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Synthesis and Applications of Advanced Inorganic Materials

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

Deadline for manuscript submissions: 20 June 2024 | Viewed by 6750

Special Issue Editors


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Guest Editor
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Moscow 119991, Russia
Interests: redox-active nanomaterials; ceria; cerium phosphates; hydrothermal synthesis; sol-gel technology

E-Mail Website
Guest Editor
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, Moscow 119991, Russia
Interests: functional materials; nanocomposites; rare-earth elements; biomaterials; biological activity
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

For thousand years the mankind has been creating and using inorganic materials. Modern materials science is the result of a fruitful symbiosis of chemistry, physics, mechanics, engineering and other sciences. The growing demands in mass production, energy, healthcare and ecology require a significant improvement or modification of the properties of existing inorganic materials, or the development of brand new ones. In this regard, there is a great need for the new generations of inorganic materials having unique functional characteristics that are not inherent in traditional materials. The creation and design of advanced inorganic materials strongly requires an interdisciplinary approach and the use of advanced synthetic techniques to govern chemical composition, structure, and functional properties of the products. The development of new materials is usually a response to a specific practical need, while in some cases, it opens up fundamentally new application possibilities.

This Special Issue is dedicated to the latest achievements in the field of creating novel inorganic materials, including nanomaterials, hybrid and composite materials, as well as to the basic principles of the synthesis of inorganic materials, and to their promising practical applications.

Dr. Taisiya Kozlova
Prof. Dr. Vladimir Ivanov
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. 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

  • nanomaterials
  • coordination compounds
  • metal-organic frameworks
  • hybrid materials
  • biomaterials
  • amorphous materials
  • magnetic materials
  • luminescent materials
  • ceramics

Published Papers (5 papers)

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Research

13 pages, 4147 KiB  
Article
Poly(vinyl chloride)/Nanocarbon Composites for Advanced Potentiometric Membrane Sensor Design
by Konstantin Yu. Zhizhin, Evgeniy S. Turyshev, Liliya K. Shpigun, Philipp Yu. Gorobtsov, Nikolay P. Simonenko, Tatiana L. Simonenko and Nikolay T. Kuznetsov
Int. J. Mol. Sci. 2024, 25(2), 1124; https://doi.org/10.3390/ijms25021124 - 17 Jan 2024
Cited by 1 | Viewed by 715
Abstract
Polymer nanocomposites filled with carbon nanoparticles (CNPs) are a hot topic in materials science. This article discusses the current research on the use of these materials as interfacial electron transfer films for solid contact potentiometric membrane sensors (SC-PMSs). The results of a comparative [...] Read more.
Polymer nanocomposites filled with carbon nanoparticles (CNPs) are a hot topic in materials science. This article discusses the current research on the use of these materials as interfacial electron transfer films for solid contact potentiometric membrane sensors (SC-PMSs). The results of a comparative study of plasticized poly (vinyl chloride) (pPVC) matrices modified with single-walled carbon nanotubes (SWCNTs), fullerenes-C60, and their hybrid ensemble (SWCNTs-C60) are reported. The morphological characteristics and electrical conductivity of the prepared nanostructured composite films are reported. It was found that the specific electrical conductivity of the pPVC/SWCNTs-C60 polymer film was higher than that of pPVC filled with individual nanocomponents. The effectiveness of this composite material as an electron transfer film in a new potentiometric membrane sensor for detecting phenylpyruvic acid (in anionic form) was demonstrated. Screening for this metabolic product of phenylalanine in body fluids is of significant diagnostic interest in phenylketonuria (dementia), viral hepatitis, and alcoholism. The developed sensor showed a stable and fast Nernstian response for phenylpyruvate ions in aqueous solutions over the wide linear concentration range of 5 × 10−7–1 × 10−3 M, with a detection limit of 10−7.2 M. Full article
(This article belongs to the Special Issue Synthesis and Applications of Advanced Inorganic Materials)
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15 pages, 2350 KiB  
Article
Sm/Co Magnetic Materials: A Recycling Strategy Using Modifiable Hydrophobic Deep Eutectic Solvents Based on Trioctylphosphine Oxide
by Nikita A. Milevskii, Inna V. Zinov’eva, Arina V. Kozhevnikova, Yulia A. Zakhodyaeva and Andrey A. Voshkin
Int. J. Mol. Sci. 2023, 24(18), 14032; https://doi.org/10.3390/ijms241814032 - 13 Sep 2023
Cited by 6 | Viewed by 1261
Abstract
Hydrophobic deep eutectic solvents (HDES) are widely used as extractants. Usually, when preparing HDES, only the extraction ability of one component is taken into account, with the second serving as an “inert” component, whose effect on the extraction process is not taken into [...] Read more.
Hydrophobic deep eutectic solvents (HDES) are widely used as extractants. Usually, when preparing HDES, only the extraction ability of one component is taken into account, with the second serving as an “inert” component, whose effect on the extraction process is not taken into account. The present study demonstrates the possibility of controlling the selectivity of a hydrophobic deep eutectic solvent based on trioctylphosphine oxide (TOPO) by varying the substance that acts as a hydrogen bond donor, but which does not have an extractive ability. In the course of the work, the influence of the “inert” component on the physicochemical and extraction properties of HDES was confirmed by experimental, spectroscopic, and also calculation methods. A number of phenols with different structural features were chosen as the HDES’ hydrogen bond donors to modify: phenol (Ph), para-tert-butylphenol (PTBP) and thymol (Th). Using the example of separation of the Sm/Co pair, the influence of the structure of a hydrogen bond donor on the extraction ability of a hydrophobic deep eutectic solvent was established, where the degree of extraction of Sm (III) increased in the series Th:TOPO < PTBP:TOPO < Ph:TOPO. HDES based on TOPO and phenols can potentially be used to separate Sm and Co from the process leach solutions generated during the hydrometallurgical processing of waste SmCo magnets. Full article
(This article belongs to the Special Issue Synthesis and Applications of Advanced Inorganic Materials)
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20 pages, 21044 KiB  
Article
Oxidation of Ceramic Materials Based on HfB2-SiC under the Influence of Supersonic CO2 Jets and Additional Laser Heating
by Elizaveta P. Simonenko, Anatoly F. Kolesnikov, Aleksey V. Chaplygin, Mikhail A. Kotov, Mikhail Yu. Yakimov, Ilya V. Lukomskii, Semen S. Galkin, Andrey N. Shemyakin, Nikolay G. Solovyov, Anton S. Lysenkov, Ilya A. Nagornov, Artem S. Mokrushin, Nikolay P. Simonenko and Nikolay T. Kuznetsov
Int. J. Mol. Sci. 2023, 24(17), 13634; https://doi.org/10.3390/ijms241713634 - 4 Sep 2023
Cited by 3 | Viewed by 1053
Abstract
The features of oxidation of ultra-high-temperature ceramic material HfB2-30 vol.%SiC modified with 1 vol.% graphene as a result of supersonic flow of dissociated CO2 (generated with the use of high-frequency induction plasmatron), as well as under the influence of combined [...] Read more.
The features of oxidation of ultra-high-temperature ceramic material HfB2-30 vol.%SiC modified with 1 vol.% graphene as a result of supersonic flow of dissociated CO2 (generated with the use of high-frequency induction plasmatron), as well as under the influence of combined heating by high-speed CO2 jets and ytterbium laser radiation, were studied for the first time. It was found that the addition of laser radiation leads to local heating of the central region from ~1750 to ~2000–2200 °C; the observed temperature difference between the central region and the periphery of ~300–550 °C did not lead to cracking and destruction of the sample. Oxidized surfaces and cross sections of HfB2-SiC-CG ceramics with and without laser heating were investigated using X-ray phase analysis, Raman spectroscopy and scanning electron microscopy with local elemental analysis. During oxidation by supersonic flow of dissociated CO2, a multilayer near-surface region similar to that formed under the influence of high-speed dissociated air flows was formed. An increase in surface temperature with the addition of laser heating from 1750–1790 to 2000–2200 °C (short term, within 2 min) led to a two to threefold increase in the thickness of the degraded near-surface area of ceramics from 165 to 380 microns. The experimental results indicate promising applications of ceramic materials based on HfB2-SiC as part of high-speed flying vehicles in planetary atmospheres predominantly composed of CO2 (e.g., Venus and Mars). Full article
(This article belongs to the Special Issue Synthesis and Applications of Advanced Inorganic Materials)
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20 pages, 5315 KiB  
Article
Novel Fluorescent Tetrahedral Zinc (II) Complexes Derived from 4-Phenyl-1-octyl-1H-imidazole Fused with Aryl-9H-Carbazole and Triarylamine Donor Units: Synthesis, Crystal Structures, and Photophysical Properties
by Thompho Jason Rashamuse, Elena Mabel Coyanis, Rudolph Erasmus and Nomampondo Penelope Magwa
Int. J. Mol. Sci. 2023, 24(15), 12260; https://doi.org/10.3390/ijms241512260 - 31 Jul 2023
Viewed by 1016
Abstract
We present here the design, synthesis, and photophysical properties of two novel fluorescent zinc (II) complexes, ZnCl2(ImL1)2 and ZnCl2(ImL2)2, containing 4-(1-octyl-1H-imidazol-4-yl)-N,N-diphenyl-[1,1-biphenyl]-4-yl)-4-amine ImL1 and 9-(4-(1-octyl-1H-imidazol-4-yl)-[1,1-biphenyl]-4-yl)-9 [...] Read more.
We present here the design, synthesis, and photophysical properties of two novel fluorescent zinc (II) complexes, ZnCl2(ImL1)2 and ZnCl2(ImL2)2, containing 4-(1-octyl-1H-imidazol-4-yl)-N,N-diphenyl-[1,1-biphenyl]-4-yl)-4-amine ImL1 and 9-(4-(1-octyl-1H-imidazol-4-yl)-[1,1-biphenyl]-4-yl)-9H-carbazole ImL2 ligands. The newly synthesized free ligands and their zinc (II) complexes were characterized using several spectroscopic techniques; their structures were identified by single-crystal X-ray diffraction; and their photophysical properties have been studied in the context of their chemical structure. The ZnCl2(ImL1)2 and ZnCl2(ImL2)2 complexes showed good thermal stability at 341 °C and 365 °C, respectively. Photophysical properties, including UV-Vis absorption spectra in ethanol solution and photoluminescence (PL) in both solid state and ethanol solution, were determined. UV-Vis adsorption data indicated that both free ligands had similar UV-Vis absorption properties, while their Zn (II) complexes had distinctive absorption characteristics. The fluorescence spectra show that both ligands and their corresponding Zn (II) complexes emit violet to cyan luminescence in the solid state at room temperature, while in ethanol solution at the same temperature, they exhibit efficient photoluminescence properties in the UV-A emission spectral region. Because of these photophysical properties, the synthesized ligands and their cognate Zn (II) complexes can be used as scaffolds for the potential development of optoelectronic materials. Full article
(This article belongs to the Special Issue Synthesis and Applications of Advanced Inorganic Materials)
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21 pages, 6357 KiB  
Article
Perfluoroalkyl Chain Length Effect on Crystal Packing and [LnO8] Coordination Geometry in Lanthanide-Lithium β-Diketonates: Luminescence and Single-Ion Magnet Behavior
by Kristina A. Smirnova, Yulia O. Edilova, Mikhail A. Kiskin, Artem S. Bogomyakov, Yulia S. Kudyakova, Marina S. Valova, Galina V. Romanenko, Pavel A. Slepukhin, Victor I. Saloutin and Denis N. Bazhin
Int. J. Mol. Sci. 2023, 24(11), 9778; https://doi.org/10.3390/ijms24119778 - 5 Jun 2023
Cited by 1 | Viewed by 1519
Abstract
Functionalized perfluoroalkyl lithium β-diketonates (LiL) react with lanthanide(III) salts (Ln = Eu, Gd, Tb, Dy) in methanol to give heterobimetallic Ln-Li complexes of general formula [(LnL3)(LiL)(MeOH)]. The length of fluoroalkyl substituent in ligand was found to affect the crystal packing of [...] Read more.
Functionalized perfluoroalkyl lithium β-diketonates (LiL) react with lanthanide(III) salts (Ln = Eu, Gd, Tb, Dy) in methanol to give heterobimetallic Ln-Li complexes of general formula [(LnL3)(LiL)(MeOH)]. The length of fluoroalkyl substituent in ligand was found to affect the crystal packing of complexes. Photoluminescent and magnetic properties of heterobimetallic β-diketonates in the solid state are reported. The effect of the geometry of the [LnO8] coordination environment of heterometallic β-diketonates on the luminescent properties (quantum yields, phosphorescence lifetimes for Eu, Tb, Dy complexes) and single-ion magnet behavior (Ueff for Dy complexes) is revealed. Full article
(This article belongs to the Special Issue Synthesis and Applications of Advanced Inorganic Materials)
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