Perovskite Materials and Optoelectronic Applications

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optoelectronics and Optical Materials".

Deadline for manuscript submissions: closed (10 July 2023) | Viewed by 6340

Special Issue Editor


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Guest Editor
Department of Chemistry, National University of Singapore, Singapore, Singapore
Interests: perovskite solar cells; perovskite light emitting diodes; thin film deposition; photoluminescence; photovoltaic

Special Issue Information

Dear Colleagues,

Perovskite materials exhibit intriguing and unusual physical properties that have been extensively studied for both practical applications and theoretical modeling and the material science and applications of perovskites have been a broad research area open to many revolutionary discoveries for new device concepts. Perovskite’s potential applications are varied and include uses in sensors and catalyst electrodes, certain types of fuel cells, solar cells, lasers, memory devices, and spintronics applications. The perovskite lattice arrangement can be described as a large atomic or molecular cation (positively charged) of type A in the center of a cube. The corners of the cube are then occupied by atom B (also positively charged cations) and the faces of the cube are occupied by a smaller atom X with a negative charge (anion).

Over the past decade, in particular, perovskite optoelectronic applications have attracted tremendous interest from the academic community, becoming a leading trend in optoelectronics. Advances in the fundamental understanding of perovskites’ chemical and physical processes rendered them an attractive class of material for many researchers. In parallel, engineering developments on the architecture and fabrication methods of perovskite-based solar cells and light-emitting diodes are becoming increasingly interesting for the industry.

This Special Issue aims to present state-of-the-art articles on theoretical and experimental studies on the generation, propagation, and measurement of perovskite materials, and applications of perovskites. Topics include, but are not limited to:

  • Perovskite solar cells;
  • Novel perovskite materials;
  • Perovskite LEDs;
  • Thin films;
  • Applications of perovskite;
  • Theoretical modeling of perovskite;
  • Perovskite devices;
  • Perovskite quantum dots.

Dr. Chenchao Xie
Guest Editor

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Keywords

  • perovskite solar cells
  • novel perovskite materials
  • perovskite LEDs
  • thin film
  • applications of perovskite
  • theoretical modeling of perovskite
  • perovskite devices
  • perovskite quantum dots

Published Papers (2 papers)

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Research

8 pages, 1480 KiB  
Communication
High-Responsivity Planar Photodetector Based on Methylammonium Lead Bromide Perovskite Thin Film
by Pavlo Mai, Julien Houel, Nathan Dreveton, Benoit Mahler and Alban Gassenq
Photonics 2023, 10(9), 1043; https://doi.org/10.3390/photonics10091043 - 14 Sep 2023
Viewed by 4276
Abstract
We have fabricated planar interdigitated photodetectors exhibiting high responsivity. These detectors are based on thin layers of methylammonium lead bromide (MAPbBr3) at 90 nm thickness. MAPbBr3 thin films were first characterized on glass (borosilicate) substrates using absorption and photoluminescence measurements [...] Read more.
We have fabricated planar interdigitated photodetectors exhibiting high responsivity. These detectors are based on thin layers of methylammonium lead bromide (MAPbBr3) at 90 nm thickness. MAPbBr3 thin films were first characterized on glass (borosilicate) substrates using absorption and photoluminescence measurements showing a high absorption edge at 521 nm and strong emission at 530 nm, as expected. MAPbBr3 thin films were then deposited on top of interdigitated electrodes, hence producing planar photodetectors with responsivity up to 0.4 A/W. Such higher performances were attributed to the interdigitated design, low crack density (0.05 µm−2), and lower resistivity (20 MΩ.cm) compared to MAPbBr3 single crystal. Therefore, this work highlights MAPbBr3 thin films as very promising for photodetection applications. Full article
(This article belongs to the Special Issue Perovskite Materials and Optoelectronic Applications)
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13 pages, 10061 KiB  
Communication
A Blue-Light-Emitting 3 nm-Sized CsPbBr3 Perovskite Quantum Dot with ZnBr2 Synthesized by Room-Temperature Supersaturated Recrystallization
by Dula Adugna Idosa, Mulualem Abebe, Dhakshnamoorthy Mani, Aparna Thankappan, Sabu Thomas, Fekadu Gochole Aga and Jung Yong Kim
Photonics 2023, 10(7), 802; https://doi.org/10.3390/photonics10070802 - 11 Jul 2023
Cited by 2 | Viewed by 1706
Abstract
Recently, tuning the green emission of CsPbBr3 quantum dots (QDs) to blue through quantum size and confinement effects has received considerable attention due to its remarkable photophysical properties. However, the synthesis of such a blue-emitting QD has been challenging. Herein, supersaturated recrystallization [...] Read more.
Recently, tuning the green emission of CsPbBr3 quantum dots (QDs) to blue through quantum size and confinement effects has received considerable attention due to its remarkable photophysical properties. However, the synthesis of such a blue-emitting QD has been challenging. Herein, supersaturated recrystallization was successfully implemented at room temperature to synthesize a broadband blue-emitting ZnBr2-doped CsPbBr3 QD with an average size of ~3 nm covering the blue spectrum. The structural and optical properties of CsPbBr3 QDs demonstrated that QD particle size may decrease by accommodating ZnBr2 dopants into the perovskite precursor solution. Energy-dispersive spectroscopy confirmed the presence of zinc ions with the QDs. This work provides a new strategy for synthesizing strongly quantum-confined QD materials for photonic devices such as light-emitting diodes and lighting. Full article
(This article belongs to the Special Issue Perovskite Materials and Optoelectronic Applications)
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