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Morphology, Properties and Application of Flake Graphene-Based Composite Materials

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

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 5004

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Special Issue Editor

Dr. Adrian Chlanda

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Guest Editor

Department of Chemical Synthesis and Flake Graphene, Łukasiewicz Research Network, Institute of Microelectronics and Photonics, Aleja Lotników 32/46, 02-668 Warsaw, Poland
Interests: flake graphene; biomaterials; atomic force microscopy; regenerative medicine; surface-related phenomena

Special Issue Information

Dear Colleagues,

Flake graphene and its derivatives are some of the most fascinating materials in modern science. They can be implemented in materials or used as an external layer, creating novel composite materials characterized by superior mechanical or surface-related properties. In addition, flake graphene can be embroidered with other materials due to the presence of manifold functional groups on its surface. These possibilities enable the fabrication of composite materials with strictly designed properties and functions. Such composites have many applications in areas including tissue engineering and regenerative medicine as drug carriers, energy storage materials, sensors, barrier coatings, anticorrosive coatings, materials to reduce friction wear, and materials with enhanced mechanical performance, etc.

This Special Issue, “Morphology, Properties and Application of Flake Graphene-based Composite Materials,” focuses on the development and characterization of novel composite materials and the publication of research papers, short communications, and review papers advancing knowledge on the properties and applications of such composites.

This Special Issue aims to create an interdisciplinary, international forum for researchers for sharing their experience and latest findings in the field of flake graphene and composite materials.

Dr. Adrian Chlanda
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

flake graphene
composites
nanomaterials
biomaterials
polymers
fibers
surface
mechanical properties

Published Papers (3 papers)

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Research

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16 pages, 8439 KiB

Open AccessArticle

Study on the Preparation and Optical Properties of Graphene Oxide@Fe₃O₄ Two-Dimensional Magnetically Oriented Nanocomposites

by Song Yin, Tiantian Zhang, Yinfeng Yu, Xiaotong Bu, Zepeng Zhang, Junming Geng, Xueling Dong and Haibing Jiang

Materials 2023, 16(2), 476; https://doi.org/10.3390/ma16020476 - 4 Jan 2023

Cited by 3 | Viewed by 1575

Abstract

In this work, graphene oxide@Fe₃O₄ (GO@Fe₃O₄) two-dimensional magnetically oriented nanocomposites were prepared through the co-precipitation approach using graphene oxide as the carrier and FeCl₃·6H₂O and FeSO₄·7H₂O as iron sources. The samples were characterized and tested by X-ray diffraction, a transmission electron microscope, Fourier-transform infrared spectroscopy, a vibrating-specimen magnetometer, a polarized optical microscope, an optical microscope, etc. The effects of material ratios and reaction conditions on the coating effects of Fe₃O₄ on the GO surface were investigated. The stable GO@Fe₃O₄ sol system was studied and constructed, and the optical properties of the GO@Fe₃O₄ sol were revealed. The results demonstrated the GO@Fe₃O₄ two-dimensional nanocomposites uniformly coated with Fe₃O₄ nanoparticles were successfully prepared. The GO@Fe₃O₄ two-dimensional nanocomposites exhibited superparamagnetic properties at room temperature, whose coercive force was 0. The stable GO@Fe₃O₄ sol system could be obtained by maintaining 1 < pH < 1.5. The GO@Fe₃O₄ sol showed magneto-orientation properties, liquid crystalline properties, and photonic crystal properties under the influence of the external magnetic field. The strength and direction of the magnetic field and the solid content of the GO@ Fe₃O₄ sol could regulate the aforementioned properties. The results suggest that GO@Fe₃O₄ two-dimensional magnetically oriented nanocomposites have potential applications in photonic switches, gas barriers, and display devices. Full article

(This article belongs to the Special Issue Morphology, Properties and Application of Flake Graphene-Based Composite Materials)

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19 pages, 5951 KiB

Open AccessArticle

Influence of Graphene Sheets on Compaction and Sintering Properties of Nano-Zirconia Ceramics

by Elena A. Trusova, Dmitrii D. Titov, Asya M. Afzal and Sergey S. Abramchuk

Materials 2022, 15(20), 7342; https://doi.org/10.3390/ma15207342 - 20 Oct 2022

Cited by 1 | Viewed by 1406

Abstract

The use of a nanostructured graphene-zirconia composite will allow the development of new materials with improved performance properties and a high functionality. This work covers a stepwise study related to the creation of a nanostructured composite based on ZrO₂ and graphene. A composite was prepared using two suspensions: nano-zirconia obtained by sol-gel synthesis and oxygen-free graphene obtained sonochemically. The morphology of oxygen-free graphene sheets, phase composition and the morphology of a zirconia powder, and the morphology of the synthesized composite were studied. The effect of the graphene sheets on the rheological and sintering properties of a nanostructured zirconia-based composite powder has been studied. It has been found that graphene sheets in a hybrid nanostructure make it difficult to press at the elastic deformation stage, and the composite passes into the plastic region at a lower pressure than a single nano-zirconia. A sintering mechanism was proposed for a composite with a graphene content of 0.635 wt%, in which graphene is an important factor affecting the process mechanism. It has been determined that the activation energy of the composite sintering is more than two times higher than for a single nano-zirconia. Apparently, due to the van der Waals interaction, the graphene sheets partially stabilize the zirconia and prevent the disordering of the surface monolayers of its nanocrystals and premelting prior to the sintering. This leads to an increase in the activation energy of the composite sintering, and its sintering occurs, according to a mixed mechanism, in which the grain boundary diffusion predominates, in contrast to the single nano-zirconia sintering, which occurs through a viscous flow. Full article

(This article belongs to the Special Issue Morphology, Properties and Application of Flake Graphene-Based Composite Materials)

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Review

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24 pages, 4373 KiB

Open AccessReview

Flake Graphene as an Efficient Agent Governing Cellular Fate and Antimicrobial Properties of Fibrous Tissue Engineering Scaffolds—A Review

by Aleksandra Izabela Banasiak, Adrian Racki, Marcin Małek and Adrian Chlanda

Materials 2022, 15(15), 5306; https://doi.org/10.3390/ma15155306 - 2 Aug 2022

Cited by 3 | Viewed by 1676

Abstract

Although there are several methods for fabricating nanofibrous scaffolds for biomedical applications, electrospinning is probably the most versatile and feasible process. Electrospinning enables the preparation of reproducible, homogeneous fibers from many types of polymers. In addition, implementation of this technique gives the possibility to fabricated polymer-based composite mats embroidered with manifold materials, such as graphene. Flake graphene and its derivatives represent an extremely promising material for imparting new, biomedically relevant properties, functions, and applications. Graphene oxide (GO) and reduced graphene oxide (rGO), among many extraordinary properties, confer antimicrobial properties of the resulting material. Moreover, graphene oxide and reduced graphene oxide promote the desired cellular response. Tissue engineering and regenerative medicine enable advanced treatments to regenerate damaged tissues and organs. This review provides a reliable summary of the recent scientific literature on the fabrication of nanofibers and their further modification with GO/rGO flakes for biomedical applications. Full article

(This article belongs to the Special Issue Morphology, Properties and Application of Flake Graphene-Based Composite Materials)

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