Phase Transitions and Related Properties of Organic-inorganic Hybrid Materials PDF Download
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Author: K. Mattukat
Publisher:
ISBN:
Category : Crystals
Languages : en
Pages : 186
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Book Description
Author: K. Mattukat
Publisher:
ISBN:
Category : Crystals
Languages : en
Pages : 186
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Book Description
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.
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: 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: Hitesh Arora
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Polymers are soft macromolecules that can be structured and designed according to the need. The properties of these materials, however, are often limited due to purely organic nature of these macromolecules. Addition of an inorganic material into the polymer, however, results in a hybrid material with improved properties that are a combination of its constituents. In this dissertation, formation, processing, characterization and applications of two different polymer-inorganic hybrid systems are discussed, where order and dynamics of the hybrid material is driven by the polymer thermodynamics. The first system combines the block copolymer selfassembly with functional inorganic nanoparticles to generate nanostructured and nanoporous thin films. The order in the nanoporous thin films is determined by quantitative image analysis. Nanoporous films are used as templates to generate epitaxial and heteroepitaxial single crystalline nanostructures on silicon substrates. The single crystalline nanostructures are characterized through various microscopy and diffraction techniques to determine the lateral order, crystal structure and orientation of the resulting nanostructures on the substrate. The second system combines a thermoresponsive polymer with charged clay nanoparticles to form hybrid hydrogels with improved mechanical properties. Additional porosity is induced into the gels for faster swelling kinetics. The resulting super-porous hybrid gels are used in a device that induces directed motion by inducing the volume phase transition locally and propagating the volume phase transitions through the length of the gel.
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: Kinga Pielichowska
Publisher: Elsevier
ISBN: 0323857205
Category : Technology & Engineering
Languages : en
Pages : 642
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Book Description
Multifunctional Phase Change Materials: Fundamentals, Properties and Applications updates on phase change materials (PCMs) used for the storage of thermal energy as sensible and latent heat. This class of materials is the subject of intensive research, both fundamental and applied, as they substantially contribute to the efficient use and conservation of waste heat and solar energy. Different groups of materials have been investigated as PCMs, including inorganic systems (salt and salt hydrates), organic, e.g., paraffins or fatty acids, polymers, and finally, hybrid materials. Recent developments are focused on multifunctional PCMs that provide functional features apart from energy storage, such as desired optical or antibacterial properties. This book presents various synthesis approaches for functionalized materials, as well as specific interactions and self-organization effects in polymer/functionalized (nano)particle systems. It reviews the current state-of-the-art in multifunctional phase change materials for thermal energy storage applications by describing the fundamentals of energy storage, the main classes of PCMs, functionalization protocols, encapsulation methods and shape stabilization procedures. Covers the most important developments in PCMs that have expanded rapidly over the last few years, including thermochromic and thermoelectric PCMs, as well as fluorescence-functionalized phase change materials Includes the newest solutions in PCMs related to functionalization and shape stabilization, e.g., nano-encapsulation and electrospun ultrafine phase change fibers Provides a multidisciplinary, comprehensive work that will be of interest for a wide readership active in various disciplines, from materials science to environmental engineering
Author: Hiroyuki Sasabe
Publisher: CRC Press
ISBN: 9789056991333
Category : Science
Languages : en
Pages : 226
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Book Description
Hyper-structured molecules are topologically well-defined molecules in two or three dimensions and are expected to show novel quantum effects in the molecules themselves or in molecular sequences. This book, covering the supramolecular chemistry and characterization of hyper-structured molecules, provides an invaluable resource on the design and synthesis of topologically controlled molecules such as dendritic polymers, and on ways to handle them using techniques such as photon scanning tunneling microscopy. The book presents a comprehensive discussion of the real application of hyper-structured molecules to organic quantum devices for molecular electronics, photonics and spinics and should be of interest to all researchers working in supramolecular chemistry or molecular electronics.
Author: Barbara Pause
Publisher: Cambridge Scholars Publishing
ISBN: 1036404587
Category : Technology & Engineering
Languages : en
Pages : 190
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Book Description
Phase change material technology is one of the emerging technologies nowadays. At present, the technology is mainly utilized for thermal energy storage, cold chain applications, and electronics cooling. However, there are many more areas where the use of this technology would be beneficiary. Phase change material technology could enhance thermal protection of protective garments and regulate the heat transfer through roofing systems making buildings more energy efficient. These applications and others are discussed in the book. To apply the phase change material technology successfully, some design requirements need to be considered which are revealed in the book for the first time. The book provides guidance and tools for designers and engineers involved in the development of products utilizing this technology. In addition, procedures for testing the thermal performance of products equipped with phase change material are introduced and discussed. Due to the advanced knowledge presented in the book, it will also be a valuable reference text for researchers in academia as well as students in material science.
Author: Guido Kickelbick
Publisher: John Wiley & Sons
ISBN: 3527610480
Category : Science
Languages : en
Pages : 516
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Book Description
Hybrid materials have currently a great impact on numerous future developments including nanotechnology. This book presents an overview about the different types of materials, clearly structured into synthesis, characterization and applications. A perfect starting point for everyone interested in the field, but also for the specialist as a source of high quality information.
