Special Issue "Sol-Gel Preparation of Nanomaterials"
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: 31 March 2018
Prof. Dr. Erhard Kemnitz
Full University Professor, Chemistry Department, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, D-12489 Berlin, Germany
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Interests: mechanistic aspects of heterogeneously catalysed fluorination reactions, non-aqueous fluorolytic sol–gel synthesis of nanoscopic metal fluorides; nano metal fluorides as solid Lewis acids; nano metal hydroxide fluorides as biacidic Brønsted/Lewis acids and bases; metal fluoride sols for antireflective coating; inorganic–organic hybrid materials based on nano metal fluorides
Nanomaterial chemistry has become an extremely important area of research over the past 20 years. Although many different nanomaterials have already found industrial applications we are still just at the beginning of a new scientific and industrial revolution driven by the advances in nanomaterials science.
Over the past decades, many new synthesis techniques have been developed that give access to the fascinating world of nanomaterials with different chemical and physical properties. The sol-gel synthesis certainly is one of the most powerful synthesis routes in terms of the wide variety of synthesis approaches and technical applications. Especially the classical (aqueous) sol-gel synthesis route, mainly forced by the development of silica, was but still is in the focus of thousands of chemists and materials scientists worldwide.
However, motivated by new developments like atomic layer deposition, ALD, and others, non-aqueous sol-gel synthesis approaches have been developed recently, thus extending the synthesis access toward nanoscopic new materials.
Therefore, it is the intention of the Special Issue of Nanomaterials to present the current state-of-the-art in the sol-gel-based synthesis approaches towards nanomaterials. Characteristic properties and fields of applications of those materials may highlight the potential of these synthesis approaches. On a first glance, there is no restriction on classes of sol-gel formed nanomaterials as well as field of application. Therefore, in the present Special Issue, contributions from leading groups in the field with the aim of giving a balanced view of the current state-of-the-art in the sol-gel-synthesis field are invited.
Prof. Dr. Erhard Kemnitz
Manuscript Submission Information
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• Mechanistic Synthesis Aspects
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Non‐aqueous sol‐gel synthesis of FePt nanoparticles
in absence of in situ stabilizers
Author: Tobias Preller*,†, Dirk Menzel∥, J. Cedric Porsiel†, Bilal Temel†, Georg Garnweitner*,†
Abstract: The synthesis of FePt nanocrystals is typically performed in an organic solvent at comparably high
temperatures, requiring the usage of the in situ stabilizers oleic acid and oleylamine to produce
monomodal particles with well‐defined morphologies. By the replacement of the typically used
solvents by organic media bearing functional moieties, the use of the stabilizer can be omitted.
Furthermore, various morphologies and sizes of the nanocrystals as well as an excess of iron or
platinum atoms at the particle surface can be adjusted by the choice of organic solvent. Thus, the
kinetics of particle growth and the change in the magnetic behavior of the FePt nanocrystals during
the synthesis with the different solvents as well as the resulting morphologies of the nanoparticles
were determined by a variety of analytical methods.