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Novel Functional Nanomaterials: Synthesis, Characterization and Applications
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Novel Functional Nanomaterials: Synthesis, Characterization and Applications

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 3143

Special Issue Editors

Dr. Haoyan Cheng

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, China
Interests: controlled synthesis of nanomaterials; nanomedicine; nanomotors; anticancer; energy storage
Dr. Hao Hu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, China
Interests: energy storage nanomaterials; functional materials; lithium-sulfur batteries; oxide negative electrodes; aqueous batteries
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nanomaterials are materials with at least one dimension less than 100 nanometers that exhibit unique physical, chemical, and biological properties. With the rapid development of nanotechnology, novel functional nanomaterials have been developed, endowed with various functions such as optical, electrical, magnetic, and catalytic properties. Thus, novel functional nanomaterials are defined as materials that are designed at the nanoscale to serve a specific function in a wide range of applications.

These novel functional nanomaterials have significant potential for addressing challenges in various fields, including biomedical engineering, energy, environmental protection, and information technology. Therefore, further exploration and application of novel functional nanomaterials will undoubtedly bring more innovative ideas and solutions to solving critical societal problems.

This Special Issue focuses on the synthesis, characterization, and applications of novel functional nanomaterials. The research papers in this Special Issue will cover recent advances in the fabrication and characterization of novel materials with unique optical, electrical, magnetic, or mechanical properties at the nanoscale. The aim of this Special Issue is to present cutting-edge research in the field of nanoscience and nanotechnology and to highlight potential applications of these novel materials.

Dr. Haoyan Cheng
Dr. Hao Hu
Guest Editors

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. Molecules 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 2700 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
  • biomedicine
  • synthesis
  • characterization
  • applications
  • fabrication
  • optical properties
  • electrical properties
  • magnetic properties
  • mechanical properties
  • nanoscience
  • nanotechnology

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Published Papers (4 papers)

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Research

14 pages, 4136 KiB  
Article
Morphology of Coatings Deposited by Pulsed Electron Deposition Method from Polytetrafluoroethylene-Carbon Composites
by Agata Niemczyk, Sebastian Fryska, Dariusz Moszyński, Daniel Deacu, Paweł Kochmański and Jolanta Baranowska
Molecules 2025, 30(7), 1474; https://doi.org/10.3390/molecules30071474 - 26 Mar 2025
Viewed by 211
Abstract
PTFE/C composite targets were ablated using a pulsed electron beam of different energies to evaluate the suitability of this technique for composite coating deposition. Composite materials with two different carbon fillers and their contents (graphite—10 wt.% and coal coke—35 wt.%) were used. A [...] Read more.
PTFE/C composite targets were ablated using a pulsed electron beam of different energies to evaluate the suitability of this technique for composite coating deposition. Composite materials with two different carbon fillers and their contents (graphite—10 wt.% and coal coke—35 wt.%) were used. A PTFE target was used as reference material. The chemical and physical structure of the coatings was investigated using FTIR, XPS, and XRD. The topography was investigated using optical microscopy, SEM, and AFM. In addition, the contact angle and surface energy of the coatings were evaluated. It was shown that the presence of carbon particles in the polymer matrix decreased the deposition rate but greatly reduced the degradation of PTFE. It is hypothesized that the high content of conductive particles reduces the capability of the pulsed electron beam process to maintain the integrity of the filler particles during the coating deposition process. Full article
(This article belongs to the Special Issue Novel Functional Nanomaterials: Synthesis, Characterization and Applications)
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13 pages, 2230 KiB  
Article
A Novel N/P-Doped Carbon Shells/Mn5.64P3 with Hexagonal Crystal Structure Hybrid as a Prospective Anode for Lithium-Ion Batteries
by Fei Wang, Jingxia Gao, Hui Li, Junle Zhang, Aiyun Jiang, Yong Liu and Fengzhang Ren
Molecules 2025, 30(6), 1346; https://doi.org/10.3390/molecules30061346 - 17 Mar 2025
Viewed by 246
Abstract
The tailored crystalline configuration coupled with submicron particles would be conducive to superior ionic conductivity, which could further improve the cycle life of lithium-ion batteries (LIBs). Here, manganese phosphide (Mn5.64P3) particles with hexagonal crystal structure embedded into nitrogen/phosphorus (N/P) [...] Read more.
The tailored crystalline configuration coupled with submicron particles would be conducive to superior ionic conductivity, which could further improve the cycle life of lithium-ion batteries (LIBs). Here, manganese phosphide (Mn5.64P3) particles with hexagonal crystal structure embedded into nitrogen/phosphorus (N/P) co-doped carbon shells (Mn5.64P3-C) are successfully prepared by the self-template and recrystallization–self-assembly method. The electrochemical properties of as-synthesized Mn5.64P3-C as anode materials for LIBs are systematically investigated. The XRD and HRTEM combined with SAED indicate that the prepared Mn5.64P3-C hybrid with the ratio of 1:10 of Mn:C present a hexagonal crystal structure covered with a carbon layer. During charging/discharging at the current density of 0.5 A g−1, the Mn5.64P3-C electrode exhibits the reversible capacity of 160 mAh g−1 after 3000 cycles with high-capacity retention. The ex-situ XRD of initial discharge/charge process at different voltages implies that the Mn5.64P3 could be transformed to the amorphous LixMnyPz. The N/P co-doped carbon shells can provide high specific area for electrolyte infiltration, and act as the buffer matrix to suppress the loss of the Mn5.64P3 active material during cycling. The Mn5.64P3 with the hexagonal crystal structure and N/P co-doped carbon shells could promote the further optimization and development of manganese phosphide for high-performance LIBs. Full article
(This article belongs to the Special Issue Novel Functional Nanomaterials: Synthesis, Characterization and Applications)
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14 pages, 3597 KiB  
Article
Novel Benzothiazole Boc-Phe-Phe-Bz Derivative Dipeptide Forming Fluorescent and Nonlinear Optical Self-Assembled Structures
by Rosa M. F. Baptista, Daniela Santos, N. F. Cunha, Maria Cidália R. Castro, Pedro V. Rodrigues, Ana V. Machado, Michael S. Belsley and Etelvina de Matos Gomes
Molecules 2025, 30(4), 942; https://doi.org/10.3390/molecules30040942 - 18 Feb 2025
Viewed by 381
Abstract
This work explores the self-assembly and optical properties of a novel chiral, aromatic-rich Boc-Phe-Phe dipeptide derivative functionalized with a benzothiazole bicyclic ring that forms supramolecular structures. Leveraging the well-known self-assembling capabilities of diphenylalanine dipeptides, this modified derivative introduces a heterocyclic benzothiazole unit that [...] Read more.
This work explores the self-assembly and optical properties of a novel chiral, aromatic-rich Boc-Phe-Phe dipeptide derivative functionalized with a benzothiazole bicyclic ring that forms supramolecular structures. Leveraging the well-known self-assembling capabilities of diphenylalanine dipeptides, this modified derivative introduces a heterocyclic benzothiazole unit that significantly enhances the fluorescence of the resulting nanostructures. The derivative’s rich aromatic character drives the formation of supramolecular structures through self-organization mechanisms influenced by quantum confinement. By adjusting the solvent system, the nanostructures exhibit tunable morphologies, ranging from nanospheres to nanobelts. The nonlinear optical properties of these self-assembled structures were studied and an estimated deff of ~0.9 pm/V was obtained, which is comparable to that reported for the highly aromatic triphenylalanine peptide. Full article
(This article belongs to the Special Issue Novel Functional Nanomaterials: Synthesis, Characterization and Applications)
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18 pages, 4226 KiB  
Article
Preparation and Application of Amino-Terminated Hyperbranched Magnetic Composites in High-Turbidity Water Treatment
by Yuan Zhao, Qianlong Fan, Yinhua Liu, Shuwen Wang, Xudong Guo, Liujia Guo, Mengcheng Zhu and Xuan Wang
Molecules 2023, 28(19), 6787; https://doi.org/10.3390/molecules28196787 - 24 Sep 2023
Cited by 5 | Viewed by 1614
Abstract
In order to separate the colloidal in high-turbidity water, a kind of magnetic composite (Fe3O4/HBPN) was prepared via the functional assembly of Fe3O4 and an amino-terminal hyperbranched polymer (HBPN). The physical and chemical characteristics of Fe [...] Read more.
In order to separate the colloidal in high-turbidity water, a kind of magnetic composite (Fe3O4/HBPN) was prepared via the functional assembly of Fe3O4 and an amino-terminal hyperbranched polymer (HBPN). The physical and chemical characteristics of Fe3O4@HBPN were investigated by different means. The Fourier Transform infrared spectroscopy (FTIR) spectra showed that the characteristic absorption peaks positioned at 1110 cm−1, 1468 cm−1, 1570 cm−1 and 1641 cm−1 were ascribed to C–N, H–N–C, N–H and C=O bonds, respectively. The shape and size of Fe3O4/HBPN showed a different and uneven distribution; the particles clumped together and were coated with an oil-like film. Energy-dispersive spectroscopy (EDS) displayed that the main elements of Fe3O4/HBPN were C, N, O, and Fe. The superparamagnetic properties and good magnetic response were revealed by vibrating sample magnetometer (VSM) analysis. The characteristic diffraction peaks of Fe3O4/HBPN were observed at 2θ = 30.01 (220), 35.70 (311), 43.01 (400), 56.82 (511), and 62.32 (440), which indicated that the intrinsic phase of magnetite remained. The zeta potential measurement indicated that the surface charge of Fe3O4/HBPN was positive in the pH range 4–10. The mass loss of Fe3O4/HBPN in thermogravimetric analysis (TGA) proved thermal decomposition. The –C–NH2 or –C–NH perssad of HBPN were linked and loaded with Fe3O4 particles by the N–O bonds. When the Fe3O4/HBPN dosage was 2.5 mg/L, pH = 4–5, the kaolin concentration of 1.0 g/L and the magnetic field of 3800 G were the preferred reaction conditions. In addition, a removal efficiency of at least 86% was reached for the actual water treatment. Fe3O4/HBPN was recycled after the first application and reused five times. The recycling efficiency and removal efficiency both showed no significant difference five times (p > 0.05), and the values were between 84.8% and 86.9%. Full article
(This article belongs to the Special Issue Novel Functional Nanomaterials: Synthesis, Characterization and Applications)
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