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Nanomaterials
Special Issues
Hybrid Nanomaterials Synthesis and Application
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Hybrid Nanomaterials Synthesis and Application

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanocomposite Materials".

Deadline for manuscript submissions: closed (31 March 2021) | Viewed by 12741

Special Issue Editor

Prof. Dr. Mateusz Dulski

E-Mail Website
Guest Editor
Silesian Center for Education and Interdisciplinary Research, Faculty of Science and Technology, Institute of Materials Science, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
Interests: nanomaterials; composite systems; multifunctional structures; silica-based systems; infrared and Raman spectroscopy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

I would like to invite you to consider submitting a paper to this Special Issue in the field of hybrid nanomaterials. In this context, it is crucial to explain that hybrid nanomaterials may be considered in some degree of probability, like composite materials possessing separately different chemical or physical properties, but within the composite synergistically interacting with each other and raising the functionality of final material. For the case of the nanocomposite, the constituent materials should have distinctive phases, and the dimension of at least one of them should be less than 100 nanometers. Sometimes, the structure of nanocomposite has nanoscale repeat distances between the different phases that make up the material. One example of nanocomposite can be host–guest systems, e.g., silica, titanium dioxide, or zinc oxide as ideal matrices. Such nanocomposites are widely used in electronics, energy storage, sensing, catalysis or even possess antimicrobial features. Each of them has promising properties suitable for research in high-quality original articles and might have a potential for application in the industry.

Potential topics include but are not limited to:

  • Synthesis of nanocomposite materials;
  • Functional materials;
  • Ordered porous functional thin films;
  • Methods of thin films functionalization;
  • Multifunctional and intelligent materials based on silica matrices;
  • Characterization methods of silica-based nanocomposites;
  • Porous nanocomposites;
  • Application.

Dr. Mateusz Dulski
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. Nanomaterials 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 2900 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

  • Porous silica
  • Functional materials
  • Nanocomposites
  • Host–guest systems
  • Functionalunits
  • Functionalization methods
  • Oxide matrices

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Published Papers (5 papers)

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24 pages, 4626 KiB  
Article
An Organic–Inorganic Hybrid Nanocomposite as a Potential New Biological Agent
by Mateusz Dulski, Katarzyna Malarz, Michał Kuczak, Karolina Dudek, Krzysztof Matus, Sławomir Sułowicz, Anna Mrozek-Wilczkiewicz and Anna Nowak
Nanomaterials 2020, 10(12), 2551; https://doi.org/10.3390/nano10122551 - 18 Dec 2020
Cited by 9 | Viewed by 3043 | Correction
Abstract
To solve the problem of human diseases caused by a combination of genetic and environmental factors or by microorganisms, intense research to find completely new materials is required. One of the promising systems in this area is the silver-silica nanocomposites and their derivatives. [...] Read more.
To solve the problem of human diseases caused by a combination of genetic and environmental factors or by microorganisms, intense research to find completely new materials is required. One of the promising systems in this area is the silver-silica nanocomposites and their derivatives. Hence, silver and silver oxide nanoparticles that were homogeneously distributed within a silica carrier were fabricated. Their average size was d = (7.8 ± 0.3) nm. The organic polymers (carboxymethylcellulose (CMC) and sodium alginate (AS)) were added to improve the biological features of the nanocomposite. The first system was prepared as a silver chlorine salt combination that was immersed on a silica carrier with coagulated particles whose size was d = (44.1 ± 2.3) nm, which coexisted with metallic silver. The second system obtained was synergistically interacted metallic and oxidized silver nanoparticles that were distributed on a structurally defective silica network. Their average size was d = (6.6 ± 0.7) nm. Physicochemical and biological experiments showed that the tiny silver nanoparticles in Ag/SiO2 and Ag/SiO2@AS inhibited E. coli, P. aeruginosa, S. aureus, and L. plantarum’s cell growth as well as caused a high anticancer effect. On the other hand, the massive silver nanoparticles of Ag/SiO2@CMC had a weaker antimicrobial effect, although they highly interacted against PANC-1. They also generated reactive oxygen species (ROS) as well as the induction of apoptosis via the p53-independent mechanism. Full article
(This article belongs to the Special Issue Hybrid Nanomaterials Synthesis and Application)
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13 pages, 1975 KiB  
Article
Hybrid Sol–Gel Silica Coatings Containing Graphene Nanosheets for Improving the Corrosion Protection of AA2024-T3
by Nasima Afsharimani, Alicia Durán, Dušan Galusek and Yolanda Castro
Nanomaterials 2020, 10(6), 1050; https://doi.org/10.3390/nano10061050 - 29 May 2020
Cited by 11 | Viewed by 3282
Abstract
In the present work, nanostructured graphene nanosheets were added to hybrid silica sols and deposited on aluminium alloy A2024-T3 to study the effect on the corrosion behaviour. Sols were prepared using tetraethyl-orthosilicate (TEOS), 3-glycidoxypropyl-trimethoxysilane (GPTMS) and a colloidal silica suspension (LUDOX) as silica [...] Read more.
In the present work, nanostructured graphene nanosheets were added to hybrid silica sols and deposited on aluminium alloy A2024-T3 to study the effect on the corrosion behaviour. Sols were prepared using tetraethyl-orthosilicate (TEOS), 3-glycidoxypropyl-trimethoxysilane (GPTMS) and a colloidal silica suspension (LUDOX) as silica precursors with adding chemically modified graphene nanosheets (GN-chem). The graphene nanosheets were modified through a straightforward and simple hydrothermal approach and then, dispersed into a silica sol (SiO2/GN-chem). ATR-FTIR was used to optimize the silica sol–gel synthesis and to confirm the cross-linking of the silica network. The corrosion behaviour of the SiO2/GN-chem coatings was also analysed by electrochemical measurement (potentiodynamic polarization) in 0.05 M NaCl solution. The results showed that the incorporation of modified graphene nanosheets into hybrid silica sol–gel coatings affected the corrosion properties of the substrates. An improvement in the corrosion resistance was observed likely due to the enhanced barrier property and hydrophobic behaviour obtained by incorporation of GN-chem and colloidal silica nanoparticles. Full article
(This article belongs to the Special Issue Hybrid Nanomaterials Synthesis and Application)
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14 pages, 3181 KiB  
Article
Coverage Layer Phase Composition-Dependent Photoactivity of One-Dimensional TiO2–Bi2O3 Composites
by Yuan-Chang Liang and Kai-Jen Chiang
Nanomaterials 2020, 10(5), 1005; https://doi.org/10.3390/nano10051005 - 25 May 2020
Cited by 16 | Viewed by 2846
Abstract
TiO2–Bi2O3 composite rods were synthesized by combining hydrothermal growth of rutile TiO2 rod templates and sputtering deposition of Bi2O3 thin films. The TiO2–Bi2O3 composite rods with β-Bi2O [...] Read more.
TiO2–Bi2O3 composite rods were synthesized by combining hydrothermal growth of rutile TiO2 rod templates and sputtering deposition of Bi2O3 thin films. The TiO2–Bi2O3 composite rods with β-Bi2O3 phase and α/β-Bi2O3 dual-phase decoration layers were designed, respectively, via in situ radio-frequency magnetron sputtering growth and post-annealing procedures in ambient air. The crystal structure, surface morphology, and photo-absorption performances of the pristine TiO2 rods decorated with various Bi2O3 phases were investigated. The crystal structure analysis reveals that the crystalline TiO2–Bi2O3 rods contained β-Bi2O3 and α/β-Bi2O3 crystallites were separately formed on the TiO2 rod templates with different synthesis approaches. The morphology analysis demonstrates that the β-Bi2O3 coverage layer on the crystalline rutile TiO2 rods showed flat layer morphology; however, the surface morphology of the α/β-Bi2O3 dual-phase coverage layer on the TiO2 rods exhibited a sheet-like feature. The results of photocatalytic decomposition towards methyl orange dyes show that the substantially improved photoactivity of the rutile TiO2 rods was achieved by decorating a thin sheet-like α/β-Bi2O3 coverage layer. The effectively photoinduced charge separation efficiency in the stepped energy band configuration in the composite rods made from the TiO2 and α/β-Bi2O3 explained their markedly improved photoactivity. The TiO2-α/β-Bi2O3 composite rods are promising for use as photocatalysts and photoelectrodes. Full article
(This article belongs to the Special Issue Hybrid Nanomaterials Synthesis and Application)
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9 pages, 2744 KiB  
Communication
How to Control the Distribution of Anchored, Mn12–Stearate, Single-Molecule Magnets
by Magdalena Laskowska, Oleksandr Pastukh, Dominika Kuźma and Łukasz Laskowski
Nanomaterials 2019, 9(12), 1730; https://doi.org/10.3390/nano9121730 - 4 Dec 2019
Cited by 11 | Viewed by 2477
Abstract
Controlling the distribution of the Mn12–stearate, single-molecule magnets (SMMs) anchored on a select surface is expected to be a new method for tuning its interactions, and an investigation on the magnetic properties of separated magnetic molecules is also lacking. The anchoring [...] Read more.
Controlling the distribution of the Mn12–stearate, single-molecule magnets (SMMs) anchored on a select surface is expected to be a new method for tuning its interactions, and an investigation on the magnetic properties of separated magnetic molecules is also lacking. The anchoring of the SMMs at the surface with an assumed statistic distance between each other is not an easy task; nevertheless, in this work, we show a synthesis which allows for this in detail. The immobilization of the Mn12–stearate was demonstrated with the use of FTO glasses and spherical silica as substrates. Based on differential pulse anodic stripping voltammetry (DPASV) and transmission electron microscopy (TEM) observations, we proved the efficiency of the method proposed. We observed continuous decreasing the number of bonds, and afterward, decreasing in the number of immobilized molecules with an increasing the number of spacer units used for separation of the magnetic particles. Full article
(This article belongs to the Special Issue Hybrid Nanomaterials Synthesis and Application)
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2 pages, 666 KiB  
Correction
Correction: Dulski et al. An Organic–Inorganic Hybrid Nanocomposite as a Potential New Biological Agent. Nanomaterials 2020, 10, 2551
by Mateusz Dulski, Katarzyna Malarz, Michał Kuczak, Karolina Dudek, Krzysztof Matus, Sławomir Sułowicz, Anna Mrozek-Wilczkiewicz and Anna Nowak
Nanomaterials 2024, 14(20), 1626; https://doi.org/10.3390/nano14201626 - 11 Oct 2024
Viewed by 364
Abstract
In the original publication [...] Full article
(This article belongs to the Special Issue Hybrid Nanomaterials Synthesis and Application)
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