Advances in Electrofunctional Nanomaterials for Actuation, Sensing, Smart Textiles and Energy Conversion

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: closed (30 December 2021) | Viewed by 8211

Special Issue Editor


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Guest Editor
School of Mechanical and Manufacturing Engineering, University of New South Wales, Sydney, NSW 2052, Australia
Interests: wearable technology; smart textiles; electromaterials; sensors; actuators; biomedical device; smart drug delivery; energy materials; carbon nanotubes; graphene; conducting polymers
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Special Issue Information

Dear Colleague,

The demands for new configurations of electrofunctional nanomaterials continue to grow, and novel approaches are being enabled by the advent of new electromaterials and novel fabrication strategies.

The combination of electrofunctional materials and textiles has led to the development of new capabilities in fabrics with the potential to change how athletes, patients, soldiers, first responders, and everyday consumers interact with their clothes and other garment products. The current generation of wearable electronics is typically standalone devices that are separately worn or in some cases attached to the garment. The advent of new nanomaterials strategies is poised to create a significant opportunity for seamlessly embedding wearable electronics into the fabric. Therefore, new wearable technologies are expected to have a transformative impact on opportunities related to electronic textile, energy storage, energy generation, sensing, actuation, and health monitoring applications.

The motivation behind this Special Issue is the observed growing interest in the design, fabrication, and application of electrofunctional nanomaterials for actuation, sensing, smart textiles and energy conversion in many fields. Energy harvesting/storage, actuators, force/pressure measurement, porosity or color variation, and sensors (movement, temperature, and chemicals) are some of these functionalities.

Considering your prominent contribution in this interesting research field, I would like to cordially invite you to submit a paper to this Special Issue through the webpage of the journal (“Advances in Electrofunctional Nanomaterials for Actuation, Sensing, Smart Textiles, and Energy Conversion”). The manuscript should be submitted online before 30 December 2021. The submitted manuscripts will then be fast track reviewed. I would very much appreciate it if you could let me know of your interest in the paper contribution at your earliest convenience. Research articles, review articles, perspectives, as well as communications and letters are also invited.

Prof. Dr. Javad Foroughi
Guest Editor

Manuscript Submission Information

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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

  • nanomaterials
  • conducting polymers
  • graphene
  • carbon nanotubes
  • wearable sensors
  • wearable electronics
  • energy conversion
  • smart textiles
  • actuators
  • wearable biomedical devices
  • textiles antenna
  • health monitoring

Published Papers (2 papers)

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Research

21 pages, 5765 KiB  
Article
Reuse of Textile Waste to Production of the Fibrous Antibacterial Membrane with Filtration Potential
by Alena Opálková Šišková, Pavel Pleva, Jakub Hrůza, Jaroslava Frajová, Jana Sedlaříková, Petra Peer, Angela Kleinová and Magda Janalíková
Nanomaterials 2022, 12(1), 50; https://doi.org/10.3390/nano12010050 - 24 Dec 2021
Cited by 10 | Viewed by 3512
Abstract
Wasted synthetic fabrics are a type of textile waste source; the reuse of them brings environmental protection and turns waste into a valuable material. In this work, the used nylon (polyamide) stockings were transmuted into a fine fibrous membrane via an electrospinning process. [...] Read more.
Wasted synthetic fabrics are a type of textile waste source; the reuse of them brings environmental protection and turns waste into a valuable material. In this work, the used nylon (polyamide) stockings were transmuted into a fine fibrous membrane via an electrospinning process. In addition, the safety antibacterial agent, monoacylglycerol (MAG), was incorporated into a recycled fibrous membrane. The results revealed that the neat, recycled polyamide (rPA) fibers with a hydrophobic surface could be converted into hydrophilic fibers by blending various amounts of MAG with rPA solution prior to electrospinning. The filtration efficiency and air/water vapor permeability of the two types of produced membranes, neat rPA, and rPA/MAG, were tested. Their filtration efficiency (E100) was more than 92% and 96%, respectively. The membranes were classified according to Standard EN1822, and therefore, the membranes rPA and rPA/MAG were assigned to the classes E10 and E11, respectively. The air permeability was not affected by the addition of MAG, and water vapor permeability was slightly enhanced. Based on the obtained data, prepared rPA/MAG fibrous membranes can be evaluated as antifouling against both tested bacterial strains and antimicrobial against S. aureus. Full article
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15 pages, 4101 KiB  
Article
Dynamic Mechanical and Creep Behaviour of Meltspun PVDF Nanocomposite Fibers
by Fatemeh Mokhtari, Geoffrey M. Spinks, Sepidar Sayyar and Javad Foroughi
Nanomaterials 2021, 11(8), 2153; https://doi.org/10.3390/nano11082153 - 23 Aug 2021
Cited by 12 | Viewed by 4011
Abstract
Piezoelectric fibers have an important role in wearable technology as energy generators and sensors. A series of hybrid nanocomposite piezoelectric fibers of polyinylidene fluoride (PVDF) loaded with barium–titanium oxide (BT) and reduced graphene oxide (rGO) were prepared via the melt spinning method. Our [...] Read more.
Piezoelectric fibers have an important role in wearable technology as energy generators and sensors. A series of hybrid nanocomposite piezoelectric fibers of polyinylidene fluoride (PVDF) loaded with barium–titanium oxide (BT) and reduced graphene oxide (rGO) were prepared via the melt spinning method. Our previous studies show that high-performance fibers with 84% of the electroactive β-phase in the PVDF generated a peak output voltage up to 1.3 V and a power density of 3 W kg−1. Herein, the dynamic mechanical and creep behavior of these fibers were investigated to evaluate their durability and piezoelectric performance. Dynamic mechanical analysis (DMA) was used to provide phenomenological information regarding the viscoelastic properties of the fibers in the longitudinal direction. DSC and SEM were employed to characterize the crystalline structure of the samples. The storage modulus and the loss tangent increased by increasing the frequency over the temperature range (−50 to 150 °C) for all of the fibers. The storage modulus of the PVDF/rGO nanocomposite fibers had a higher value (7.5 GPa) in comparison with other fibers. The creep and creep recovery behavior of the PVDF/nanofillers in the nanocomposite fibers have been explored in the linear viscoelastic region at three different temperatures (10–130 °C). In the PVDF/rGO nanocomposite fibers, strong sheet/matrix interfacial interaction restricted the mobility of the polymer chains, which led to a higher modulus at temperatures 60 and 130 °C. Full article
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