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Chemical Properties of Photoelectric Materials
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Chemical Properties of Photoelectric Materials

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

Deadline for manuscript submissions: 30 September 2024 | Viewed by 866

Special Issue Editor

Dr. Liangang **ao

E-Mail Website1 Website2
Guest Editor
School of Materials and Energy, Guangdong University of Technology, Guangzhou, China
Interests: organic solar cells; perovskite solar cells; polyimide; flexible electronics; photodetector
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Solution-processed organic solar cells have emerged as a promising energy technology alternative owing to the great potential in the fabrication of low-cost, light-weight, large-area. Thanks to the rapid development of nonfullerene acceptors, the power conversion efficiency of state-of-the-art organic solar cells has surpassed 18% when using Y6 derivatives as the electron acceptors, indicating the bright future of the practical applications of solution-processed organic solar cells.

This Special Issue aims to cover recent progress and trends of materials in the field of organic solar cells. We seek full research articles, short communications, and reviews related, but not limited, to the topics listed below:

  1. The utilization of novel organic solar cells for light harvesting and energy conversion
  2. Design of electron donors
  3. Design of electron acceptors
  4. Design of interface materials for charge transport
  5. Multicomponent solar cell 
  6. Tandem solar cell
  7. Photovoltaic module

Dr. Liangang **ao
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net 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 solar cells
  • electron donors
  • electron acceptors
  • multicomponent solar cell
  • tandem solar cell
  • photovoltaic module

Published Papers (2 papers)

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Research

11 pages, 2511 KiB  
Article
Layer-by-Layer-Processed All-Polymer Solar Cells with Enhanced Performance Enabled by Regulating the Microstructure of Upper Layer
by Yixuan Wu, Peng Li, Shiqi Yu, Yonggang Min and Liangang **ao
Molecules 2024, 29(12), 2879; https://doi.org/10.3390/molecules29122879 - 17 Jun 2024
Viewed by 327
Abstract
The layer-by-layer (LBL) fabrication method allows for controlled microstructure morphology and vertical component distribution, and also offers a reproducible and efficient technique for fabricating large-scale organic solar cells (OSCs). In this study, the polymers D18 and PYIT-OD are employed to fabricate all-polymer solar [...] Read more.
The layer-by-layer (LBL) fabrication method allows for controlled microstructure morphology and vertical component distribution, and also offers a reproducible and efficient technique for fabricating large-scale organic solar cells (OSCs). In this study, the polymers D18 and PYIT-OD are employed to fabricate all-polymer solar cells (all-PSCs) using the LBL method. Morphological studies reveal that the use of additives optimizes the microstructure of the active layer, enhancing the cells’ crystallinity and charge transport capability. The optimized device with 2% CN additive significantly reduces bimolecular recombination and trap-assisted recombination. All-PSCs fabricated by the LBL method based on D18/PYIT-OD deliver a power conversion efficiency (PCE) of 15.07%. Our study demonstrates the great potential of additive engineering via the LBL fabrication method in regulating the microstructure of active layers, suppressing charge recombination, and enhancing the photovoltaic performance of devices. Full article
(This article belongs to the Special Issue Chemical Properties of Photoelectric Materials)
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18 pages, 4400 KiB  
Article
Theoretical Study and Analysis of CsSnX3 (X = Cl, Br, I) All-Inorganic Perovskite Solar Cells with Different X-Site Elements
by Shiyu Yuan, Zhenzhen Li, Yitong Wang and Hang Zhao
Molecules 2024, 29(11), 2599; https://doi.org/10.3390/molecules29112599 - 31 May 2024
Viewed by 314
Abstract
In this research, SCAPS-1D simulation software (Version: 3.3.10) was employed to enhance the efficiency of CsSnX3 (X = Cl, Br, I) all-inorganic perovskite solar cells. By fine-tuning essential parameters like the work function of the conductive glass, the back contact point, defect [...] Read more.
In this research, SCAPS-1D simulation software (Version: 3.3.10) was employed to enhance the efficiency of CsSnX3 (X = Cl, Br, I) all-inorganic perovskite solar cells. By fine-tuning essential parameters like the work function of the conductive glass, the back contact point, defect density, and the thickness of the light absorption layer, we effectively simulated the optimal performance of CsSnX3 (X = Cl, Br, I) all-inorganic perovskite solar cells under identical conditions. The effects of different X-site elements on the overall performance of the device were also explored. The theoretical photoelectric conversion efficiency of the device gradually increases with the successive substitution of halogen elements (Cl, Br, I), reaching 6.09%, 17.02%, and 26.74%, respectively. This trend is primarily attributed to the increasing size of the halogen atoms, which leads to better light absorption and charge transport properties, with iodine (I) yielding the highest theoretical conversion efficiency. These findings suggest that optimizing the halogen element in CsSnX3 can significantly enhance device performance, providing valuable theoretical guidance for the development of high-efficiency all-inorganic perovskite solar cells. Full article
(This article belongs to the Special Issue Chemical Properties of Photoelectric Materials)
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