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Nanoporous Materials: Science and Engineering

May 24, 2010 by AboutNanoWires.com · Leave a Comment 

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Porous materials are of scientific and technological importance because of the presence of voids of controllable dimensions at the atomic, molecular, and nanometer scales, enabling them to discriminate and interact with molecules and clusters. Interestingly the big deal about this class of materials is about the “nothingness” within — the pore space. International Union of Pure and Applied Chemistry (IUPAC) classifies porous materials into three categories — micropores of less than 2 nm in diameter, mesopores between 2 and 50 nm, and macropores of greater than 50 nm. In this book, nanoporous materials are defined as those porous materials with pore diameters less than 100 nm. Over the last decade, there has been an ever increasing interest and research effort in the synthesis, characterization, functionalization, molecular modeling and design of nanoporous materials. The main challenges in research include the fundamental understanding of structure-property relations and tailor-design of nanostructures for specific properties and applications. Research efforts in this field have been driven by the rapid growing emerging applications such as biosensor, drug delivery, gas separation, energy storage and fuel cell technology, nanocatalysis and photonics. These applications offer exciting new opportunities for scientists to develop new strategies and techniques for the synthesis and applications of these materials.

This book provides a series of systematic reviews of the recent developments in nanoporous materials. It covers the following topics: (1) synthesis, processing, characterization and property evaluation; (2) functionalization by physical and/or chemical treatments; (3) experimental and computational studies on fundamental properties, such as catalytic effects, transport and adsorption, molecular sieving and biosorption; (4) applications, including photonic devices, catalysis, environmental pollution control, biological molecules separation and isolation, sensors, membranes, hydrogen and energy storage, etc.

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Zeolite Characterization and Catalysis: A Tutorial

May 24, 2010 by AboutNanoWires.com · Leave a Comment 

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Zeolites have been an important material in catalysis and other applications (adsorbents, detergents) for the last 50 years. While new types of porous materials (ordered mesopores, metal organic frameworks) are now attracting more R&D attention, zeolites are still the most important crystalline industrial catalysts.

Zeolite Characterization and Catalysis: A Tutorial makes available a series of tutorials on zeolite characterization and catalysis. Topics covered include X-ray powder diffraction, infra-red and Raman spectroscopy, Electron microscopy, determination of acid/base properties, the important reactions of C1 building blocks over zeolites as well as zeolite catalysis in chemicals . An important chapter covers computational methods in zeolite science.

Zeolite Characterization and Catalysis: A Tutorial is intended for graduate students, post-docs and experienced scientists entering the fields of synthesis, characterization and catalytic applications of porous materials.

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Chemistry of Nanostructured Materials

May 24, 2010 by AboutNanoWires.com · Leave a Comment 

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This important book reviews extensively the preparative chemistry of various nanostructured materials, as well as structural-property correlations for these new materials. Materials of current interest, such as nanocrystals, nanowires, nanotubes, porous materials, and composites, are comprehensively covered.

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Materials Syntheses: A Practical Guide

May 22, 2010 by AboutNanoWires.com · Leave a Comment 

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Materials syntheses are generally more complex than syntheses of inorganic or organic compounds, and specific characterization methods play a more important role. Materials synthesis protocols often suffer from unclarities, irreproducibility, lack in detail and lack in standards. The need to change this situation is the main motivation for this book. A number of detailed protocols has been collected, ranging from organic polymers to carbonaceous and ceramic materials, from gels to porous and layered materials and from powders and nanoparticles to films. Preparation methods include intercalation and flux methods, sol-gel processing, templating methods for porous materials, sonochemistry or spray pyrolysis.

Each contribution provides detailed and unambiguous description of the hardware, specific characteristics of the procedure, scope of applicability as well as methods that unequivocally identify and characterize the material and allow checking whether the synthesis was successful.

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Proceedings of the 28th International Thermal Conductivity Conference and

May 20, 2010 by AboutNanoWires.com · Leave a Comment 

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· Latest original research in 73 new presentations on thermal conductivity · Thermal conductivity of composites, nanomaterials, ceramics, insulation, fluids and more · Thermal expansion in solids–and liquids and gases · Sensors, monitoring, and modeling · Applications in many fields of engineering

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A new volume has just been added to the highly successful ITCC-ITES series on thermal conductivity. This new book is based on the 28th International Thermal Conductivity and 16th International Thermal Expansion conference, held in Canada last year. The papers in this book, written by leading international specialists, provide a valuable collection of original and ongoing work in thermal conductivity.

This book presents the most current research on heat flow in materials, ranging from metals to newer materials such as thin films and nanowires. Together with the earlier volumes described below, Thermal Conductivity 28/Thermal Expansion 16, is an important resource for specialists and researchers who need to know the latest TC advances.

SECTION HEADS and a SAMPLING of KEY TITLE WORDS

· Insulation—Multilayer

· Composites and Porous Materials—Interfacial Separation, Ceramic Crack, Flash Diffusivity

· Thermal Expansion—Negative Thermal

· Modelling—Phonons in Crystals

· Gases and Fluids—Methane

· Experimental Techniques—Hot Disk, Inverse Heat Transfer, Hot Bridge Sensor, All-Optical

· Applications—Biological Products, Modified Hot Wire, Nuclear Fuel, Fiber

· Nanomaterials—Thin-film Electronic, Nanowires, Heat Spread Films, Metallic Thin Films

· General—Resistant Alloys, Graphite, Free Electrons, Porous Matrix, Heterogeneous Materials

——————————————————————————– TABLE OF CONTENTS

Preface

CHAPTER 1—INSULATION

· Detecting Resin Pre-Gelation in Hydro Generator Stator Bar Insulation

· Thermal Insulation Using Fullerenes

· Determination of Thermal Conductivity of Insulating Gels Using the Inverse Heat Transfer Method

· Thermodynamic Analysis of High-Temperature, Multilayer Thermal Insulations

CHAPTER 2—COMPOSITES AND POROUS MATERIALS

· Measurement of the Thermophysical Properties of Magnesia-Carbon Refractory Materials

· Effect of Interfacial Separation on Composite Thermal Conductivity

· Method for Analyzing Thermal Conductivity of Heterogeneous Materials

· Heat Conduction in Ceramics: Pores, Cracks and Splat Boundaries

· The Long-Term Thermal Performance of Foams having Non-Uniform Density

· Analysis of Flash Diffusivity Experiments Performed on Semi-Porous Materials

· Measurement of Thermophysical Properties of Porous Ceramic Blocks by the Flash Method

CHAPTER 3—THERMAL EXPANSION

· Technique for Volumetric Expansion of Liquids and Solids from 200–400K

· Negative Thermal Expansion

· Variation of the Linear Coefficient of Thermal Expansion of Polymers Subject to Tension and Compression

CHAPTER 4—MODELLING

· Repeated Reflections of Acoustic Phonons in Hexagonal Crystals

· Measurement and Microstructure-Based Modeling of the Thermal Conductivity of Fire Resistive Materials

· Reflection Effects on the Thermal Conductivity of Dielectric Crystals in the Boundary-Scattering Regime

CHAPTER 5—GASES AND FLUIDS

· Thermal Conductivity of Methane—Revised Correlation of Experimental Data

CHAPTER 6—EXPERIMENTAL TECHNIQUES

· Infrared Imaging during Hot Disk Thermal Conductivity Measurements

· High-Temperature Guarded Hot Plate Apparatus—Control of Edge Heat Loss

· Determination of the Thermal and Electrical Contact Resistances at Elevated Temperatures

· Fabrication of a Guarded-Hot-Plate Apparatus for Use Over an Extended

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