Access in nanoporous materials

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Contents

  1. Adsorption and Diffusion in Nanoporous Materials
  2. Deliverables
  3. Nanoporous Materials II, Volume - 1st Edition
  4. About this book

Adsorption and Diffusion in Nanoporous Materials

In modern technology, porous thin films are attracting tremendous attention due to their applicability in gas sensors, chemical and energy conversion devices, catalysis, and so on. In view of this, spray pyrolysis is a simple and the effective technique to synthesize thin films possessing porous morphology. In this technique aqueous or alcoholic solutions of inorganic precursors are sprayed onto a hot substrate which then pyrolytically decompose into a desired compound in thin-film form featuring excellent adhesion.

The thickness and morphology of the porous films can be varied by maneuvering various process parameters such as molarity of the solution, substrate temperature, flow rate of the carrier gas, distance from spray nozzle to substrate, etc [ 9 ].


  • Principles of Metabolic Control in Mammalian Systems;
  • Fabrication and thermo-mechanical behavior of nanoporous materials.
  • 2nd Edition.

Research efforts in the field of nanoporous materials have been driven by the emerging and rapidly growing applications of nanoporous materials as adsorbents and ion exchangers. The nanomaterials with uniform pores and a high surface-area-to-volume ratio produce large amount of catalytic sites for efficient catalysis, guest-host interaction for immobilized homogeneous catalysts, enzymes, nonlinear optics, low dielectric constant mediate, etc.


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  • Tyndall National Institute - Nanoporous Materials.
  • Second Language Acquisition Processes in the Classroom: Learning Japanese;
  • Publication details!
  • 1. Introduction!
  • Quantifying similarity of pore-geometry in nanoporous materials | Nature Communications.

Nanoporous materials have shown excellent application in several bioanalyses such as in biomedical diagnosis and the monitoring of food, as decontaminants and environmental quality, antibacterial agents in drug release, enzyme mimetics, biosensors, and adjuvant in anticancer therapy [ 10 ]. The applicability of nanoporous material shows several exotic new and novel opportunities for the researchers and scientists to develop new methodologies, strategies, and techniques for synthesizing the nanoporous materials.

In this book, a series of systematic chapters based on the recent developments in nanoporous materials is presented. To facilitate the understanding and to highlight the essential concepts, the chapters are designed to explain the basics of nanoporous materials. The chapters are strongly interconnected and intermingled as well, with the fundamental principles forming a framework that permeates throughout the book.

Our approach is to emphasize the essential concepts and to develop a basic textbook for the students and researchers of chemistry, physics, and materials science as well as engineers of chemical industry, environmental protection, automotive industry, refining technology, civil engineering, and electronics. The book covers a selected range of topics covering the most significant aspects involved in the understanding, properties, preparation methods, and emerging applications of nanoporous materials.

Some of the topics have not been addressed in detail in a view to keep the length of the book manageable. Hopefully, this book fulfills its purpose of inspiring young brains and guiding them into the challenging realms of nanoporous materials. Licensee IntechOpen.

Publication details

This chapter is distributed under the terms of the Creative Commons Attribution 3. Help us write another book on this subject and reach those readers. Login to your personal dashboard for more detailed statistics on your publications. June ; 84 6 : The size effect of nanoporous materials is generally believed to be caused by the large ratio of surface area to volume, so that it is also called surface effect.

Based on a recently developed elastic theory, in which the surface effect of nanomaterials is characterized by the surface energy density, combined with two micromechanical models of composite materials, the surface effect of nanoporous materials is investigated. Closed-form solutions of both the effective bulk modulus and the effective shear one of nanoporous materials are achieved, which are related to the surface energy density of corresponding bulk materials and the surface relaxation parameter of nanomaterials, rather than the surface elastic constants in previous theories.

Deliverables

An important finding is that the enhancement of mechanical properties of nanoporous materials mainly results from the compressive strain induced by nanovoid's surface relaxation. With a fixed volume fraction of nanovoids, the smaller the void size, the harder the nanoporous material will be. The results in this paper should give some insights for the design of nanodevices with advanced porous materials or structures.

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NEO Nanoporous Materials

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Nanoporous Materials II, Volume - 1st Edition

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About this book

View on ScienceDirect. Serial Editors: Stefan Ernst. Hardcover ISBN: Imprint: Elsevier Science. Published Date: 28th October Page Count: View all volumes in this series: Advances in Nanoporous Materials.