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Editorial Board Members’ Collection Series in “Synthesis, Structure and Application...
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Editorial Board Members’ Collection Series in “Synthesis, Structure and Application of Functional Nanocomposites”

A topical collection in Nanomaterials (ISSN 2079-4991). This collection belongs to the section "Nanocomposite Materials".

Viewed by 5936

Editors

Prof. Dr. Alexander M. Seifalian

E-Mail Website
Guest Editor
Nanotechnology and Regenerative Medicine, The London BioScience Innovation Centre, London NW1 0NH, UK
Interests: graphene nanoparticle; human organs; 3D scaffold; 3D bioprinter; stem cells; nanocomposite materials
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Simon Clark

E-Mail Website
Guest Editor
School of Engineering, Macquarie University, Macquarie Park, Sydney, NSW 2113, Australia
Interests: materials sciences; nanomaterials; synchrotron radiation; concrete material technology; geoscience

Topical Collection Information

Dear Colleagues,

Nanocomposites are materials formed by the combination of nanoparticles or fibers and matrix materials. Compared to traditional materials, nanocomposites have interesting functions, and their properties exceed the current state of the art in many different technical fields.

This Special Issue deals with all aspects of nanocomposites, including their synthesis, characterization, and widespread range of applications, such as health (drug delivery and biosensors), electronics and optoelectronics (sensors/actuators, recording media, and MEMS/NEMS), environment, energy (supercapacitors, batteries, and fuel cells), automotive, and aerospace (ultra-hard coatings and radiation shields). The list of materials discussed in this Special Issue includes: polymer nanocomposites, protective nanocomposite coatings, graphene-based nanocomposites, metallic nanocomposites, etc. Original research articles as well as review papers are welcomed in this Special Issue of Nanomaterials.

We look forward to receiving your contributions.

Prof. Dr. Alexander M. Seifalian
Prof. Dr. Simon Clark
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 collection 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 2400 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

  • nanomaterials
  • nanofiber
  • coating
  • polymer
  • metallic nanocomposite
  • hydrogel
  • drug delivery
  • energy harvesting

Published Papers (5 papers)

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2025

Jump to: 2024

13 pages, 2885 KiB  
Review
The Existence and Stability Mechanism of Bulk Nanobubbles: A Review
by Changsheng Chen, Yawen Gao and Xianren Zhang
Nanomaterials 2025, 15(4), 314; https://doi.org/10.3390/nano15040314 - 18 Feb 2025
Viewed by 801
Abstract
Since they were shown to be a potential phenomenon through experimentation, bulk nanobubbles (BNBs) have been a long-standing controversy. The controversy mainly originates from the fact that their stability cannot be well explained by the established theories. Although nanobubbles have been applied in [...] Read more.
Since they were shown to be a potential phenomenon through experimentation, bulk nanobubbles (BNBs) have been a long-standing controversy. The controversy mainly originates from the fact that their stability cannot be well explained by the established theories. Although nanobubbles have been applied in many fields, the controversial stability issue has been a hanging “cloud” looming over the nanobubble research. This review focuses on why the stability of nanobubbles cannot be depicted by the current theories from thermodynamics and dynamics perspectives. Moreover, a number of current models pertaining to bulk nanobubble stability are compiled. It is anticipated that this review will give readers a better grasp of the current state of bulk nanobubble research and provide some insight for further studies in this area. Full article
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13 pages, 7468 KiB  
Article
Microstructure, Mechanical Properties at Room Temperature and High Temperature of Near-α Titanium Alloys Fabricated by Spark Plasma Sintering
by Qiang Wang, Zhaohui Zhang, Xiaotong Jia, Yangyu He, Jinzhao Zhou, Yuanhao Sun and Xingwang Cheng
Nanomaterials 2025, 15(4), 293; https://doi.org/10.3390/nano15040293 - 14 Feb 2025
Viewed by 606
Abstract
A near-α titanium alloy was fabricated using spark plasma sintering (SPS) to investigate the effects of sintering temperature on its relative density, microstructure, and mechanical properties. The relative density increased significantly with temperature, reaching 94.56%, 99.91%, and 99.99% at 850 °C, 900 °C, [...] Read more.
A near-α titanium alloy was fabricated using spark plasma sintering (SPS) to investigate the effects of sintering temperature on its relative density, microstructure, and mechanical properties. The relative density increased significantly with temperature, reaching 94.56%, 99.91%, and 99.99% at 850 °C, 900 °C, and 1000 °C, respectively. At 850 °C, the alloy contained numerous pores, leading to low density, while at 900 °C, full densification was achieved, resulting in a bimodal microstructure comprising 20% primary α phase (average size: 2.74 μm) and 80% transformed β phase (average lamellar width: 0.88 μm). Nanoscale equiaxed α phase (375 nm) and dispersed nanoscale β phase (80 nm) were observed within the lamellar structure. A distinct L-phase interfacial layer (50–100 nm) was identified at the α/β interfaces with a specific orientation relationship. At 1000 °C, the microstructure transformed into a fully lamellar structure with wider lamellae (1.99 μm), but mechanical properties declined due to coarsening. The alloy sintered at 900 °C exhibited the best properties, with a tensile strength of 989 ± 10 MPa at room temperature and 632 ± 10 MPa at 600 °C, along with elongations of 9.2 ± 0.5% and 13.0 ± 0.5%, respectively. These results highlight the importance of optimizing sintering temperature to balance densification and microstructural refinement for enhanced mechanical performance. Full article
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11 pages, 4225 KiB  
Article
Various Sizes and Shapes of Mixed-Anion Fe(NH2trz)3(BF4)2−x(SiF6)x/2@SiO2 Nanohybrid Particles Undergoing Spin Crossover Just Above Room Temperature
by Xinyu Yang, Rafal Bielas, Vincent Collière, Lionel Salmon and Azzedine Bousseksou
Nanomaterials 2025, 15(2), 90; https://doi.org/10.3390/nano15020090 - 9 Jan 2025
Viewed by 872
Abstract
Spin crossover (SCO) iron (II) coordination compounds in the form of nanohybrid SCO@SiO2 particles were prepared using a reverse micelles technique based on the TritonX-100/cyclohexane/water ternary system. Tetraethyl orthosilicate (TEOS) acts as precursor of both the SiF62− counter-anion and SiO [...] Read more.
Spin crossover (SCO) iron (II) coordination compounds in the form of nanohybrid SCO@SiO2 particles were prepared using a reverse micelles technique based on the TritonX-100/cyclohexane/water ternary system. Tetraethyl orthosilicate (TEOS) acts as precursor of both the SiF62− counter-anion and SiO2 to obtain Fe(NH2trz)3(BF4)2−x(SiF6)x/2@SiO2 nanoparticles with different sizes and morphologies while modifying the TEOS concentration and reaction time. The adjustable mixed-anion strategy leads to a range of quite scarce abrupt spin crossover behaviors with hysteresis just above room temperature (ca. 293 K), which is very promising for the integration of these materials into functional devices. Full article
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2024

Jump to: 2025

14 pages, 6874 KiB  
Article
Fabrication of Large-Area High-Resolution Templates by Focused Ion Beam Combined with Colloidal Nanoparticle Dimer Deposition for SERS Substrates
by Liga Ignatane, Reinis Ignatans, Juris Prikulis, Annamarija Trausa, Ciro Federico Tipaldi, Edgars Vanags, Martins Zubkins, Krisjanis Smits and Anatolijs Sarakovskis
Nanomaterials 2024, 14(22), 1784; https://doi.org/10.3390/nano14221784 - 6 Nov 2024
Cited by 1 | Viewed by 1069
Abstract
This article presents an examination of well-controlled patterns created using a Ga+-based focused ion beam (FIB) on glass, while silicon substrates were used to evaluate the FIB performance by its achievable feature size versus time constraints. The pattern creation on glass [...] Read more.
This article presents an examination of well-controlled patterns created using a Ga+-based focused ion beam (FIB) on glass, while silicon substrates were used to evaluate the FIB performance by its achievable feature size versus time constraints. The pattern creation on glass was developed with the aim of studying potential surface-enhanced Raman spectroscopy (SERS) applications. Furthermore, the FIB was used to create dimer systems of periodically and randomly positioned dumbbell-shaped pits on the glass (each dimer occupies an area of 203 × 87 nm2). By following the bitmap pattern files, the FIB ensured there was 3000 dimer fabrication over a 20 × 20 μm2 large area, with a pit size and position variation below 10 nm. The article highlights that FIB can be used for precise large-area nano-fabrication. The gold nanoparticle dimers were formed on the prepatterned surface via capillary force-assisted deposition. The fabricated nanostructures were tested in SERS measurements. The enhancement factor for Rhodamine B molecule reached ~105, demonstrating the potential application of the method to create nanostructures in the sensor domain. Full article
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13 pages, 3277 KiB  
Article
Hierarchical Interfacial Construction by Grafting Cellulose Nanocrystals onto Carbon Fiber for Improving the Mechanical Performance of Epoxy Composites
by Yanjiao Ma, Wei Zhao, Jun Xiong, Wei Zhang, Mingfeng Dai, Yifan Guo, Ying Li, Ling Long and Zuowan Zhou
Nanomaterials 2024, 14(18), 1537; https://doi.org/10.3390/nano14181537 - 22 Sep 2024
Cited by 1 | Viewed by 1588
Abstract
Carbon fiber-reinforced composites have been widely used in the aerospace industry because of their superior comprehensive performance, including high strength, low density, fatigue resistance, long service life, etc. The interface between the fiber reinforcement and the matrix is one of the key factors [...] Read more.
Carbon fiber-reinforced composites have been widely used in the aerospace industry because of their superior comprehensive performance, including high strength, low density, fatigue resistance, long service life, etc. The interface between the fiber reinforcement and the matrix is one of the key factors that determines the performance of the composites. The construction of covalent bonding connections between the components has proven to be an effective strategy for improving the interfacial bonding strength but always reduces the toughness. In this work, dual silane coupling agents are applied to covalently connect cellulose nanocrystals (CNCs) onto carbon fibers, constructing hierarchical interfacial connections between the fibers and the epoxy matrix and significantly improving the interfacial bonding strength. As a result, the tensile strength of the epoxy composites increased from 519 MPa to nearly 900 MPa, which provides a potential approach for significantly improving the mechanical performance of composites. Full article
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