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Synthesis, Structure, and Spectral Properties of Perovskite Materials
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Synthesis, Structure, and Spectral Properties of Perovskite Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: closed (10 September 2022) | Viewed by 7661

Special Issue Editors

Prof. Przemysław Dereń

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Guest Editor
Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Department of Optical Spectroscopy, Wrocław, Poland
Interests: phosphors; perovskites; rare earth and transition metal ions; optical spectroscopy; structure
Special Issues, Collections and Topics in MDPI journals
Dr. Bartosz Bondzior

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Guest Editor
Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Department of Optical Spectroscopy, Wrocław, Poland
Interests: rare earth; phosphors; luminescence; optical probe; solid-solution
Dr. Karol Lemański

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Guest Editor
Department of Optical Spectroscopy, Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Wrocław, Poland
Interests: luminescence; perovskites; rare earth ions; nanocrystals; spectroscopy
Dr. Dagmara Stefańska

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Guest Editor
Włodzimierz Trzebiatowski Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Department of Optical Spectroscopy, Wrocław, Poland
Interests: organic and inorganic perovskite, double perovskite, hybrid materials, metal-organic framework materials, MOF materials, synthesis, structural analysis, rare earth ions, transition metal ions, spectroscopy, luminescence properties

Special Issue Information

Dear Colleagues,

Perovskite is a crystallographic structure described by the formula ABX3 (simple) or A2(BB')X6 (double) perovskite, where A and B (B') are metals of very different sizes and X is an anion, e.g., O, Cl, Br, I that bonds to them. There is a very large number of compounds possessing a perovskite structure. Recently, so-called hybrid structures in which A is a large inorganic or organic cation have become very interesting to scientists. The best known ones are the lead–halide hybrid perovskites because of their use in photovoltaics and the ever-increasing efficiency of converting light into electricity.

We may even dare say that the 21st century has introduced a new era of perovskite. We have certainly observed an enormous amount of interest in the search for compounds with this structure. The chemical composition of perovskites and the change in the ion substitutions that make up this structure extremely strongly affect their physical and chemical properties. Their applications are expected not only in photovoltaics but also in spintronics, as hard magnets containing no rare earths, as multiferroics or as magnetocalorics, piezoelectric materials, as well as in electrocatalysis and photocatalysis.

Responding to the growing interest in perovskites and studying them for at least twenty years, we wish to invite as many authors as possible to contribute to this Special Edition of Materials devoted to Perovskites—Structure, Synthesis, and Spectroscopic Properties.

Prof. Przemysław Dereń
Dr. Bartosz Bondzior
Dr. Karol Lemański
Dr. Dagmara Stefańska
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. Materials 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 2600 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

  • Perovskite
  • Double perovskite
  • Structure
  • Synthesis
  • Optical properties

Published Papers (4 papers)

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Research

12 pages, 3068 KiB  
Article
Metal-Formate Framework Stiffening and Its Relevance to Phase Transition Mechanism
by Paulina Peksa, Justyna Trzmiel, Maciej Ptak, Aneta Ciupa-Litwa and Adam Sieradzki
Materials 2021, 14(20), 6150; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14206150 - 16 Oct 2021
Cited by 1 | Viewed by 1664
Abstract
In the last decade, one of the most widely examined compounds of motal-organic frameworks was undoubtedly ((CH3)2NH2)(Zn(HCOO)3), but the problem of the importance of framework dynamics in the order–disorder phase change of the mechanism has [...] Read more.
In the last decade, one of the most widely examined compounds of motal-organic frameworks was undoubtedly ((CH3)2NH2)(Zn(HCOO)3), but the problem of the importance of framework dynamics in the order–disorder phase change of the mechanism has not been fully clarified. In this study, a combination of temperature-dependent dielectric, calorimetric, IR, and Raman measurements was used to study the impact of ((CH3)2NH2)(Zn(DCOO)3) formate deuteration on the phase transition mechanism in this compound. This deuteration led to the stiffening of the metal-formate framework, which in turn caused an increase in the phase transition temperature by about 5 K. Interestingly, the energetic ordering of DMA+ cations remained unchanged compared to the non-deuterated compound. Full article
(This article belongs to the Special Issue Synthesis, Structure, and Spectral Properties of Perovskite Materials)
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16 pages, 10902 KiB  
Article
Effect of Ceramic Formation on the Emission of Eu3+ and Nd3+ Ions in Double Perovskites
by Natalia Miniajluk-Gaweł, Bartosz Bondzior, Karol Lemański, Thi Hong Quan Vu, Dagmara Stefańska, Remy Boulesteix and Przemysław Jacek Dereń
Materials 2021, 14(20), 5996; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14205996 - 12 Oct 2021
Cited by 5 | Viewed by 1369
Abstract
Herein, the structure, morphology, as well as optical properties of the powder and ceramic samples of Ba2MgWO6 are presented. Powder samples were obtained by high temperature solid-state reaction, while, for the ceramics, the SPS technique under 50-MPa pressure was applied. [...] Read more.
Herein, the structure, morphology, as well as optical properties of the powder and ceramic samples of Ba2MgWO6 are presented. Powder samples were obtained by high temperature solid-state reaction, while, for the ceramics, the SPS technique under 50-MPa pressure was applied. The morphology of the investigated samples showed some agglomeration and grains with a submicron size of 490–492 µm. The theoretical density and relative density of ceramics were calculated using the Archimedes method. The influence of sample preparation on the position, shape, and character of the host, as well as dopants emission was investigated. Sample sintering enhances regular emission of WO6 groups causing a blue shift of Ba2MgWO6 emission. Nonetheless, under X-ray excitation, only the green emission of inversion WO6 group was detected. For the ceramic doped with Eu3+ ions, the emission of both host and dopant was detected. However, for the powder efficient host to activator energy, the transfer process occurred, and only the magnetic dipole emission of Eu3+ was detected. The intensity of Nd3+ ions of Ba2MgWO6 powder sample is five times higher than for the ceramic. The sintering process reduces inversion defects and creates a highly symmetrical site of neodymium ions. The emission of Ba2MgWO6:Nd3+ consists of transitions from the 4F3/2 excited level to the 4IJ multiplet states with the dominance of the 4F3/2→4I11/2 one. The spectroscopic quality parameter and branching ratio of Nd3+ emission are presented. Full article
(This article belongs to the Special Issue Synthesis, Structure, and Spectral Properties of Perovskite Materials)
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15 pages, 4411 KiB  
Article
Exploration of the Temperature Sensing Ability of La2MgTiO6:Er3+ Double Perovskites Using Thermally Coupled and Uncoupled Energy Levels
by Thi Hong Quan Vu, Bartosz Bondzior, Dagmara Stefańska and Przemysław J. Dereń
Materials 2021, 14(19), 5557; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14195557 - 24 Sep 2021
Cited by 10 | Viewed by 1603
Abstract
This work aimed to explore the temperature-sensing performance of La2MgTiO6:Er3+ double perovskites based on thermally coupled and uncoupled energy levels. Furthermore, the crystal structure, chemical composition, and morphology of the samples were investigated by powder X-ray diffraction, energy-dispersive [...] Read more.
This work aimed to explore the temperature-sensing performance of La2MgTiO6:Er3+ double perovskites based on thermally coupled and uncoupled energy levels. Furthermore, the crystal structure, chemical composition, and morphology of the samples were investigated by powder X-ray diffraction, energy-dispersive X-ray spectroscopy, and scanning electron microscopy, respectively. The most intense luminescence was observed for the sample doped with 5% Er3+. The temperature-dependent emission spectra of La2MgTiO6:5% Er3+ were investigated in the wide range of 77–398 K. The highest sensitivity of the sample was equal to 2.98%/K corresponding to the thermally coupled energy level 2H11/2 → 4I15/2 and 4S3/2 → 4I15/2 as compared to 1.9%/K, obtained for the uncoupled energy level 2H11/2 → 4I15/2 and 2H9/2 → 4I15/2. Furthermore, the 300 K luminescent decay profiles were analyzed using the Inokuti–Hirayama model. The energy transfer among Er3+ ions was mainly regulated by the dipole–dipole mechanism. The critical transfer distance R0, critical concentration C0, energy transfer parameter Cda, and energy transfer probability Wda were 9.81 Å, 2.53×1020 ions·cm−3, 5.38×10−39 cm6·s−1, and 6020 s−1, respectively. Full article
(This article belongs to the Special Issue Synthesis, Structure, and Spectral Properties of Perovskite Materials)
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15 pages, 1769 KiB  
Article
Mechanism of Unusual Isosymmetric Order-Disorder Phase Transition in [Dimethylhydrazinium]Mn(HCOO)3 Hybrid Perovskite Probed by Vibrational Spectroscopy
by Jan Albert Zienkiewicz, Edyta Kucharska and Maciej Ptak
Materials 2021, 14(14), 3984; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14143984 - 16 Jul 2021
Cited by 4 | Viewed by 1922
Abstract
[DMHy]Mn(HCOO)3 (DMHy+ = dimethylhydrazinium cation) is an example of an organic–inorganic hybrid adopting perovskite-like architecture with the largest organic cation used so far in the synthesis of formate-based hybrids. This compound undergoes an unusual isosymmetric phase transition at 240 K on [...] Read more.
[DMHy]Mn(HCOO)3 (DMHy+ = dimethylhydrazinium cation) is an example of an organic–inorganic hybrid adopting perovskite-like architecture with the largest organic cation used so far in the synthesis of formate-based hybrids. This compound undergoes an unusual isosymmetric phase transition at 240 K on heating. The mechanism of this phase transition has a complex nature and is mainly driven by the ordering of DMHy+ cations and accompanied by a significant distortion of the metal–formate framework in the low temperature (LT) phase. In this work, the Density Functional Theory (DFT) calculations and factor group analysis are combined with experimental temperature-dependent IR and Raman studies to unequivocally assign the observed vibrational modes and shed light on the details of the occurring structural changes. The spectroscopic data show that this first-order phase transition has a highly dynamic nature, which is a result of balanced interplay combining re-arrangement of the hydrogen bonds and ordering of DMHy+ cations. The tight confinement of organic cations forces simultaneous steric deformation of formate ions and the MnO6 octahedra. Full article
(This article belongs to the Special Issue Synthesis, Structure, and Spectral Properties of Perovskite Materials)
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