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Nanomaterials
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Flexible Nanocomposite Films: Synthesis and Applications
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Flexible Nanocomposite Films: Synthesis and Applications

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

Deadline for manuscript submissions: 20 May 2024 | Viewed by 4736

Special Issue Editors

Prof. Dr. Xianze Yin

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
Interests: polymer rheology; solvent-free nanofluids; biopolysaccharide polymers; nanocomposites
Dr. Long Zheng

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430200, China
Interests: polymer composites; rubber composites; functional elastomer fiber; barrier properties; graphene

Special Issue Information

Dear Colleagues,

Nanocomposite films with high flexibility and other outstanding properties demonstrate great potential in a wide range of applications, such as sensors, capacitors, solar cells, electromagnetic shields, thermal interface materials, actuators, and medical electrodes, etc. However, developing such nanocomposite films still faces great challenges in terms of repeatability and reliability, as well as the balance between flexibility and multifunctionality. Therefore, there is great interest in the development of novel strategies for design and synthesis of flexible nanocomposite films with multi-functional properties which can expand their applications in various fields.

This Special Issue of Nanomaterials will present the current state-of-the-art in the synthesis and applications of flexible nanocomposite films. Full research papers, communications, and reviews are all welcome.

Prof. Dr. Xianze Yin
Dr. Long Zheng
Guest Editors

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

  • flexible nanocomposite films
  • synthesis
  • application
  • nanostructures
  • electronic devices

Published Papers (3 papers)

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Research

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10 pages, 6086 KiB  
Article
Fabrication and Microwave Absorption Properties of Core-Shell Structure Nanocomposite Based on Modified Anthracite Coal
by Xiaomei Zhang, Baitong Zhou, Xiang Li, Runhua Chen, Chen Ma, Wenhua Chen and Guohua Chen
Nanomaterials 2023, 13(12), 1836; https://doi.org/10.3390/nano13121836 - 10 Jun 2023
Viewed by 897
Abstract
Microwave-absorbing materials have attracted extensive attention due to the development of electronic countermeasures. In this study, novel nanocomposites with core–shell structures based on the core of Fe-Co nanocrystals and the shell of furan methylamine (FMA)-modified anthracite coal (Coal-F) were designed and fabricated. The [...] Read more.
Microwave-absorbing materials have attracted extensive attention due to the development of electronic countermeasures. In this study, novel nanocomposites with core–shell structures based on the core of Fe-Co nanocrystals and the shell of furan methylamine (FMA)-modified anthracite coal (Coal-F) were designed and fabricated. The Diels-Alder (D-A) reaction of Coal-F with FMA creates a large amount of aromatic lamellar structure. After the high-temperature treatment, the modified anthracite with a high degree of graphitization showed an excellent dielectric loss, and the addition of Fe and Co effectively enhanced the magnetic loss of the obtained nanocomposites. In addition, the obtained micro-morphologies proved the core–shell structure, which plays a significant role in strengthening the interface polarization. As a result, the combined effect of the multiple loss mechanism promoted a remarkable improvement in the absorption of incident electromagnetic waves. The carbonization temperatures were specifically studied through a setting control experiment, and 1200 °C was proved to be the optimum parameter to obtain the best dielectric loss and magnetic loss of the sample. The detecting results show that the 10 wt.% CFC-1200/paraffin wax sample with a thickness of 5 mm achieves a minimum reflection loss of −41.6 dB at a frequency of 6.25 GHz, indicating an excellent microwave absorption performance. Full article
(This article belongs to the Special Issue Flexible Nanocomposite Films: Synthesis and Applications)
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15 pages, 3829 KiB  
Article
High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation
by Peiyan Ye, Qinghua Guo, Zhiming Zhang and Qiao Xu
Nanomaterials 2023, 13(7), 1277; https://doi.org/10.3390/nano13071277 - 04 Apr 2023
Cited by 4 | Viewed by 1409
Abstract
Composite nanofibers with excellent physical and chemical properties are widely used in new energy, biomedical, environmental, electronic, and other fields. Their preparation methods have been investigated extensively by many experts. High-speed centrifugal spinning is a novel method used to fabricate composite nanofibers. The [...] Read more.
Composite nanofibers with excellent physical and chemical properties are widely used in new energy, biomedical, environmental, electronic, and other fields. Their preparation methods have been investigated extensively by many experts. High-speed centrifugal spinning is a novel method used to fabricate composite nanofibers. The slip mechanism of polymer solution flows is an important factor affecting the morphology and quality of composite nanofibers prepared by high-speed centrifugal spinning. As the polymer solution flows, the liquid wall slip occurs inside the nozzle, followed by liquid–liquid interface slip and gas–liquid interface slip. The factors affecting polymer slip were investigated by developing a mathematical model in the nozzle. This suggests that the magnitude of the velocity is an important factor that affects polymer slip and determines fiber quality and morphology. Under the same rotational speed, the smaller the nozzle diameter, the greater the concentration of velocity distribution and the smaller the diameter of the produced composite nanofibers. Finally, PEO/PVA composite nanofibers were prepared using high-speed centrifugal spinning equipment at 900–5000 rpm and nozzle diameters of 0.2 mm, 0.4 mm, 0.6 mm, and 0.8 mm. The morphology and quality of the collected PEO/PVA composite nanofibers were analyzed using scanning electron microscopy (SEM) and TG experiments. Then, the optimal parameters for the preparation of PEO/PVA composite nanofibers by high-speed centrifugal spinning were obtained by combining the external environmental factors in the preparation process. Theoretical evaluation and experimental data were provided for the centrifugal composite spinning slip mechanism and for the preparation of composite nanofibers. Full article
(This article belongs to the Special Issue Flexible Nanocomposite Films: Synthesis and Applications)
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Review

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28 pages, 6754 KiB  
Review
Fabrication, Performance, and Potential Applications of MXene Composite Aerogels
by Zhicheng Chen, Xinming Fu, Rui Liu, Yiheng Song and Xianze Yin
Nanomaterials 2023, 13(14), 2048; https://doi.org/10.3390/nano13142048 - 11 Jul 2023
Cited by 7 | Viewed by 2037
Abstract
Aerogel, known as one of the remarkable materials in the 21st century, possesses exceptional characteristics such as high specific surface area, porosity, and elasticity, making it suitable for a diverse range of applications. In recent years, MXene-based aerogels and MXene composite aerogels as [...] Read more.
Aerogel, known as one of the remarkable materials in the 21st century, possesses exceptional characteristics such as high specific surface area, porosity, and elasticity, making it suitable for a diverse range of applications. In recent years, MXene-based aerogels and MXene composite aerogels as functional materials have solved some limitations of traditional aerogels, such as improving the electrical conductivity of biomass and silicon aerogels, further improving the energy storage capacity of carbon aerogels, enhancing polymer-based aerogels, etc. Consequently, extensive research efforts have been dedicated to investigating MXene-based aerogels, positioning them at the forefront of material science studies. This paper provides a comprehensive review of recent advancements in the preparation, properties, and applications of MXene-based composite aerogels. The primary construction strategies employed (including direct synthesis from MXene dispersions and incorporation of MXene within existing substrates) for fabricating MXene-based aerogels are summarized. Furthermore, the desirable properties (including their applications in electrochemistry, electromagnetic shielding, sensing, and adsorption) of MXene composite aerogels are highlighted. This paper delves into a detailed discussion on the fundamental properties of composite aerogel systems, elucidating the intricate structure–property relationships. Finally, an outlook is provided on the opportunities and challenges for the mass production and functional applications of MXene composite aerogels in the field of material engineering. Full article
(This article belongs to the Special Issue Flexible Nanocomposite Films: Synthesis and Applications)
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