & Co KG ISBN: 3110345005 Category : Technology & Engineering Languages : en Pages : 238
Book Description
This is the second volume in the series of books covering practical aspects of synthesis and characterization of various categories of nanomaterials taking into consideration the most up to date research publications. The aim of the book series is to provide students and researchers practical information such as synthetic procedures, characterization protocols and mechanistic insights to enable them to either reproduce well established methods or plan for new syntheses of size and shaped controlled nanomaterials. The second volume focuses on multifunctional nanomaterials.
Author: Jian Wei Xu Publisher: Royal Society of Chemistry ISBN: 1788016823 Category : Technology & Engineering Languages : en Pages : 546
Book Description
Interest in and attention on electrochromic technology has been growing since the 1970s, with the advent of numerous electrochromic devices in commercial and industrial settings. Many laboratory-based colour-changing electrochromic device prototypes have surfaced following research breakthroughs in recent years, and the consumer market has been expanding continuously. Electrochromic devices have a wide range of applications, such as displays, self-dimming mirrors for automobiles, electrochromic e-skins, textiles, and smart windows for energy-efficient buildings. Electrochromic Smart Materials covers major topics related to the phenomenon of electrochromism, including fundamental principles, different classes and subclasses of electrochromic materials, and device processing and manufacturing. It also highlights a broad range of existing and potential applications of electrochromic devices, with an analysis of the current market needs and future trends. Providing a comprehensive overview of the field, this book will serve as introductory reading to those new to this area, as well as a resource providing detailed, in-depth knowledge and insights to the seasoned audience. Featuring contributions from researchers across the globe, it will be of interest to postgraduate students and researchers in both academia and industry interested in smart design, materials science and engineering.
Author: Munishwar Nath Gupta Publisher: CRC Press ISBN: 1040092470 Category : Technology & Engineering Languages : en Pages : 267
Book Description
This compact volume is focused on an eclectic mix of biotechnological and biomedical applications of stimuli-sensitive polymeric materials. It starts with their chemical synthesis and design strategies. This is followed by discussions of their applications in microfluidics, biosensors, wound healing and anticancer therapy. Two other interesting applications covered are the design of aptamer-based smart surfaces for biological applications and use of smart hydrogels in tissue engineering. In general, it provides a snapshot of the current state-of-the-art in design and applications of smart systems at the interfaces of biological sciences.
Author: Ghulam Yasin Publisher: CRC Press ISBN: 1040124607 Category : Technology & Engineering Languages : en Pages : 326
Book Description
As an emerging material platform, multifunctional coordination materials offer many advantages such as remarkable porosity, structural flexibility, crystallinity, and modifiable functionalities that render them highly suited to generate and store green energy. This book covers the design and fabrication approaches of multifunctional coordination materials for green energy-related technologies, including batteries, supercapacitors, solar cells, and nanogenerators. • Discusses fundamentals of multifunctional coordination materials. • Explains vital synthesis and design techniques as well as theoretical modeling. • Offers a comprehensive overview of preparation, structural and morphological properties, and applications in a wide variety of energy production, energy storage, and energy device technologies. • Assesses environmental impacts, recycling, challenges, and future perspectives. Multifunctional Coordination Materials for Green Energy Technologies is an ideal reference for advanced students and researchers working in materials engineering, including new catalyst development, battery design, and related areas.
Author: Roger J. Mortimer Publisher: John Wiley & Sons ISBN: 3527336109 Category : Technology & Engineering Languages : en Pages : 668
Book Description
Electrochromic materials can change their properties under the influence of an electrical voltage or current. Different classes of materials show this behavior such as transition metal oxides, conjugated polymers, metal-coordinated complexes and organic molecules. As the color change is persistent, the electric field needs only to be applied to initiate the switching, allowing for applications such as low-energy consumption displays, light-adapting mirrors in the automobile industry and smart windows for which the amount of transmitted light and heat can be controlled. The first part of this book describes the different classes and processing techniques of electrochromic materials. The second part highlights nanostructured electrochromic materials and device fabrication, and the third part focuses on the applications such as smart windows, adaptive camouflage, biomimicry, wearable displays and fashion. The last part rounds off the book by device case studies and environmental impact issues.
Author: Khrystyna Herasymchuk
Author: Khrystyna Herasymchuk
Author: 
Author: Duca, Gheorghe
Author: Challa Kumar
Author: Jian Wei Xu
Author: Munishwar Nath Gupta
Author: Ghulam Yasin
Author: Lingwei Ma
Author: Roger J. Mortimer
Author: Mary Elizabeth Noon