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Research in Perovskite Films
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Research in Perovskite Films

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

Deadline for manuscript submissions: closed (20 August 2024) | Viewed by 1085

Special Issue Editors

Prof. Dr. Ruihao Chen

E-Mail Website
Guest Editor
State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China
Interests: metal-halide hybrid perovskite; interface engineering; crystallization regulation; photovoltaics and light emitting devices; solar cell and light-emitting diode
Dr. Zhou Xing

E-Mail Website
Guest Editor Assistant
College of Chemistry and Materials Science, Fujian Normal University, Fujian 350117, China
Interests: electron/hole transport materials; interfacial materials; photovoltaic devices

Special Issue Information

Dear Colleagues,

Perovskites have been one of the most important emerging research fields in recent years. This Special Issue focuses on perovskite materials, large-area perovskite solar modules, interface engineering, transport materials, stability and encapsulation, and lead-free perovskite devices. From crystallization regulation to scalable fabrication, various types of perovskite solar cells show significant potential and have found extensive applications as BIPV and indoor photovoltaic devices.

In this Special Issue, contributions on several topics are welcome :

  • Structural understanding of perovskite.
  • Novel transport materials design and synthesis.
  • Perovskite crystal growth.
  • Large-area perovskite solar modules.
  • Lead-free perovskite materials and devices.

Experimental and theoretical contributions, as well as related progress summaries and perspectives, are all welcome.

Prof. Dr. Ruihao Chen
Guest Editor
Dr. Zhou Xing
Guest Editor Assistant

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 solar cells
  • large-area perovskite solar modules
  • interface engineering
  • stability and encapsulation
  • lead-free perovskite devices

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Published Papers (1 paper)

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Research

10 pages, 3041 KiB  
Article
Highly Sensitive Temperature Sensors Resulting from the Luminescent Behavior of Sm3+-Doped Ba2MgMoO6 High-Symmetry Double-Perovskite Molybdate Phosphors
by Natalia Miniajluk-Gaweł, Bartosz Bondzior, Maciej Ptak and Przemysław Jacek Dereń
Materials 2024, 17(8), 1897; https://doi.org/10.3390/ma17081897 - 19 Apr 2024
Viewed by 729
Abstract
We present double-perovskite molybdate with the formula of Ba2MgMoO6 doped with Sm3+ ions as a potential red phosphor to improve the color characteristics of white-light-emitting dioded (wLEDs). The new orange–red phosphor was synthesized using the co-precipitation (CP) method, and [...] Read more.
We present double-perovskite molybdate with the formula of Ba2MgMoO6 doped with Sm3+ ions as a potential red phosphor to improve the color characteristics of white-light-emitting dioded (wLEDs). The new orange–red phosphor was synthesized using the co-precipitation (CP) method, and then its structural and spectroscopic properties were determined. Red emission at 642.6 nm dominates, which results from the electric dipole (ED) transition of the 4G5/2 → 6H9/2 type, and the materials are characterized by short luminescence decay times. BMM:Sm3+ is, to our best knowledge, the clearest example of dominant red emission of Sm3+ resulting from the location of the dopant in octahedral sites of high-symmetry cubic structure. In the sample containing 0.1% Sm3+, Sm3+ ions are located in both Mg2+ and Ba2+ sites, while at higher concentrations the Ba2+ site is less preferable for doping, as a result of which the emission becomes more uniform and single-site. The relative sensitivity calculated from FIR has a maximum of 2.7% K−1 at −30 °C and another local maximum of 1.6% K−1 at 75 °C. Such value is, to the best of our knowledge, one of the highest achieved for luminescent thermometry performed using only Sm3+ ions. To sum up, the obtained materials are good candidates as red phosphor to improve the color characteristics of wLEDs, obtaining a color-rendering index (CRI) of 91 and coordinated color temperature (CCT) of 2943 K, constituting a warm white emission. In addition to this, a promising precedent for temperature sensing using high-symmetry perovskite materials is the high sensitivity achieved, which results from the high symmetry of the BMM host. Full article
(This article belongs to the Special Issue Research in Perovskite Films)
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