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Nanomaterials
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Structure and Properties of Functional Nanomaterials
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Structure and Properties of Functional Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 11693

Special Issue Editor

Dr. Adelina Ilie

E-Mail Website
Guest Editor
University of Bath, Bath, United Kingdom
Interests: graphene and other inorganic 2D materials; 2D molecular materials; nanomaterials for new information technologies; scanning probe microscopy; biosensing and glucose monitoring.
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Functional nanomaterials, as a field, encompass a wide range of nanomaterial classes designed to perform specific functions. There are many global challenges today, such as finding green and renewable energy sources, environmental protection, climate change, health and personalized nanomedicine and monitoring, and the need for new information and quantum technologies, to name just a few. All of these challenges call for the development of new functional nanomaterials. This extraordinary diversity of purpose is also reflected in the cross-fertilization and synergy of different disciplines—such as chemistry, physics, materials science, biology and biochemistry, engineering, or medicine—that enable their development. Another of their hallmarks is the imprint of the “nano” dimensionality (0D, 1D or 2D, or a combination thereof) on their physicochemical properties and ultimate functionality. In this respect, the expansion of nanoscience and nanotechnology has been instrumental in the development of approaches and methodologies necessary for their prediction, synthesis, characterization, and integration within functional devices and systems.

For this Special Issue of Nanomaterials dedicated to “Structure and Properties of Functional Nanomaterials” we invite contributions from the broad community of scientists developing functional nanomaterials and systems based on nanoparticles and quantum dots, nanowires and nanotubes, carbon nanostructures, graphene and other 2D materials (layers and nanosheets), macromolecules and self-assembled organic nanomaterials, and bio-nanomaterials and their supramolecular assemblies, as well as hybrid combinations and interfaces (including inorganic-organic or inorganic-bio) of the above. There should be a clear delineation of the targeted functionality at the outset, while the specific focus of the studies will be on understanding the interplay between design principle, structure, property, and desired function. Examples of domain applications cover but are not limited to nano-sensing, energy harvesting, conversion and storage, nanoelectronics and bio-molecular electronics, nanomagnetism and spintronics, quantum technologies, nanophotonics and plasmonics, nano-biotechnology, catalysis, or nanomedicine.

Dr. Adelina Ilie
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

  • Sensing
  • Energy materials
  • Information technologies
  • Photonic and optical materials
  • Catalysis
  • Nano-biotechnology and nanomedicine

Published Papers (4 papers)

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Research

13 pages, 26497 KiB  
Article
Interaction of Reactive Gases with Platinum Aerosol Particles at Room Temperature: Effects on Morphology and Surface Properties
by Vinzent Olszok, Malte Bierwirth and Alfred P. Weber
Nanomaterials 2021, 11(9), 2266; https://doi.org/10.3390/nano11092266 - 31 Aug 2021
Cited by 6 | Viewed by 2013
Abstract
Nanoparticles produced in technical aerosol processes exhibit often dendritic structures, composed of primary particles. Surprisingly, a small but consistent discrepancy was observed between the results of common aggregation models and in situ measurements of structural parameters, such as fractal dimension or mass-mobility exponent. [...] Read more.
Nanoparticles produced in technical aerosol processes exhibit often dendritic structures, composed of primary particles. Surprisingly, a small but consistent discrepancy was observed between the results of common aggregation models and in situ measurements of structural parameters, such as fractal dimension or mass-mobility exponent. A phenomenon which has received little attention so far is the interaction of agglomerates with admixed gases, which might be responsible for this discrepancy. In this work, we present an analytical series, which underlines the agglomerate morphology depending on the reducing or oxidizing nature of a carrier gas for platinum particles. When hydrogen is added to openly structured particles, as investigated by tandem differential mobility analysis (DMA) and transmission electron microscopy (TEM) analysis, Pt particles compact already at room temperature, resulting in an increased fractal dimension. Aerosol Photoemission Spectroscopy (APES) was also able to demonstrate the interaction of a gas with a nanoscaled platinum surface, resulting in a changed sintering behavior for reducing and oxidizing atmospheres in comparison to nitrogen. The main message of this work is about the structural change of particles exposed to a new environment after complete particle formation. We suspect significant implications for the interpretation of agglomerate formation, as many aerosol processes involve reactive gases or slightly contaminated gases in terms of trace amounts of unintended species. Full article
(This article belongs to the Special Issue Structure and Properties of Functional Nanomaterials)
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20 pages, 4141 KiB  
Article
Oxido- and Dioxido-Vanadium(V) Complexes Supported on Carbon Materials: Reusable Catalysts for the Oxidation of Cyclohexane
by Manas Sutradhar, Marta A. Andrade, Sónia A. C. Carabineiro, Luísa M. D. R. S. Martins, Maria de Fátima C. Guedes da Silva and Armando J. L. Pombeiro
Nanomaterials 2021, 11(6), 1456; https://doi.org/10.3390/nano11061456 - 31 May 2021
Cited by 9 | Viewed by 3026
Abstract
Oxidovanadium(V) and dioxidovanadium(V) compounds, [VO(OEt)L] (1) and [Et3NH][VO2L] (2), were synthesized using an aroylhydrazone Schiff base (5-bromo-2-hydroxybenzylidene)-2-hydroxybenzohydrazide (H2L). They were characterized by elemental analysis, Fourier-transform infrared spectroscopy (FT-IR), (1H and 51 [...] Read more.
Oxidovanadium(V) and dioxidovanadium(V) compounds, [VO(OEt)L] (1) and [Et3NH][VO2L] (2), were synthesized using an aroylhydrazone Schiff base (5-bromo-2-hydroxybenzylidene)-2-hydroxybenzohydrazide (H2L). They were characterized by elemental analysis, Fourier-transform infrared spectroscopy (FT-IR), (1H and 51V) nuclear magnetic resonance (NMR), electrospray ionization mass spectrometry (ESI-MS) and single crystal X-ray diffraction analyses. Both complexes were immobilized on functionalized carbon nanotubes and activated carbon. The catalytic performances of 1 and 2, homogenous and anchored on the supports, were evaluated for the first time towards the MW-assisted peroxidative oxidation (with tert-butylhydroperoxide, TBHP) of cyclohexane under heterogeneous conditions. The immobilization of 1 and 2 on functionalized carbon materials improved the efficiency of catalytic oxidation and allowed the catalyst recyclability with a well-preserved catalytic activity. Full article
(This article belongs to the Special Issue Structure and Properties of Functional Nanomaterials)
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16 pages, 2903 KiB  
Article
Magnetic Nanoparticle-Based Dianthin Targeting for Controlled Drug Release Using the Endosomal Escape Enhancer SO1861
by Ajmal Zarinwall, Mazdak Asadian-Birjand, Didem Ag Seleci, Viktor Maurer, Alexandra Trautner, Georg Garnweitner and Hendrik Fuchs
Nanomaterials 2021, 11(4), 1057; https://doi.org/10.3390/nano11041057 - 20 Apr 2021
Cited by 8 | Viewed by 2940
Abstract
Targeted tumor therapy can provide the basis for the inhibition of tumor growth. However, a number of toxin-based therapeutics lack efficacy because of insufficient endosomal escape after being internalized by endocytosis. To address this problem, the potential of glycosylated triterpenoids, such as SO1861, [...] Read more.
Targeted tumor therapy can provide the basis for the inhibition of tumor growth. However, a number of toxin-based therapeutics lack efficacy because of insufficient endosomal escape after being internalized by endocytosis. To address this problem, the potential of glycosylated triterpenoids, such as SO1861, as endosomal escape enhancers (EEE) for superparamagnetic iron oxide nanoparticle (SPION)-based toxin therapy was investigated. Herein, two different SPION-based particle systems were synthesized, each selectively functionalized with either the targeted toxin, dianthin-epidermal growth factor (DiaEGF), or the EEE, SO1861. After applying both particle systems in vitro, an almost 2000-fold enhancement in tumor cell cytotoxicity compared to the monotherapy with SPION-DiaEGF and a 6.7-fold gain in specificity was observed. Thus, the required dose of the formulation was appreciably reduced, and the therapeutic window widened. Full article
(This article belongs to the Special Issue Structure and Properties of Functional Nanomaterials)
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Graphical abstract

9 pages, 1463 KiB  
Article
Co-Doped NdFeO3 Nanoparticles: Synthesis, Optical, and Magnetic Properties Study
by Tien Anh Nguyen, Thanh Le Pham, Irina Yakovlevna Mittova, Valentina Olegovna Mittova, Truc Linh Thi Nguyen, Hung Van Nguyen and Vuong Xuan Bui
Nanomaterials 2021, 11(4), 937; https://doi.org/10.3390/nano11040937 - 06 Apr 2021
Cited by 18 | Viewed by 3035
Abstract
In this work, single-phase nanostructured NdFe1−xCoxO3 (x = 0, 0.1, 0.2, and 0.3) perovskite materials were obtained by annealing stoichiochemistry mixtures of their component hydroxides at 750 °C for 60 min. The partial substitution of Fe [...] Read more.
In this work, single-phase nanostructured NdFe1−xCoxO3 (x = 0, 0.1, 0.2, and 0.3) perovskite materials were obtained by annealing stoichiochemistry mixtures of their component hydroxides at 750 °C for 60 min. The partial substitution of Fe by Co in the NdFeO3 crystal lattice leads to significant changes in the structural characteristics, and as a consequence, also alters both the magnetic and optical properties of the resulting perovskites. The low optical band gap (Eg = 2.06 ÷ 1.46 eV) and high coercivity (Hc = 136.76 ÷ 416.06 Oe) give Co-doped NdFeO3 nanoparticles a huge advantage for application in both photocatalysis and hard magnetic devices. Full article
(This article belongs to the Special Issue Structure and Properties of Functional Nanomaterials)
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