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Inorganics
Special Issues
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 1540

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 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

  • perovskite materials
  • synthesis and characterization of perovskites
  • photophysics
  • dielectric
  • ferroelectric
  • piezoelectric
  • optoelectronic
  • energy conversion
  • energy storage
  • catalysis
  • devices

Published Papers (2 papers)

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Research

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 211
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 1 | Viewed by 562
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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