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Advance in Multifunctional Materials
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Advance in Multifunctional Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 3847

Special Issue Editor

Prof. Dr. Ajith Kumar

E-Mail Website
Guest Editor
Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX 78249, USA
Interests: multifunctional materials

Special Issue Information

Dear Colleagues,

Materials with multiple functionalities—i.e., materials or material-based systems that combine two or more properties, one of which is normally structural and the other functional, e.g. optical, electrical, mechanical, magnetic, thermal—are of particular importance in various areas. The introduction of nanotechnology has led to tremendous developments in smart multifunctional materials where functionalities can precisely be tailored for specific applications. Nature is one of the best inspiring agents to develop multifunctional materials, and in our daily lives, there are many examples of smart materials inspired by nature. For example, human skin has various functionalities, such as sensing, healing, and actuation, and it automatically adjusts to environmental conditions and protects our body. By mimicking these inspirational observations from nature, scientists can successfully design several kinds of synthetic multifunctional materials. This field of research includes the development of new smart materials, the improvement of the characteristics of traditional materials, the fabrication of such materials, and the integration of these materials in a component. It is a strongly interdisciplinary field, consisting of materials scientists, engineers, architects, doctors, and many others.

In recent years, multifunctional materials have represented a significant revolution in the biomedical industry. Various types of nanomaterials, such as gold, silver, ceramic, graphene, and carbon nanotubes, are used to develop and create multifunctional materials to fight coronavirus.  Several multifunctional nanopolymer coatings are widely used to kill the virus on surfaces. These coatings are also effectively applied on face masks. A new area in biotechnology, viz. theragnostic, was introduced as a complement to multifunction material. Materials with both diagnostic and therapeutic applications are very widely used in the medical industry, one of the most recent examples being the application of this multifunctional nanotherapeutic strategy to target SARS-COV-2. Considering the importance of these materials in diverse applications,

This Special Issue is dedicated to the most recent developments and applications of multifunctional materials in the following areas:

  1. biomedical engineering,
  2. textile engineering,
  3. sensors,
  4. structural engineering (building and automobile),
  5. energy,
  6. electronics and telecommunication
  7. the food industry.

Prof. Dr. Ajith Kumar
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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

  • biomedical engineering
  • textile engineering
  • sensors
  • structural engineering (building and automobile)
  • energy
  • electronics and telecommunication
  • the food industry

Published Papers (2 papers)

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Research

15 pages, 5157 KiB  
Article
Improving the Dispersibility of TiO2 in the Colloidal System Using Trifunctional Spherosilicates
by Bogna Sztorch, Krzysztof Nowak, Miłosz Frydrych, Julia Leśniewska, Klaudia Krysiak, Robert E. Przekop and Anna Olejnik
Materials 2023, 16(4), 1442; https://doi.org/10.3390/ma16041442 - 08 Feb 2023
Cited by 4 | Viewed by 2144
Abstract
Titanium dioxide is a commonly used ingredient in cosmetics acting as a thickening agent and inorganic UV filter. However, TiO2 is difficult to disperse, which causes problems in spreading the formulations. The solution to this problem is to modify the titanium dioxide [...] Read more.
Titanium dioxide is a commonly used ingredient in cosmetics acting as a thickening agent and inorganic UV filter. However, TiO2 is difficult to disperse, which causes problems in spreading the formulations. The solution to this problem is to modify the titanium dioxide surface to change its properties by creation of the new type of hybrid inorganic–organic UV filter. Therefore, this study aimed to functionalize titanium dioxide with organosilicon compounds and determine how this modification will affect the dispersibility of TiO2 in the colloidal system and the stability of emulsions. First, the functionalized octaspherosilicates were obtained and characterized. Next, the synthesized compounds were applied as modifiers for titanium dioxide and were analyzed by FT-IR, UV-Vis, and laser diffraction. Furthermore, the hydrophilic–hydrophobic character was assessed by measuring the contact angle. The new materials were introduced into emulsions and the formulations were analyzed in terms of particle size distribution and stability by multiple light scattering. It was found that the modification of titanium dioxide with spherosilicates significantly improved both the stability of emulsion and the dispersibility of novel materials in the colloidal system compared to nonmodified TiO2. The covalent binding of the modifier with the titanium dioxide had an impact on the stability of the emulsion. Full article
(This article belongs to the Special Issue Advance in Multifunctional Materials)
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8 pages, 956 KiB  
Article
Jerky Motion of the Reaction Front during Discontinuous Dissolution in a Fe-13.5 at.% Zn Alloy
by Mateusz Chronowski, Jarosław Opara, Boris Straumal, Brigitte Baretzky and Pawel Zięba
Materials 2022, 15(10), 3525; https://doi.org/10.3390/ma15103525 - 13 May 2022
Cited by 2 | Viewed by 1297
Abstract
This paper studies the go- and -stop movement of a receding reaction front (RF) during a discontinuous dissolution (DD) process. A special simulation procedure was applied for the DD reaction to predict a jerky motion of the RF. The Fe-13.5 at.% Zn alloy [...] Read more.
This paper studies the go- and -stop movement of a receding reaction front (RF) during a discontinuous dissolution (DD) process. A special simulation procedure was applied for the DD reaction to predict a jerky motion of the RF. The Fe-13.5 at.% Zn alloy was selected in which go- and -stop behaviour was revealed in the form of characteristic lines (called “ghost lines”) showing successive positions of receding RF. The results presented for the DD process are quite different from those relevant for the DP reaction at the same Fe-13.5 at.% Zn alloy in terms of go- and -stop motion and movement distance. For the presented case, the go- and -stop periods are relatively long and obtain an order of several dozen seconds, while for the DP reaction, it was only a few seconds. A similar conclusion was formulated after a comparison of the movement distance which, for the DD reaction, is usually longer by 1–2 orders of magnitude. The simulation results of the DD reaction indicate a good agreement with the experimental data presented in the literature for the same dissolution rate. It is necessary to emphasize that the simulation is the only source of data for z parameter changes during the -stop period of the DD reaction. Full article
(This article belongs to the Special Issue Advance in Multifunctional Materials)
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