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Functional Nanomaterials: Structures, Compositions and Various Applications
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Functional Nanomaterials: Structures, Compositions and Various Applications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Nanoscience".

Deadline for manuscript submissions: 20 May 2025 | Viewed by 5936

Special Issue Editor

Dr. Magdalena Laskowska

E-Mail Website
Guest Editor
Institute of Nuclear Physics Polish Academy of Sciences, PL-31342 Krakow, Poland
Interests: molecular magnetsm; single-molecule magnets; nonophotonics; mesoporous silica; nanostructured systems; nanoelectronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to provide a comprehensive overview of the emerging trends in nanomaterials and their applications in various fields. The rapid advancements in materials science have opened up new possibilities for developing various applications. This Special Issue will bring together cutting-edge research and innovative contributions that explore the latest trends in materials science on a nano-scale level, as well as the physical-chemical mechanisms for controlling the behaviors.

We invite researchers and scientists to submit original research articles, reviews, and perspective papers covering various topics related to functional materials on the nano-level. Topics of interest include, but are not limited to:

  1. Different types of materials designs, compositions, and functionalizations on the nano-level, e.g., carbon-based nanomaterials, metallic compounds, and metal oxides;
  2. Discoveries of various materials involving molecular magnetism and spin-wave propagation to promote electronic functions, for example, molecular magnetics, magnonic crystals, or functional nanocomposites;
  3. Advances in the theories in the field of electron transport led to electroconductive characters improvements, e.g., diffusion current, ballistic transport, and quantum jumps;
  4. Interactions between the nanomaterials compositions and molecules in electrochemistry, chemical reactions, and biomedical applications.

We look forward to receiving your valuable contributions to this Special Issue, which will contribute to advancing the field of nanomaterials performance and promoting their practical applications.

Dr. Magdalena Laskowska
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • functional materials
  • nanomaterials
  • nanostructures
  • nanoelectronics
  • molecular electronics
  • nanosensors
  • nanodevices
  • 2D materials
  • molecular magnetism

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Published Papers (5 papers)

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Research

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15 pages, 1489 KiB  
Article
Nanomaterial Texture-Based Machine Learning of Ciprofloxacin Adsorption on Nanoporous Carbon
by Maike Käärik, Nadežda Krjukova, Uko Maran, Mare Oja, Geven Piir and Jaan Leis
Int. J. Mol. Sci. 2024, 25(21), 11696; https://doi.org/10.3390/ijms252111696 - 30 Oct 2024
Viewed by 574
Abstract
Drug substances in water bodies and groundwater have become a significant threat to the surrounding environment. This study focuses on the ability of the nanoporous carbon materials to remove ciprofloxacin from aqueous solutions under specific experimental conditions and on the development of the [...] Read more.
Drug substances in water bodies and groundwater have become a significant threat to the surrounding environment. This study focuses on the ability of the nanoporous carbon materials to remove ciprofloxacin from aqueous solutions under specific experimental conditions and on the development of the mathematical model that would allow describing the molecular interactions of the adsorption process and calculating the adsorption capacity of the material. Thus, based on the adsorption measurements of the 87 carbon materials, it was found that, depending on the porosity and pore size distribution, adsorption capacity values varied between 55 and 495 mg g−1. For a more detailed analysis of the effects of different carbon textures and pores characteristics, a Quantitative nano-Structure–Property Relationship (QnSPR) was developed to describe and predict the ability of a nanoporous carbon material to remove ciprofloxacin from aqueous solutions. The adsorption capacity of potential nanoporous carbon-based adsorbents for the removal of ciprofloxacin was shown to be sufficiently accurately described by a three-parameter multi-linear QnSPR equation (R2 = 0.70). This description was achieved only with parameters describing the texture of the carbon material such as specific surface area (Sdft) and pore size fractions of 1.1–1.2 nm (VN21.1–1.2) and 3.3–3.4 nm (VN23.3−3.4) for pores. Full article
(This article belongs to the Special Issue Functional Nanomaterials: Structures, Compositions and Various Applications)
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10 pages, 2925 KiB  
Article
Bio-Inspired Thermal Conductive Fibers by Boron Nitride Nanosheet/Boron Nitride Hybrid
by Jiajing Zhang, Pingyuan Zhang, Chunhua Zhang, Jiahao Xu, Leyan Zhang and Liangjun Xia
Int. J. Mol. Sci. 2024, 25(20), 11156; https://doi.org/10.3390/ijms252011156 - 17 Oct 2024
Viewed by 717
Abstract
With the innovation of modern electronics, heat dissipation in the devices faces several problems. In our work, boron nitride (BN) with good thermal conductivity (TC) was successfully fabricated by constructing the BN along the axial direction and the surface-grafted BN hybrid composite fibers [...] Read more.
With the innovation of modern electronics, heat dissipation in the devices faces several problems. In our work, boron nitride (BN) with good thermal conductivity (TC) was successfully fabricated by constructing the BN along the axial direction and the surface-grafted BN hybrid composite fibers via the wet-spinning and hot-pressing method. The unique inter-outer and inter-interconnected hybrid structure of composite fibers exhibited 176.47% thermal conductivity enhancement (TCE), which exhibits good TC, mechanical resistance, and chemical resistance. In addition, depending on the special structure of the composite fibers, it provides a new strategy for fabricating thermal interface materials in the electronic device. Full article
(This article belongs to the Special Issue Functional Nanomaterials: Structures, Compositions and Various Applications)
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9 pages, 1032 KiB  
Article
Dirac Electrons with Molecular Relaxation Time at Electrochemical Interface between Graphene and Water
by Alexey V. Butko, Vladimir Y. Butko and Yurii A. Kumzerov
Int. J. Mol. Sci. 2024, 25(18), 10083; https://doi.org/10.3390/ijms251810083 - 19 Sep 2024
Viewed by 638
Abstract
The time dynamics of charge accumulation at the electrochemical interface between graphene and water is important for supercapacitors, batteries, and chemical and biological sensors. By using impedance spectroscopy, we have found that measured capacitance (Cm) at this interface with the gate [...] Read more.
The time dynamics of charge accumulation at the electrochemical interface between graphene and water is important for supercapacitors, batteries, and chemical and biological sensors. By using impedance spectroscopy, we have found that measured capacitance (Cm) at this interface with the gate voltage Vgate ≈ 0.1 V follows approximate laws Cm~T1.2 and Cm~T0.11 (T is Vgate period) in frequency ranges (1000–50,000) Hz and (0.02–300) Hz, respectively. In the first range, this dependence demonstrates that the interfacial capacitance (Cint) is only partially charged during the charging period. The observed weaker frequency dependence of the measured capacitance (Cm) at frequencies below 300 Hz is primarily determined by the molecular relaxation of the double-layer capacitance (Cdl) and by the graphene quantum capacitance (Cq), and it also implies that Cint is mostly charged. We have also found a voltage dependence of Cm below 10 Hz, which is likely related to the voltage dependence of Cq. The observation of this effect only at low frequencies indicates that Cq relaxation time is much longer than is typical for electron processes, probably due to Dirac cone reconstruction from graphene electrons with increased effective mass as a result of their quasichemical bonding with interfacial molecular charges. Full article
(This article belongs to the Special Issue Functional Nanomaterials: Structures, Compositions and Various Applications)
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Review

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40 pages, 33703 KiB  
Review
Recent Developments in Porphyrin-Based Metal–Organic Framework Materials for Water Remediation under Visible-Light Irradiation
by Nirmal Kumar Shee and Hee-Joon Kim
Int. J. Mol. Sci. 2024, 25(8), 4183; https://doi.org/10.3390/ijms25084183 - 10 Apr 2024
Cited by 3 | Viewed by 1512
Abstract
Access to clean drinking water is a basic requirement, and eliminating pollutants from wastewater is important for saving water ecosystems. The porous structure and surface characteristics of metal–organic frameworks (MOFs) can function as a perfect scaffold for removing toxic compounds from wastewater. Porphyrins [...] Read more.
Access to clean drinking water is a basic requirement, and eliminating pollutants from wastewater is important for saving water ecosystems. The porous structure and surface characteristics of metal–organic frameworks (MOFs) can function as a perfect scaffold for removing toxic compounds from wastewater. Porphyrins are promising building blocks for constructing MOFs. Porphyrin-based metal–organic frameworks (P-MOFs) have been fabricated using porphyrin ligands, metal clusters, or ions. These materials can harvest light from a wide region of the solar spectrum, and their framework morphology and physicochemical properties can be controlled by changing their peripheral subunits or metal ions. These porous crystalline materials have generated interest because of their distinctive characteristics, including large permanent porosity, interesting surface morphology, broad conformational diversity, high photostability, and semiconducting nature. This article discusses the recent progress and usefulness of P-MOFs. The fabrication procedures of P-MOFs are discussed, followed by the adsorptive and photocatalytic removal of contaminants from wastewater. The relationships between the geometries of P-MOFs and their light-harvesting and charge-transfer mechanisms for the photocatalytic degradation of pollutants are highlighted. Finally, some future perspectives and obstacles in the photodegradation usage of P-MOFs are discussed, along with feasible research directions to standardize efficient photocatalysts for improved photodegradation for water treatment. Full article
(This article belongs to the Special Issue Functional Nanomaterials: Structures, Compositions and Various Applications)
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39 pages, 21347 KiB  
Review
Nanostructures as the Substrate for Single-Molecule Magnet Deposition
by Michał Adamek, Oleksandr Pastukh, Magdalena Laskowska, Agnieszka Karczmarska and Łukasz Laskowski
Int. J. Mol. Sci. 2024, 25(1), 52; https://doi.org/10.3390/ijms25010052 - 19 Dec 2023
Cited by 2 | Viewed by 1822
Abstract
Anchoringsingle-molecule magnets (SMMs) on the surface of nanostructures is gaining particular interest in the field of molecular magnetism. The accurate organization of SMMs on low-dimensional substrates enables controlled interactions and the possibility of individual molecules’ manipulation, paving the route for a broad range [...] Read more.
Anchoringsingle-molecule magnets (SMMs) on the surface of nanostructures is gaining particular interest in the field of molecular magnetism. The accurate organization of SMMs on low-dimensional substrates enables controlled interactions and the possibility of individual molecules’ manipulation, paving the route for a broad range of nanotechnological applications. In this comprehensive review article, the most studied types of SMMs are presented, and the quantum-mechanical origin of their magnetic behavior is described. The nanostructured matrices were grouped and characterized to outline to the reader their relevance for subsequent compounding with SMMs. Particular attention was paid to the fact that this process must be carried out in such a way as to preserve the initial functionality and properties of the molecules. Therefore, the work also includes a discussion of issues concerning both the methods of synthesis of the systems in question as well as advanced measurement techniques of the resulting complexes. A great deal of attention was also focused on the issue of surface–molecule interaction, which can affect the magnetic properties of SMMs, causing molecular crystal field distortion or magnetic anisotropy modification, which affects quantum tunneling or magnetic hysteresis, respectively. In our opinion, the analysis of the literature carried out in this way will greatly help the reader to design SMM-nanostructure systems. Full article
(This article belongs to the Special Issue Functional Nanomaterials: Structures, Compositions and Various Applications)
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