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Metal Halide Perovskites and Their Applications in Light-Emitting Diodes and...
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Metal Halide Perovskites and Their Applications in Light-Emitting Diodes and Solar Cells

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (31 August 2024) | Viewed by 2930

Special Issue Editor

Dr. Min Lu

E-Mail Website
Guest Editor
State Key Laboratory of Integrated Optoelectronics and College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
Interests: perovskite; nanocrystal; polycrystalline film; colloidal quantum dots; optoelectronic device; light-emiting diode; laser

Special Issue Information

Dear Colleagues,

Metal halide perovskites, in the form of both colloidal nanocrystals (NCs) and thin films, possess excellent optoelectronic properties, such as a high charge carrier mobility, excellent light absorption capability, tunable emission wavelength, narrow emission linewidth, and intrinsically high photoluminescence quantum yield. These advantages mean that perovskites can be used in wide color gamut light-emitting diodes (LEDs) with a good color purity and surpass the Shockley–Queisser limit and further boost the efficiency of tandem devices of solar cells.

This Special Issue will present research on the synthesis of perovskites and their application in LEDs and solar cells. We invite authors to contribute original research articles and review articles covering the current progress on high-efficiency and stable perovskite materials and their application in LEDs and solar cells. The potential topics include, but are not limited to:

the synthesis and shape modulation of perovskite NCs, defect chemistry on perovskite surfaces, the interfacial properties of perovskite with adjacent charge transport layers (CTL), the contact properties between CTL and CTL/electrodes, and the microscopic structure–property–performance relationship of devices.

Dr. Min Lu
Guest Editor

Manuscript Submission Information

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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. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • metal halide perovskite
  • light-emitting diodes
  • solar cells
  • defect chemistry
  • microscopic structure
  • interfacial properties
  • charge transport layers

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Published Papers (3 papers)

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Research

18 pages, 1182 KiB  
Article
Dynamics of Photoinduced Charge Carriers in Metal-Halide Perovskites
by András Bojtor, Dávid Krisztián, Ferenc Korsós, Sándor Kollarics, Gábor Paráda, Márton Kollár, Endre Horváth, Xavier Mettan, Bence G. Márkus, László Forró and Ferenc Simon
Nanomaterials 2024, 14(21), 1742; https://doi.org/10.3390/nano14211742 - 30 Oct 2024
Viewed by 782
Abstract
The measurement and description of the charge-carrier lifetime (τc) is crucial for the wide-ranging applications of lead-halide perovskites. We present time-resolved microwave-detected photoconductivity decay (TRMCD) measurements and a detailed analysis of the possible recombination mechanisms including trap-assisted, radiative, and Auger [...] Read more.
The measurement and description of the charge-carrier lifetime (τc) is crucial for the wide-ranging applications of lead-halide perovskites. We present time-resolved microwave-detected photoconductivity decay (TRMCD) measurements and a detailed analysis of the possible recombination mechanisms including trap-assisted, radiative, and Auger recombination. We prove that performing injection-dependent measurement is crucial in identifying the recombination mechanism. We present temperature and injection level dependent measurements in CsPbBr3, which is the most common inorganic lead-halide perovskite. In this material, we observe the dominance of charge-carrier trapping, which results in ultra-long charge-carrier lifetimes. Although charge trapping can limit the effectiveness of materials in photovoltaic applications, it also offers significant advantages for various alternative uses, including delayed and persistent photodetection, charge-trap memory, afterglow light-emitting diodes, quantum information storage, and photocatalytic activity. Full article
(This article belongs to the Special Issue Metal Halide Perovskites and Their Applications in Light-Emitting Diodes and Solar Cells)
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12 pages, 2485 KiB  
Article
Spectral Control by Silver Nanoparticle-Based Metasurfaces for Mitigation of UV Degradation in Perovskite Solar Cells
by Silvia Delgado-Rodríguez, Eva Jaldo Serrano, Mahmoud H. Elshorbagy, Javier Alda, Gonzalo del Pozo and Alexander Cuadrado
Nanomaterials 2024, 14(19), 1582; https://doi.org/10.3390/nano14191582 - 30 Sep 2024
Viewed by 600
Abstract
Perovskite solar cells are considered to be one of the most promising solar cell designs in terms of photovoltaic efficiency. However, their practical deployment is strongly affected by their short lifetimes, mostly caused by environmental conditions and UV degradation. In this contribution, we [...] Read more.
Perovskite solar cells are considered to be one of the most promising solar cell designs in terms of photovoltaic efficiency. However, their practical deployment is strongly affected by their short lifetimes, mostly caused by environmental conditions and UV degradation. In this contribution, we present a metasurface made of silver nanoparticles used as a UV filter on a perovskite solar cell. The UV-blocking layer was fabricated and morphologically and compositionally analyzed. Its optical response, in terms of optical transmission, was also experimentally measured. These results were compared with simulations made through the use of a well-proven computational electromagnetism model. After analyzing the discrepancies between the experimental and simulated results and checking those obtained from electron beam microscopy and electron dispersion spectroscopy, we could see that a residue from fabrication, sodium citrate, strongly modified the optical response of the system, generating a redshift of about 50 nm. Then, we proposed and simulated the optical behavior of core–shell nanoparticles made of silver and silica. The calculated spectral absorption at the active perovskite layer shows how the appropriate selection of the geometrical parameters of these core–shell particles is able to tune the absorption at the active layer by removing a significant portion of the UV band and reducing the absorption of the active layer from 90% to 5% at a resonance wavelength of 403 nm. Full article
(This article belongs to the Special Issue Metal Halide Perovskites and Their Applications in Light-Emitting Diodes and Solar Cells)
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14 pages, 5603 KiB  
Article
Investigation of Perovskite Solar Cells Using Guanidinium Doped MAPbI3 Active Layer
by Ting-Chun Chang, Ching-Ting Lee and Hsin-Ying Lee
Nanomaterials 2024, 14(8), 657; https://doi.org/10.3390/nano14080657 - 10 Apr 2024
Viewed by 1145
Abstract
In this work, guanidinium (GA+) was doped into methylammonium lead triiodide (MAPbI3) perovskite film to fabricate perovskite solar cells (PSCs). To determine the optimal formulation of the resulting guanidinium-doped MAPbI3 ((GA)x(MA)1−xPbI3) for [...] Read more.
In this work, guanidinium (GA+) was doped into methylammonium lead triiodide (MAPbI3) perovskite film to fabricate perovskite solar cells (PSCs). To determine the optimal formulation of the resulting guanidinium-doped MAPbI3 ((GA)x(MA)1−xPbI3) for the perovskite active layer in PSCs, the perovskite films with various GA+ doping concentrations, annealing temperatures, and thicknesses were systematically modulated and studied. The experimental results demonstrated a 400-nm-thick (GA)x(MA)1−xPbI3 film, with 5% GA+ doping and annealed at 90 °C for 20 min, provided optimal surface morphology and crystallinity. The PSCs configured with the optimal (GA)x(MA)1−xPbI3 perovskite active layer exhibited an open-circuit voltage of 0.891 V, a short-circuit current density of 24.21 mA/cm2, a fill factor of 73.1%, and a power conversion efficiency of 15.78%, respectively. Furthermore, the stability of PSCs featuring this optimized (GA)x(MA)1−xPbI3 perovskite active layer was significantly enhanced. Full article
(This article belongs to the Special Issue Metal Halide Perovskites and Their Applications in Light-Emitting Diodes and Solar Cells)
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