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Crystals
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Effect of Solvents and Solution Chemistry on the Properties of...
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Effect of Solvents and Solution Chemistry on the Properties of Perovskite Solar Cells

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: 10 May 2024 | Viewed by 2837

Special Issue Editors

Dr. Zhanglin Guo

E-Mail Website
Guest Editor
International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, Motooka 744, Nishiku, Fukuoka, Japan
Interests: perovskite solar cells; indoor photovoltaics
Dr. Gyumin Kim

E-Mail Website
Guest Editor
Faculty of Food Biotechnology & Chemical Engineering, Hankyong National University, Anseong 17579, Gyeonggi-do, Republic of Korea
Interests: perovskite solar cells

Special Issue Information

Dear Colleagues,

Despite the relatively short history of perovskite solar cells (PSCs), their power conversion efficiencies (PCEs) have steadily increased, reaching over 25%. However, among a range of fabrication methods for PSCs, the use of organic solvents in each layer is still limited. N,N-Dimethylformamide and Dimethyl sulfoxide are the most commonly used solvents for the perovskite precursor, while chlorobenzene is frequently used in both the electron transport and hole transport layers. Recently, new solvents such as N-methylpyrrolidone and trichloroethane have been explored, demonstrating superior PCEs compared to conventional solvents. Nonetheless, the precise optimization conditions and working mechanisms of these diverse organic solvents in PSCs remain unclear.

This Special Issue is focused on investigating the effect of solvent and solution chemistry on the properties of perovskite solar cells. We cordially invite you to submit your original research articles and reviews to this Special Issue.

Dr. Zhanglin Guo
Dr. Gyumin Kim
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. Crystals 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 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 cell
  • organic solvents
  • working mechanism
  • power conversion efficiency

Published Papers (2 papers)

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Research

11 pages, 4542 KiB  
Article
An Alternative to Chlorobenzene as a Hole Transport Materials Solvent for High-Performance Perovskite Solar Cells
by Seung Ho Lee, Seong Bin Lim, Jin Young Kim, Seri Lee, Se Young Oh and Gyu Min Kim
Crystals 2023, 13(12), 1667; https://doi.org/10.3390/cryst13121667 - 07 Dec 2023
Viewed by 1038
Abstract
Spiro-OMeTAD is a widely used hole-transporting layer (HTL) material, characterized by high hole mobility and good film-forming properties, in perovskite solar cells (PSCs). However, this material has high synthesis costs, low solubility, dependence on hygroscopic dopants, and a low commercial potential. Recently, we [...] Read more.
Spiro-OMeTAD is a widely used hole-transporting layer (HTL) material, characterized by high hole mobility and good film-forming properties, in perovskite solar cells (PSCs). However, this material has high synthesis costs, low solubility, dependence on hygroscopic dopants, and a low commercial potential. Recently, we investigated alternative materials with good solubility, simple synthetic methods, and good electrical characteristics for use as hole transport materials (HTM) in triple-cation PSCs. Herein, (E,E,E,E)-4,4′,4″,4′″-[Benzene-1,2,4,5-tetrayltetrakis(ethene-2,1-diyl)]tetrakis[N,N-bis(4-methoxyphenyl)aniline], which has a small molecular weight and similar properties to Spiro-OMeTAD, was assessed for use as a HTM via a pre-test of device performance, including its electrical properties, surface morphology, and coating process method, with PSC efficiencies routinely surpassing 20%. A remarkable open-circuit voltage of 1.111, along with a photovoltaic efficiency of 20.18% was obtained in PSCs using this HTM with dichloromethane (DCM) instead of chlorobenzene, indicative of its potential for the fabrication of resistance components with improved surface uniformity. These results provide insights into DCM as an efficient solvent for small molecule-based HTM. Full article
(This article belongs to the Special Issue Effect of Solvents and Solution Chemistry on the Properties of Perovskite Solar Cells)
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16 pages, 3087 KiB  
Article
Designing an Efficient Lead-Free Perovskite Solar Cell through a Computational Method
by Sagar Bhattarai, P. K. Kalita, Ismail Hossain, Abdullah Saad Alsubaie, Khaled Hussein Mahmoud, Mohd Zahid Ansari and Petr Janicek
Crystals 2023, 13(8), 1175; https://doi.org/10.3390/cryst13081175 - 28 Jul 2023
Cited by 3 | Viewed by 1392
Abstract
Organometallic halide perovskite (PVK)-based solar cells (PSC) have gained significant popularity owing to their efficiency, adaptability, and versatility. However, the presence of lead in conventional PVK poses environmental risks and hinders effective commercialization. Although lead-free PVK solar cells have been developed, their conversion [...] Read more.
Organometallic halide perovskite (PVK)-based solar cells (PSC) have gained significant popularity owing to their efficiency, adaptability, and versatility. However, the presence of lead in conventional PVK poses environmental risks and hinders effective commercialization. Although lead-free PVK solar cells have been developed, their conversion efficiency is limited due to intrinsic losses. To address this challenge, we present a simulation study focusing on methylammonium tin bromide (MASnBr3) as an alternative material. In our investigation, the MASnBr3 layers are strategically placed between a copper iodide (CuI)-based hole transporting material (HTM) and a zinc oxide (ZnO)-based electron transporting material (ETM). We optimize the active layer thickness, operating temperature, defect density analysis, and series resistances to assess device performance. Furthermore, we employ contour mapping, considering both thickness and defect density, for a detailed investigation. Our primary objective is to achieve unprecedented efficiency in lead-free MASnBr3-based PSCs. Remarkably, our study achieves the highest JSC (short-circuit current density) of 34.09 mA/cm2, VOC (open-circuit voltage) of 1.15 V, FF (fill factor) of 82.06%, and optimized conversion efficiency of 32.19%. These advancements in conversion efficiency pave the way for the development of lead-free PVK solar cells in the desired direction. Full article
(This article belongs to the Special Issue Effect of Solvents and Solution Chemistry on the Properties of Perovskite Solar Cells)
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