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Aerogel Composites, Nanocomposites, Hybrids and Their Applications

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (28 February 2020) | Viewed by 3753

Special Issue Editor


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Guest Editor
Debreceni Egyetem, Department of Inorganic and Analytical Chemistry, University of Debrecen, 4032 Debrecen, Hungary
Interests: aerogel synthesis; hybrid aerogels; catalytic and photocatalytic activity; fluorescent aerogels; analytical applications; supercritical adsorption; tissue engineering; bone substitution
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Special Issue Information

Dear Colleague,

Aerogels are the lightest solid-state substances with extremely low density, a very high surface area, and exhibit an open mesopore system. A continuously growing family of aerogel-based materials are aerogel composites and nanocomposites, in which the aerogel phase serves as a matrix. Interaction between the matrix and guest particles may improve certain properties and lead to the appearance of new ones. Molecular level distribution of at least two matrix components creates aerogel hybrids. Chemical modifications and structural reinforcement may lead to unique mechanical, optical, catalytic and surface properties. Aerogel composites and aerogel hybrids are being extensively studied and used in a variety of areas, such as insulation, rechargeable batteries, chemical sensors, catalysts, drug delivery, and tissue engineering.

This Special Issue “Aerogel Composites, Nanocomposites, Hybrids, and their Applications” focuses on any aspects of synthesis, production, structure, and properties of aerogel composites, with particular attention given to the interaction between matrix components and guest particles that may result in an enhancement of certain properties.

Both original papers and reviews dealing with the synthesis, properties, and applications of aerogel composites, nanocomposites and hybrids are welcome.

Dr. István Lázár
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aerogels
  • composites
  • hybrids
  • nanoparticles
  • reinforcement
  • matrix
  • catalyses
  • guest particles
  • tissue engineering
  • insulation

Published Papers (1 paper)

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Research

11 pages, 11209 KiB  
Article
Temperature-Dependent Stiffening and Inelastic Behavior of Newly Synthesized Fiber-Reinforced Super Flexible Silica Aerogels
by Ameya Rege, Pascal Voepel, Emrah Okumus, Markus Hillgärtner, Mikhail Itskov and Barbara Milow
Materials 2019, 12(18), 2878; https://doi.org/10.3390/ma12182878 - 6 Sep 2019
Cited by 4 | Viewed by 3462
Abstract
In recent years, flexible silica aerogels have gained significant attention, owing to their excellent thermal and acoustic insulation properties accompanied by mechanical flexibility. Fiber reinforcement of such aerogels results in a further enhancement of the strength and durability of the composite, while retaining [...] Read more.
In recent years, flexible silica aerogels have gained significant attention, owing to their excellent thermal and acoustic insulation properties accompanied by mechanical flexibility. Fiber reinforcement of such aerogels results in a further enhancement of the strength and durability of the composite, while retaining the excellent insulation properties. In this paper, the influence of four different kinds of fibers within a flexible silica aerogel matrix is studied and reported. First, a description of the synthesis procedure and the resulting morphology of the four aerogel composites is presented. Their mechanical behavior under uniaxial quasi-static tension and compression is investigated, particularly their performance under uniaxial compression at different temperature conditions (50 °C, 0 °C, and −50 °C). The reinforcement of the flexible silica aerogels with four different fiber types only marginally influences the thermal conductivity but strongly enhances their mechanical properties. Full article
(This article belongs to the Special Issue Aerogel Composites, Nanocomposites, Hybrids and Their Applications)
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