A in (III)-Based Organic-Inorganic Hybrid Compound PDF Download
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
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Book Description
Organic-inorganic hybrid phase transition compounds with dielectric switchable property have attract great intention, which can be used in data storage, sensing, NLO materials. Here, a new organic-inorganic hybrid phase transition compound (C 4 H 7 N 2 ) 4 [InBr 6 ][InBr 4 ]·2H 2 O( 1 ) is synthesized by In 2 O 3 and 4-methylimidazole in excess HBr. Two pairs of thermal anomaly peaks at 242/236 K (T 1 ) and 253/249 K (T 2 ) are presented in the DSC curves, the small heat hysteresis (6 K and 4 K) and the shape of the peaks indicating the second-order type of phase transition. Distinct dielectric anomaly are observed around the phase transition temperature, the value of dielectric constant in room temperature is four times higher than that in low temperature. Crystal structure analysis discloses that the order-disorder transition of 4-methylimidazole cations and change of the disorder degree in [InBr 4 ] - anions collectively induce the phase transition. This finding promotes the research on designing new In-based organic-inorganic hybrid compounds with dielectric property.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 14
Get Book Here
Book Description
Organic-inorganic hybrid phase transition compounds with dielectric switchable property have attract great intention, which can be used in data storage, sensing, NLO materials. Here, a new organic-inorganic hybrid phase transition compound (C 4 H 7 N 2 ) 4 [InBr 6 ][InBr 4 ]·2H 2 O( 1 ) is synthesized by In 2 O 3 and 4-methylimidazole in excess HBr. Two pairs of thermal anomaly peaks at 242/236 K (T 1 ) and 253/249 K (T 2 ) are presented in the DSC curves, the small heat hysteresis (6 K and 4 K) and the shape of the peaks indicating the second-order type of phase transition. Distinct dielectric anomaly are observed around the phase transition temperature, the value of dielectric constant in room temperature is four times higher than that in low temperature. Crystal structure analysis discloses that the order-disorder transition of 4-methylimidazole cations and change of the disorder degree in [InBr 4 ] - anions collectively induce the phase transition. This finding promotes the research on designing new In-based organic-inorganic hybrid compounds with dielectric property.
Author: Jesús-María García- Martínez
Publisher: MDPI
ISBN: 3036513019
Category : Science
Languages : en
Pages : 188
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Book Description
This book deals with one of the most attractive fields in material science and technology research. In fact, the concept of organic–inorganic hybrid materials is applied to a wide variety of approaches that include materials with inorganic and/or organic nature with respect to their matrices and/or dispersed phase. The present book compiles one editorial and eleven approaches to the topic, and intends to provide a transversal idea about what the field of the so-called organic–inorganic hybrid materials means in actual scientific scenarios. In any case, the role is pointed out of the interphase between the components as the critical aspect to consider, as a way to enhance and understand these components in order to design materials with "tailor-made" organized structures considering the increasing nano-, meso-, micro- and macro-scales.
Author: Rakesh Kumar Sharma
Publisher: World Scientific
ISBN: 1786347482
Category : Science
Languages : en
Pages : 277
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Book Description
Currently the field of nanocatalysis is undergoing many exciting developments and the design of silica-based organic-inorganic hybrid nanocatalysts is a key focus of the researchers working in this field.This book aims to present a succinct overview of the recent research progress directed towards the fabrication of silica-based organic-inorganic hybrid catalytic systems encompassing the key advantages of silica nanoparticles and silica-coated magnetic nanoparticles in an integrated manner. Featuring comprehensive descriptions of almost all approaches utilized for the synthesis of nanomaterials including some latest techniques such as flow and microwave-assisted synthesis that enable large-scale synthesis, it proves useful not only to academics but also industrialists. It also includes a systematic discussion on the vital characterization techniques employed for authenticating the structure of these.The title also offers an enormous amount of knowledge about the fusion of nanotechnology with green chemistry that strives to meet the scientific challenges of protecting human health and the environment.
Author: Marie Helene Delville
Publisher: John Wiley & Sons
ISBN: 3527807101
Category : Technology & Engineering
Languages : en
Pages : 1009
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Book Description
Hybrid organic-inorganic materials and the rational design of their interfaces open up the access to a wide spectrum of functionalities not achievable with traditional concepts of materials science. This innovative class of materials has a major impact in many application domains such as optics, electronics, mechanics, energy storage and conversion, protective coatings, catalysis, sensing and nanomedicine. The properties of these materials do not only depend on the chemical structure, and the mutual interaction between their nano-scale building blocks, but are also strongly influenced by the interfaces they share. This handbook focuses on the most recent investigations concerning the design, control, and dynamics of hybrid organic-inorganic interfaces, covering: (i) characterization methods of interfaces, (ii) innovative computational approaches and simulation of interaction processes, (iii) in-situ studies of dynamic aspects controlling the formation of these interfaces, and (iv) the role of the interface for process optimization, devices, and applications in such areas as optics, electronics, energy and medicine.
Author: Li Wei
Publisher: John Wiley & Sons
ISBN: 3527344314
Category : Science
Languages : en
Pages : 290
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Book Description
Hybrid organic-inorganic perovskites (HOIPs) have attracted substantial interest due to their chemical variability, structural diversity and favorable physical properties the past decade. This materials class encompasses other important families such as formates, azides, dicyanamides, cyanides and dicyanometallates. The book summarizes the chemical variability and structural diversity of all known hybrid organic-inorganic perovskites subclasses including halides, azides, formates, dicyanamides, cyanides and dicyanometallates. It also presents a comprehensive account of their intriguing physical properties, including photovoltaic, optoelectronic, dielectric, magnetic, ferroelectric, ferroelastic and multiferroic properties. Moreover, the current challenges and future opportunities in this exciting field are also been discussed. This timely book shows the readers a complete landscape of hybrid organic-inorganic pervoskites and associated multifuctionalities.
![New Organic Inorganic Hybrid Compound of [C5H8N3]2SO4.H2O PDF](https://books.google.com/books/content/images/frontcover/m6okuQEACAAJ?fife=w80-h100)
Author: Chaouki Ben Hassen
Publisher:
ISBN: 9783659975370
Category :
Languages : en
Pages : 52
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Book Description
Author: Lisa C. Klein
Publisher: Cambridge University Press
ISBN: 9781107414112
Category : Technology & Engineering
Languages : en
Pages : 482
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Book Description
The rapidly growing interest in novel low-temperature, solution-based synthesis of functional materials is reflected in this volume from the Materials Research Society. A recurring theme of the book is 'materials design.' The great versatility of organic/inorganic hybrids lies in the range of properties afforded by the combination of organic and inorganic constituents, and in the multiple length scales - from atomic, through molecular and mesoscopic, to micro- and macroscopic - over which the chemical interactions and structure of the materials may be controlled. Reflecting the symposium's origins in the Better Ceramics Through Chemistry series of the late 1980s and early 1990s, a significant number of papers deal with the chemistry of salines and other organometallic compounds. Topics include: synthesis and processing; novel ordered hybrid structures, layered structures and organic monolayers; nonsilicate hybrid materials; meso-, micro- and macroporous hybrids; hybrid electrochemistry, photochemistry and passivation; mechanical properties and applications; and biomedical, electronic and optical applications of hybrid materials.
Author: Knut Rurack
Publisher: John Wiley & Sons
ISBN: 9780470552698
Category : Science
Languages : en
Pages : 800
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Book Description
The combination of supramolecular chemistry, inorganic solids, and nanotechnology has already led to significant advances in many areas such as sensing, controlled motion, and delivery. By making possible an unprecedented tunability of the properties of nanomaterials, these techniques open up whole new areas of application for future supramolecular concepts. The Supramolecular Chemistry of Organic–Inorganic Hybrid Materials gathers current knowledge on the subject and provides an overview of the present state and upcoming challenges in this rapidly growing, highly cross- or interdisciplinary research field. The book details how these designed materials can improve existing materials or generate novel functional features such as chemical amplification, cooperative binding and signal enhancement that are difficult or not at all achievable by classical organic supramolecular chemistry. It also discusses issues related to nanofabrication or nanotechnology such as the directed and controlled assembly or disassembly, biomimetic functions and strategies, and the gating and switching of surface functions or morphology.
Author: Diana M. Fernandes
Publisher: John Wiley & Sons
ISBN: 3527842705
Category : Science
Languages : en
Pages : 386
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Book Description
Well-researched reference on stable alternative electrocatalysts and electrode materials with the potential to transform chemistry and processes in sensor- and energy-related technologies Applied Polyoxometalate-based Electrocatalysis delivers an overview of the variety of efficient applications of free POM and POM-based (nano)composites as exciting materials in the field of electrocatalysis. With a variety of sizes, shapes, composition, and physical and chemical properties, these composites have important properties, such as the ability to undergo reversible multivalence reductions/oxidations, leading to the formation of mixed-valence species, which brings about favorable electrocatalytic properties with regard to several electrochemical processes. Edited by a highly qualified independent researcher internationally recognized for her contributions to materials for electrochemical energy-related reactions, Applied Polyoxometalate-based Electrocatalysis includes information on: General methodologies used in the preparation of free POMs and POM-based nanocomposites and different strategies employed in electrode modification Role of POM-modified electrodes in oxidative and reductive electrocatalysis, including the detection/sensing of several (bio)molecules of interest and carbon dioxide electroreduction Application of POM-based (nano)composites, including the oxygen reduction reaction relevant to fuel cells, the oxygen and hydrogen evolution reactions, and batteries and supercapacitors Applied Polyoxometalate-based Electrocatalysis is an essential reference on the subject for chemists, material scientists, chemical engineers, and institutions involved in work related to free POM and POM-based (nano)composites.
Author: Susheel Kalia
Publisher: Springer
ISBN: 3319135937
Category : Technology & Engineering
Languages : en
Pages : 390
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Book Description
Advances in Polymer Science enjoys a longstanding tradition and good reputation in its community. Each volume is dedicated to a current topic, and each review critically surveys one aspect of that topic, to place it within the context of the volume. The volumes typically summarize the significant developments of the last 5 to 10 years and discuss them critically, presenting selected examples, explaining and illustrating the important principles, and bringing together many important references of primary literature. On that basis, future research directions in the area can be discussed. Advances in Polymer Science volumes thus are important references for every polymer scientist, as well as for other scientists interested in polymer science - as an introduction to a neighboring field, or as a compilation of detailed information for the specialist.
