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Crystals
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Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods...
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Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods (Third Edition)

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Inorganic Crystalline Materials".

Deadline for manuscript submissions: 20 December 2024 | Viewed by 3534

Special Issue Editors

Dr. Aleksej Zarkov

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Guest Editor
Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
Interests: functional inorganic materials; mixed metal oxides; inorganic biomaterials; nanomaterials; thin films; ceramics
Special Issues, Collections and Topics in MDPI journals
Dr. Loreta Tamasauskaite-Tamasiunaite

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Guest Editor
Department of Catalysis, Center for Physical Sciences and Technology, Saulėtekio Ave. 3, Vilnius, Lithuania
Interests: nanoparticles; composites; metals; multifunctional materials; catalysts; fuel cells
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Aivaras Kareiva

E-Mail Website
Guest Editor
Institute of Chemistry, Vilnius University, LT-03225 Vilnius, Lithuania
Interests: multifunctional metal oxides; catalysts; microstructure; physical properties; nanoparticles; nanoclusters; nanocomposites; solid-state chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Functional inorganic materials are an indispensable part of innovative technologies, which are essential to the development of many fields of industry. The use of new materials, nanostructures, or multicomponent composites with specific chemical or physical properties promotes technological progress in electronics, optoelectronics, catalysis, biomedicine, and many other areas that are concerned with plenty of aspects of human life. Due to the broad and diverse range of potential applications of functional inorganic materials, the development of superior synthesis pathways, reliable characterization, and a deep understanding of the structure–property relationships in materials are rightfully considered to be fundamentally important scientific issues. Only synergetic efforts of scientists dealing with the synthesis, functionalization, and characterization of materials will lead to the development of future technologies.

The scope of this Special Issue of Crystals, entitled “Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods (Third Edition)”, includes but is not limited to the preparation routes, characterization, and application of functional inorganic materials, as well as hybrid materials that are important in the fields of electronics, optics, and biomedicine, among others. We would like to invite you to submit your work in the form of an original research article or a review paper related to the investigation of bulk materials, nanomaterials, or thin films.

Dr. Aleksej Zarkov
Dr. Loreta Tamasauskaite-Tamasiunaite
Prof. Dr. Aivaras Kareiva
Guest Editors

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. Crystals is an international peer-reviewed open access monthly 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 2100 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

  • multifunctional materials
  • magnetic materials
  • ferroelectric materials
  • piezoelectric materials
  • optical materials
  • processing routes
  • ceramics

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Published Papers (3 papers)

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Research

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11 pages, 3188 KiB  
Article
Synthesis and Characterization of Iron–Sillenite for Application as an XRD/MRI Dual-Contrast Agent
by Diana Vistorskaja, Jen-Chang Yang, Yu-Tzu Wu, Liang-Yu Chang, Po-Wen Lu, Aleksej Zarkov, Inga Grigoraviciute and Aivaras Kareiva
Crystals 2024, 14(8), 706; https://doi.org/10.3390/cryst14080706 - 5 Aug 2024
Viewed by 664
Abstract
In the present work, iron–sillenite (Bi25FeO40) was synthesized using a simple solid-state reaction method and characterized. The effects of the synthesis conditions on the phase purity of Bi2O3/Fe3O4, morphological features, and [...] Read more.
In the present work, iron–sillenite (Bi25FeO40) was synthesized using a simple solid-state reaction method and characterized. The effects of the synthesis conditions on the phase purity of Bi2O3/Fe3O4, morphological features, and possible application as an XRD/MRI dual-contrast agent were investigated. For the synthesis, the stoichiometric amounts of Bi2O3 and Fe3O4 were mixed and subsequently milled in a planetary ball mill for 10 min with a speed of 300 rpm. The milled mixture was calcined at various temperatures (550 °C, 700 °C, 750 °C, 800 °C, and 850 °C) for 1 h in air at a heating rate of 5 °C/min. For phase identification, powder X-ray diffraction (XRD) analysis was performed and infrared (FTIR) spectra were recorded. The surface morphology of synthesized samples was studied by field-emission scanning electron microscopy (FE-SEM). For the radiopacity measurements, iron–sillenite specimens were synthesized at different temperatures and mixed with different amounts of BaSO4 and Laponite solution. It was demonstrated that iron–sillenite Bi25FeO40 possessed sufficient radiopacity and could be a potential candidate to meet the requirements of its application as an XRD/MRI dual-contrast agent. Full article
(This article belongs to the Special Issue Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods (Third Edition))
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24 pages, 3814 KiB  
Article
Wet Chemical Synthesis of AlxGa1−xAs Nanostructures: Investigation of Properties and Growth Mechanisms
by Yana Suchikova, Sergii Kovachov, Ihor Bohdanov, Marina Konuhova, Yaroslav Zhydachevskyy, Kuat Kumarbekov, Vladimir Pankratov and Anatoli I. Popov
Crystals 2024, 14(7), 633; https://doi.org/10.3390/cryst14070633 - 9 Jul 2024
Cited by 1 | Viewed by 934
Abstract
This study focuses on the wet chemical synthesis of AlxGa1−xAs nanostructures, highlighting how different deposition conditions affect the film morphology and material properties. Electrochemical etching was used to texture GaAs substrates, enhancing mechanical adhesion and chemical bonding. Various deposition [...] Read more.
This study focuses on the wet chemical synthesis of AlxGa1−xAs nanostructures, highlighting how different deposition conditions affect the film morphology and material properties. Electrochemical etching was used to texture GaAs substrates, enhancing mechanical adhesion and chemical bonding. Various deposition regimes, including voltage switching, gradual voltage increase, and pulsed voltage, were applied to explore their impact on the film growth mechanisms. SEM analysis revealed distinct morphologies, EDX confirmed variations in aluminum content, Raman spectroscopy detected structural disorders, and XRD analysis demonstrated peak position shifts. The findings emphasize the versatility and cost-effectiveness of wet electrochemical methods for fabricating high-quality AlxGa1−xAs films with tailored properties, showing potential for optoelectronic devices, high-efficiency solar cells, and other advanced semiconductor applications. Full article
(This article belongs to the Special Issue Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods (Third Edition))
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Review

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19 pages, 10752 KiB  
Review
Synthesis, Characterisation, and Applications of TiO and Other Black Titania Nanostructures Species (Review)
by Simonas Ramanavicius and Arunas Jagminas
Crystals 2024, 14(7), 647; https://doi.org/10.3390/cryst14070647 - 14 Jul 2024
Cited by 4 | Viewed by 1202
Abstract
Black titania, a conductive ceramic material class, has garnered significant interest due to its unique optical and electrochemical properties. However, synthesising and properly characterising these structures pose a considerable challenge. This diverse material family comprises various titanium oxide phases, many of them non-stoichiometric. [...] Read more.
Black titania, a conductive ceramic material class, has garnered significant interest due to its unique optical and electrochemical properties. However, synthesising and properly characterising these structures pose a considerable challenge. This diverse material family comprises various titanium oxide phases, many of them non-stoichiometric. The term “black TiO2” was first introduced in 2011 by Xiaobo Chen, but Arne Magneli’s groundbreaking discovery and in-depth investigation of black titania in 1957 laid the foundation for our understanding of this material. The non-stoichiometric black titanium oxides were then called the Magneli phases. Since then, the science of black titania has advanced, leading to numerous applications in photocatalysis, electrocatalysis, supercapacitor electrodes, batteries, gas sensors, fuel cells, and microwave absorption. Yet, the literature is rife with conflicting reports, primarily due to the inadequate analysis of black titania materials. This review aims to provide an overview of black titania nanostructures synthesis and the proper characterisation of the most common and applicable black titania phases. Full article
(This article belongs to the Special Issue Advances in Functional Inorganic Materials Prepared by Wet Chemical Methods (Third Edition))
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