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Inorganics
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The State of the Art of Research on Perovskites Materials
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The State of the Art of Research on Perovskites Materials

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Inorganic Materials".

Deadline for manuscript submissions: closed (30 July 2024) | Viewed by 5888

Special Issue Editors

Dr. Shuang Liang

E-Mail Website
Guest Editor
Department of Chemistry & Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, USA
Interests: semiconducting nanocrystals; colloidal synthesis; nanocomposite; optoelectronics; perovskites; polymer synthesis
Dr. Mingyue Zhang

E-Mail Website
Guest Editor
Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore
Interests: polymer synthesis; polymer templated nanocrystals; nanomaterials for energy related applications; self-assembly; chiral nanomaterials

Special Issue Information

Dear Colleagues,

Perovskite materials represent an emerging and exciting class of inorganic materials that have attracted worldwide research interest and have been widely implemented in energy storage and conversion. The intriguing magnetic, catalytic, optic, and optoelectronic properties of metal halide and metal oxide perovskites, such as semiconducting, ferroelectric, piezoelectric, magnetoresistance, superconductivity, and catalytic activity, make them attractive and promising candidates for electrocatalysis, energy conversion and storage, information technology, spintronic devices, and much more. For instance, the certified power conversion efficiency of metal halide perovskite solar cells experienced an over 5-fold increase to 25.2% in the past decade.

In this context, we aim to present state-of-the-art research on perovskite materials in this Special Issue—from novel synthetic methods to fundamental property investigations and potential applications in catalysis, devices, and others—in the form of original research articles or critical reviews.

We look forward to receiving your contributions.

Dr. Shuang Liang
Dr. Mingyue Zhang
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. Inorganics 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 2200 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 materials
  • synthesis and characterization of perovskites
  • photophysics
  • dielectric
  • ferroelectric
  • piezoelectric
  • optoelectronic
  • energy conversion
  • energy storage
  • catalysis
  • devices

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Published Papers (5 papers)

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Research

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13 pages, 3260 KiB  
Article
Two Perovskite Modifications of BiFe0.6Mn0.4O3 Prepared by High-Pressure and Post-Synthesis Annealing at Ambient Pressure
by Alexei A. Belik
Inorganics 2024, 12(8), 226; https://doi.org/10.3390/inorganics12080226 - 19 Aug 2024
Cited by 1 | Viewed by 758
Abstract
BiFeO3-related perovskite-type materials attract a lot of attention from the viewpoint of applications and fundamental science. In this work, we prepared two modifications of heavily Mn-doped BiFeO3 with the composition of BiFe0.6Mn0.4O3. A high-pressure [...] Read more.
BiFeO3-related perovskite-type materials attract a lot of attention from the viewpoint of applications and fundamental science. In this work, we prepared two modifications of heavily Mn-doped BiFeO3 with the composition of BiFe0.6Mn0.4O3. A high-pressure (HP) modification was prepared at about 6 GPa and 1400 K. An ambient pressure (AP) modification was prepared by heating the HP modification at 780 K in the air at AP (post-synthesis annealing). Crystal structures of both modifications and in situ transformation were investigated with synchrotron powder X-ray diffraction. The transformation started at about 700 K and finished at about 780 K. The HP modification crystallized in space group Pnma with a = 5.57956 Å, b = 15.70576 Å, and c = 11.22557 Å, and the AP modification crystallized in space group Pbam with a = 5.63839 Å, b = 11.2710 Å, and c = 7.75923 Å (all parameters were at room temperature). Post-synthesis annealing of the HP modification (conversion polymorphism) is the only way to prepare the Pbam modification of oxygen stoichiometric BiFe0.6Mn0.4O3. Magnetic properties of both modifications have been reported. The Néel temperatures are TN = 350 K (HP) and TN = 335 K (AP). HP modification shows larger spin canting. Both modifications show negative magnetization phenomena at low temperatures in low magnetic fields. Full article
(This article belongs to the Special Issue The State of the Art of Research on Perovskites Materials)
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13 pages, 5777 KiB  
Article
Characterization and Degradation of Perovskite Mini-Modules
by R. Ebner, A. Mittal, G. Ujvari, M. Hadjipanayi, V. Paraskeva, G. E. Georghiou, A. Hadipour, A. Aguirre and T. Aernouts
Inorganics 2024, 12(8), 219; https://doi.org/10.3390/inorganics12080219 - 15 Aug 2024
Viewed by 1175
Abstract
Organic–inorganic hybrid metal halide perovskites are poised to revolutionize the next generation of photovoltaics with their exceptional optoelectronic properties and compatibility with low-cost and large-scale fabrication methods. Since perovskite tends to degrade over short time intervals due to various parameters (oxygen, humidity, light, [...] Read more.
Organic–inorganic hybrid metal halide perovskites are poised to revolutionize the next generation of photovoltaics with their exceptional optoelectronic properties and compatibility with low-cost and large-scale fabrication methods. Since perovskite tends to degrade over short time intervals due to various parameters (oxygen, humidity, light, and temperature), advanced characterization methods are needed to understand their degradation mechanisms. In this context, investigation of the electrical and optoelectronic properties of several perovskite mini-modules was performed by means of photo- and electroluminescence imaging as well as Dark Lock-In Thermography methods. Current–voltage curves at periodic time intervals and External Quantum Efficiency measurements were implemented alongside other measurements to reveal correlations between the electrical and radiative properties of the solar cells. The different imaging techniques used in this study reveal the changes in radiative emission processes and how those are correlated with performance. Alongside the indoor optoelectronic characterization of perovskite reference samples, the outdoor monitoring of two perovskite modules of the same structure for 23 weeks is reported. Significant performance degradation is presented outdoors from the first week of testing for both samples under test. The evolution of the major electrical characteristics of the mini-modules and the diurnal changes were studied in detail. Finally, dark storage recovery studies after outdoor exposure were implemented to investigate changes in the major electrical parameters. Full article
(This article belongs to the Special Issue The State of the Art of Research on Perovskites Materials)
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12 pages, 3705 KiB  
Article
Improving Charge Transport in Perovskite Solar Cells Using Solvent Additive Technique
by Ahmed Hayali and Maan M. Alkaisi
Inorganics 2024, 12(8), 214; https://doi.org/10.3390/inorganics12080214 - 8 Aug 2024
Viewed by 991
Abstract
Perovskite solar cells (PSCs) have demonstrated remarkable progress in performance in recent years, which has placed perovskite materials as the leading promising materials for future renewable energy applications. The solvent additive technique in perovskite composition is a simple but effective process used to [...] Read more.
Perovskite solar cells (PSCs) have demonstrated remarkable progress in performance in recent years, which has placed perovskite materials as the leading promising materials for future renewable energy applications. The solvent additive technique in perovskite composition is a simple but effective process used to improve the surface quality of the perovskite layers and to improve the performance and charge transport processes essential to the functions of PSCs. These additives can have a considerable effect on the topography, crystallinity, and surface properties of the perovskite active layer, ultimately influencing the stability of the PSCs. A “two-step spin coating” deposition method to make PSCs in ambient air laboratory conditions was employed. Acetonitrile (ACN) was conventionally utilized as a chemical additive to enhance the performance of PSCs. In this study, our film properties exhibited that the incorporation of ACN in the triple cation perovskite precursor led to the passivation of surface defects and a noticeable increase in the size of the crystal grains of the perovskite films, which led to enhanced stability of devices. The efficiency achieved for PSCs prepared with 10% ACN was 15.35%, which is 30% higher than devices prepared without ACN. In addition, devices prepared with ACN have shown a lower hysteresis index and more stable behavior compared to devices prepared without ACN. This work presents an easy, low-cost method for the fabrication of high performance PSCs prepared under ambient air laboratory conditions. Full article
(This article belongs to the Special Issue The State of the Art of Research on Perovskites Materials)
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17 pages, 22331 KiB  
Article
Growth of KNbO3 Single Crystals by the Flux Method Using KBO2 as a Flux
by Thanh Trung Doan, John G. Fisher, Jong-Sook Lee, Huyen Tran Tran, Jie Gao, Jungwi Mok, Junseong Lee, Andreja Benčan, Goran Dražić, Syed Bilal Junaid and Jae-Hyeon Ko
Inorganics 2024, 12(6), 151; https://doi.org/10.3390/inorganics12060151 - 30 May 2024
Cited by 2 | Viewed by 1233
Abstract
KNbO3 single crystals are grown by the self-flux method using K2CO3 as a flux, but often suffer from discolouration. In this work, KNbO3 single crystals were grown by the flux method using KBO2 as a flux. KNbO [...] Read more.
KNbO3 single crystals are grown by the self-flux method using K2CO3 as a flux, but often suffer from discolouration. In this work, KNbO3 single crystals were grown by the flux method using KBO2 as a flux. KNbO3 powder was prepared by the solid-state reaction of K2CO3 and Nb2O5. KBO2 was fabricated by the reaction of K2B4O7·4H2O and K2CO3. Single crystals of KNbO3 were grown in a Pt crucible and the structure and dielectric properties of the single crystals were investigated. X-ray diffraction showed the KNbO3 single crystals to have an orthorhombic Cmm2 perovskite unit cell at room temperature. The existence of ferroelastic domains was revealed by transmission electron microscopy. Electron probe microanalysis showed the single crystals to be stoichiometric and contain small amounts of B. Differential thermal analysis, Raman scattering and impedance spectroscopy were used to study the phase transitions. KBO2 may be a suitable flux for the growth of KNbO3 single crystals. Full article
(This article belongs to the Special Issue The State of the Art of Research on Perovskites Materials)
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Review

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10 pages, 1251 KiB  
Review
Metal Halide Perovskites for Applications in Biomimetic Devices
by Wending Chu and Lei Su
Inorganics 2024, 12(12), 312; https://doi.org/10.3390/inorganics12120312 - 28 Nov 2024
Viewed by 676
Abstract
Metal halide perovskites have demonstrated exceptional multifunctionality, finding applications in photovoltaics, light-emitting devices and sensors, which has stimulated intense research interest. Recently, their integration into biomimetic devices has emerged as a promising frontier, exploiting the unique optoelectronic properties of perovskites to mimic biological [...] Read more.
Metal halide perovskites have demonstrated exceptional multifunctionality, finding applications in photovoltaics, light-emitting devices and sensors, which has stimulated intense research interest. Recently, their integration into biomimetic devices has emerged as a promising frontier, exploiting the unique optoelectronic properties of perovskites to mimic biological functions. This review provides a comprehensive analysis of recent advances in the use of metal halide perovskites for biomimetic applications, focusing on their role in different device configurations and fabrication techniques. We elucidate the mechanisms that drive their performance and demonstrate their potential as versatile materials for high performance biomimetic devices. By exploring the intricate interplay between material properties and device functionality, we highlight the transformative potential of metal halide perovskites in creating more efficient, adaptable and biologically inspired technologies. Finally, we discuss future research directions to maximise their application scope, with the aim of bridging materials science and bioengineering for innovative device development. Full article
(This article belongs to the Special Issue The State of the Art of Research on Perovskites Materials)
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