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Micromachines
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Advances in Perovskite Devices
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Advances in Perovskite Devices

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A：Physics".

Deadline for manuscript submissions: closed (15 August 2022) | Viewed by 8621

Special Issue Editors

Dr. Gopi Chandra Adhikari

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Guest Editor
Department of Chemistry, University of Nebraska Lincoln, Lincoln, NE 68588, USA
Interests: perovskites and other semiconducting materials; materials characterization; optoelectronic devices; electronics; nanotechnology; renewable energy sources
Dr. Dhruba B. Khadka

E-Mail Website
Guest Editor
Photovoltaic Materials Group, National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
Interests: halide perovskites-based semiconductor; chalcogenide semiconductors; non-toxic PV Materials; PV devices; carrier transport materials; optoelectronic characterizations; photophysics
Dr. Amrit Kaphle

E-Mail Website
Guest Editor
Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
Interests: photovoltaic; nanomaterials; thin films; perovskites materials; X-ray imaging; photonic devices; material characterization; radiation physics

Special Issue Information

Dear Colleagues,

Halide Perovskites (HPs) have recently drawn attention as some of the most promising materials due to their excellent optoelectronic properties and solution processability. These properties led them to major breakthroughs in lighting devices including light-emitting diodes (LEDs), photovoltaic cells, lasers, and detectors with performances exceeding current state-of-the-art commercial technologies. This Special Issue of Micromachines will highlight recent advances on devices based on halide/pseudohalide perovskites (single, double, lead-in or free, any dimensional HPs) with a focus on synthesis, degradation phenomena, halides exchange, device engineering and development, characterization, and device modeling (simulation), and related review papers. We invite contributions to the developments of devices including LEDs, solar cells, lasers, detectors, X-ray imaging, photonic devices, and integrated devices.

Topics to be covered include, but are not limited to:

  • Lead/lead-free halide/pseudohalide perovskites;
  • HPs fundamental properties;
  • Synthesis techniques of perovskites;
  • Perovskite’s thin films, LEDs, photovoltaics, lasers, photodetectors, X-ray imaging, photonic devices, flexible and integrated devices;
  • Low/high temperature/pressure study of perovskites;
  • Perovskite’s dynamics and tunable photonic platforms;
  • Device simulation.

Dr. Gopi Chandra Adhikari
Dr. Dhruba B. Khadka
Dr. Amrit Kaphle
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. Micromachines 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 2100 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

  • halide/pseudohalide perovskite
  • scalable fabrication
  • device fabrication
  • thin film
  • nanoparticles
  • lead-free/depleted perovskite
  • luminescent material
  • defect finding
  • degradation mechanism
  • anion exchange
  • stability
  • efficiency enhancement
  • device modeling

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

13 pages, 2280 KiB  
Article
High Power-Conversion Efficiency of Lead-Free Perovskite Solar Cells: A Theoretical Investigation
by Ahmad Umar, Sadanand, Pravin Kumar Singh, D. K. Dwivedi, Hassan Algadi, Ahmed A. Ibrahim, Mohsen A. M. Alhammai and Sotirios Baskoutas
Micromachines 2022, 13(12), 2201; https://doi.org/10.3390/mi13122201 - 12 Dec 2022
Cited by 26 | Viewed by 3266
Abstract
Solar cells based on lead-free perovskite have demonstrated great potential for next-generation renewable energy. The SCAPS-1D simulation software was used in this study to perform novel device modelling of a lead-free perovskite solar cell of the architecture ITO/WS2/CH3NH3 [...] Read more.
Solar cells based on lead-free perovskite have demonstrated great potential for next-generation renewable energy. The SCAPS-1D simulation software was used in this study to perform novel device modelling of a lead-free perovskite solar cell of the architecture ITO/WS2/CH3NH3SnI3/P3HT/Au. For the performance evaluation, an optimization process of the different parameters such as thickness, bandgap, doping concentration, etc., was conducted. Extensive optimization of the thickness and doping density of the absorber and electron transport layer resulted in a maximum power-conversion efficiency of 33.46% for our designed solar cell. Because of the short diffusion length and higher defect density in thicker perovskite, an absorber thickness of 1.2 µm is recommended for optimal solar cell performance. Therefore, we expect that our findings will pave the way for the development of lead-free and highly effective perovskite solar cells. Full article
(This article belongs to the Special Issue Advances in Perovskite Devices)
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10 pages, 2264 KiB  
Article
Modeling and Simulation of Tin Sulfide (SnS)-Based Solar Cell Using ZnO as Transparent Conductive Oxide (TCO) and NiO as Hole Transport Layer (HTL)
by Ahmad Umar, Pooja Tiwari, Sadanand, Vaibhava Srivastava, Pooja Lohia, Dilip Kumar Dwivedi, Hussam Qasem, Sheikh Akbar, Hassan Algadi and Sotirios Baskoutas
Micromachines 2022, 13(12), 2073; https://doi.org/10.3390/mi13122073 - 25 Nov 2022
Cited by 27 | Viewed by 2688
Abstract
This paper describes the simulation by Solar Cell Capacitance Simulator-1D (SCAPS-1D) software of ZnO/CdS/SnS/NiO/Au solar cells, in which zinc oxide (ZnO) is used as transparent conductive oxide (TCO) and nickel oxide (NiO) is used as a hole transport layer (HTL). The effects of [...] Read more.
This paper describes the simulation by Solar Cell Capacitance Simulator-1D (SCAPS-1D) software of ZnO/CdS/SnS/NiO/Au solar cells, in which zinc oxide (ZnO) is used as transparent conductive oxide (TCO) and nickel oxide (NiO) is used as a hole transport layer (HTL). The effects of absorber layer (SnS) thickness, carrier concentration, SnS defect density, NiO HTL, ZnO TCO, electron affinity and work function on cell performance have been evaluated. The effect of interface defect density of SnS/CdS on the performance of the heterojunction solar cell is also analysed. As the results indicate, a maximum power conversion efficiency of 26.92% was obtained. Full article
(This article belongs to the Special Issue Advances in Perovskite Devices)
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9 pages, 2830 KiB  
Article
Enhanced Performance of Perovskite Light-Emitting Diodes via Phenylmethylamine Passivation
by Shisong Yu, Kai Zhang, Xiangcheng Cai, Peng Tu, Yuanming Zhou and Fei Mei
Micromachines 2022, 13(11), 1857; https://doi.org/10.3390/mi13111857 - 29 Oct 2022
Viewed by 2159
Abstract
Organic-inorganic perovskite materials are widely used in the preparation of light-emitting diodes due to their low raw material cost, solution preparation, high color purity, high fluorescence quantum yield, continuously tunable spectrum, and excellent charge transport properties. It has become a research hotspot in [...] Read more.
Organic-inorganic perovskite materials are widely used in the preparation of light-emitting diodes due to their low raw material cost, solution preparation, high color purity, high fluorescence quantum yield, continuously tunable spectrum, and excellent charge transport properties. It has become a research hotspot in the field of optoelectronics today. At present, the nonradiative recombination and fluorescence quenching occurring at the interface between the device transport layer and the light-emitting layer are still important factors limiting the performance of perovskite light-emitting diodes (PeLEDs). In this work, based on CH3NH3PbBr3 perovskite, the effects of parameters such as precursor solution, anti-solvent chlorobenzene (CB), and small amine molecule phenylmethylamine (PMA) on the performance of perovskite films and devices were investigated. The research results show that adding an appropriate amount of PMA can reduce the grain size of perovskite, improve the coverage of the film, enhance the crystallinity of the film, and increase the fluorescence intensity of the perovskite film. When the PMA content is 0.050 vol.%, the maximum luminance of PeLEDs is 2098 cd/m2 and the maximum current efficiency is 1.592 cd/A, which is greatly improved by 30% and 64.8% compared with the reference device without PMA doping. These results suggest that an appropriate amount of PMA can effectively passivate the defects in perovskite films, and inhibit the non-radiative recombination caused by the traps, thereby improving the optoelectronic performance of the device. Full article
(This article belongs to the Special Issue Advances in Perovskite Devices)
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