molecules-logo

Journal Browser

Journal Browser

Design, Synthesis and Properties of Perovskite Solar Cells Materials

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 4732

Special Issue Editors

School of Materials Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing, China
Interests: organic semiconductors; organic–inorganic hybrid perovskite; photovoltaics; magnetic semiconductors

E-Mail Website
Guest Editor
School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, AZ, USA
Interests: organic solar cells; perovskite solar cells

Special Issue Information

Dear Colleagues,

Specific functional materials have been identified as very important components in energy conversion technologies such as solar cells, fuel cells, lithium batteries, as well as capacitors, thin-film transistors, light-emitting diodes, and photo-catalysis. Especially, in the rising perovskite solar cell (PSC) field, many functional materials including perovskite light-harvesting materials, charge-transporting materials, interface materials, perovskite-defect-passivation materials, electrode-modification materials have been developed to address the device efficiency and stability. Although there has been significant progress in efficiency, the device stability and cost issues remain the major challenges in the industrialization of PSCs. Since the industrialization of PSCs has gathered great momentum recently, the development of potential functional and bi-/multiple functional materials is urgently needed in order to improve the device performance with stability in particular, and to reduce the fabrication costs.

The aim of this Special Issue is to collect high-profile articles and reviews developing functional materials towards high-efficiency, stable, and/or low-cost PSCs. Works on novel perovskite materials, hole-transporting materials, electron-transporting materials, perovskite-defect-passivation materials, and other interface modification materials, as well as those on unique film-fabrication methods and theoretical calculation for these materials, will be welcomed and diffused in the widespread Molecules scientific community.

Dr. Weibo Yan
Prof. Dr. Terry Alford
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. Molecules 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 2700 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

  • organic–inorganic hybrid perovskite
  • hole-transporting materials
  • electron-transporting materials
  • passivation materials
  • interface-modification materials
  • electrode
  • solar cells

Published Papers (3 papers)

Order results
Result details
Select all
Export citation of selected articles as:

Research

12 pages, 14633 KiB  
Article
Ultrafast and Large-Scale Fabrication of PEDOT:PSS Nanofilms Using Electrical-Field-Assisted Direct Ink Deposition
by Banashree Gogoi, Carson Gockley, Sushmitha Venu, Yizhen Zhu, Pranith Alluri, Ayinawu Abdul Malik, Mitesh Suhas Despande, Raveena Phadnis, Evangeline Amonoo, Xiangjia Li and Terry L. Alford
Molecules 2023, 28(16), 5989; https://doi.org/10.3390/molecules28165989 - 10 Aug 2023
Cited by 1 | Viewed by 970
Abstract
The importance of conductive polymers has significantly increased over the decade due to their various applications, such as in electronic devices, sensors, and photovoltaics. Poly(3,4-ethylene dioxythiophene) polystyrene sulfonate (PEDOT:PSS) is one of the most successfully and widely used polymers in practical applications. Spin [...] Read more.
The importance of conductive polymers has significantly increased over the decade due to their various applications, such as in electronic devices, sensors, and photovoltaics. Poly(3,4-ethylene dioxythiophene) polystyrene sulfonate (PEDOT:PSS) is one of the most successfully and widely used polymers in practical applications. Spin coating is extensively used to fabricate these conductive films; however, it has disadvantages. It is inherently a batch process with relatively low output and high solution wastage. To address these issues, we developed a novel printing process called electrical-field-assisted direct ink deposition (EF-DID), which yields a continuous, homogenous film with high electrical conductivity. In this process, we studied the formation of nanodroplets under an electrical field and their effects on film characteristics. Furthermore, dimethyl sulfoxide (DMSO) was considered as an additive solvent to increase the conductivity and wettability of the films. We then compared EF-DID-printed PEDOT:PSS films with spin-coated films to better understand the film properties. Finally, inverted perovskite solar cell devices were fabricated and compared, where the PEDOT:PSS layers were prepared by EF-DID printing and spin coating. Based on the experimental results, a solution of 20% PEDOT:PSS in DMSO (vol/vol) printed by EF-DID for 15 s provided optimal morphology. Full article
(This article belongs to the Special Issue Design, Synthesis and Properties of Perovskite Solar Cells Materials)
Show Figures

Graphical abstract

14 pages, 4175 KiB  
Article
Quantifying and Reducing Ion Migration in Metal Halide Perovskites through Control of Mobile Ions
by Saivineeth Penukula, Rodrigo Estrada Torrejon and Nicholas Rolston
Molecules 2023, 28(13), 5026; https://doi.org/10.3390/molecules28135026 - 27 Jun 2023
Cited by 3 | Viewed by 2036
Abstract
The presence of intrinsic ion migration in metal halide perovskites (MHPs) is one of the main reasons that perovskite solar cells (PSCs) are not stable under operation. In this work, we quantify the ion migration of PSCs and MHP thin films in terms [...] Read more.
The presence of intrinsic ion migration in metal halide perovskites (MHPs) is one of the main reasons that perovskite solar cells (PSCs) are not stable under operation. In this work, we quantify the ion migration of PSCs and MHP thin films in terms of mobile ion concentration (No) and ionic mobility (µ) and demonstrate that No has a larger impact on device stability. We study the effect of small alkali metal A-site cation additives (e.g., Na+, K+, and Rb+) on ion migration. We show that the influence of moisture and cation additive on No is less significant than the choice of top electrode in PSCs. We also show that No in PSCs remains constant with an increase in temperature but μ increases with temperature because the activation energy is lower than that of ion formation. This work gives design principles regarding the importance of passivation and the effects of operational conditions on ion migration. Full article
(This article belongs to the Special Issue Design, Synthesis and Properties of Perovskite Solar Cells Materials)
Show Figures

Figure 1

12 pages, 13010 KiB  
Article
Synthesis, Properties, and Application of Small-Molecule Hole-Transporting Materials Based on Acetylene-Linked Thiophene Core
by Hui-Juan Yu, Jing Xiao, Jian Chen, Xuefeng Ren, Ya-E Qi, Xuemei Min and Guang Shao
Molecules 2023, 28(9), 3739; https://doi.org/10.3390/molecules28093739 - 26 Apr 2023
Cited by 1 | Viewed by 1133
Abstract
Three small molecule organic compounds based on conjugated acetylene-linked methoxy triphenylamine terminal groups with different substituted thiophene cores were synthesized and firstly applied as hole-transporting materials (HTMs). The electron-deficient acetylene linkers can tune the energy levels of frontier molecular orbitals. The physical property [...] Read more.
Three small molecule organic compounds based on conjugated acetylene-linked methoxy triphenylamine terminal groups with different substituted thiophene cores were synthesized and firstly applied as hole-transporting materials (HTMs). The electron-deficient acetylene linkers can tune the energy levels of frontier molecular orbitals. The physical property measurements show that the HTMs (CJ-05, CJ-06, and CJ-07) possess good stability, hydrophobicity, and film-forming ability. Further, the HTMs were applied in the MAPbI3-based perovskite solar cells (PSCs), and the best power conversion efficiency (PCE) of 6.04%, 6.77%, and 6.48% was achieved, respectively, which implies that they exhibit great potential in photovoltaic applications. Full article
(This article belongs to the Special Issue Design, Synthesis and Properties of Perovskite Solar Cells Materials)
Show Figures

Figure 1

Back to TopTop