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Polymers
Special Issues
Polymer Strategies in Organic and Perovskite Solar Cells
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Polymer Strategies in Organic and Perovskite Solar Cells

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (25 August 2023) | Viewed by 9578

Special Issue Editors

Prof. Dr. Shangshang Chen

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
Interests: solar cells and solar fuels; materials chemistry; energy conversion
Prof. Dr. He Yan

E-Mail Website
Guest Editor
The Hong Kong University of Science and Technology Clear Water Bay, Kowloon, Hong Kong
Interests: organic solar cells; polymer solar cells; organic transistors; organic electronics

Special Issue Information

Dear Colleagues,

Polymeric materials have a wide range of applications in the field of organic and perovskite solar cells, including polymer donors/acceptors, charge-transporting layers, interfacial materials, etc. The design strategies of the functional polymers are crucial for developing more efficient solar cells. Although these solar technologies are near commercialization, rational polymer design strategies are still desired to address the issues that impede the commercialization of organic/perovskite solar cells—stability issues in particular. This Special Issue aims to present the recent progress and fundamental aspects of polymer design strategies in organic and perovskite solar cells, and seeks contributions to assess the state-of-the-art and future developments in this field. The topics of interest for this Special Issue include but are not limited to the keywords listed below. Please do not hesitate to submit a paper whose topic is not explicitly mentioned in this list.

Prof. Dr. Shangshang Chen
Prof. Dr. He Yan
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. Polymers 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/perovskite solar cells
  • polymer donors
  • polymer acceptors
  • polymeric interface materials
  • polymer design
  • structure-property relationship
  • aggregation and crystallization
  • stability
  • encapsulation
  • polymer thermodynamics

Published Papers (4 papers)

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Research

12 pages, 4850 KiB  
Article
Solution-Processable NiOx:PMMA Hole Transport Layer for Efficient and Stable Inverted Organic Solar Cells
by Tianyu Kong, Genjie Yang, Pu Fan and Junsheng Yu
Polymers 2023, 15(8), 1875; https://0-doi-org.brum.beds.ac.uk/10.3390/polym15081875 - 14 Apr 2023
Cited by 4 | Viewed by 2272
Abstract
For organic solar cells (OSCs), nickel oxide (NiOx) is a potential candidate as the hole transport layer (HTL) material. However, due to the interfacial wettability mismatch, developing solution-based fabrication methods of the NiOx HTL is challenging for OSCs with inverted [...] Read more.
For organic solar cells (OSCs), nickel oxide (NiOx) is a potential candidate as the hole transport layer (HTL) material. However, due to the interfacial wettability mismatch, developing solution-based fabrication methods of the NiOx HTL is challenging for OSCs with inverted device structures. In this work, by using N, N-dimethylformamide (DMF) to dissolve poly(methyl methacrylate) (PMMA), the polymer is successfully incorporated into the NiOx nanoparticle (NP) dispersions to modify the solution-processable HTL of the inverted OSCs. Benefiting from the improvements of electrical and surface properties, the inverted PM6:Y6 OSCs based on the PMMA-doped NiOx NP HTL achieves an enhanced power conversion efficiency of 15.11% as well as improved performance stability in ambient conditions. The results demonstrated a viable approach to realize efficient and stable inverted OSCs by tuning the solution-processable HTL. Full article
(This article belongs to the Special Issue Polymer Strategies in Organic and Perovskite Solar Cells)
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15 pages, 15213 KiB  
Article
Enhanced Optical Confinement Enriching the Power Conversion Efficiency of Integrated 3D Grating Organic Solar Cell
by Moshe Zohar, Roy Avrahamy, Shlomo Hava, Benny Milgrom and Evyatar Rimon
Polymers 2022, 14(20), 4294; https://0-doi-org.brum.beds.ac.uk/10.3390/polym14204294 - 12 Oct 2022
Viewed by 1799
Abstract
In this paper, we examine the impact of three-dimensional grating layers embedded at selected locations in an organic solar cell structure to obtain enhanced efficiency. The design, simulations, and optimizations were carried out using an in-house tool based on the rigorous coupled-wave analysis [...] Read more.
In this paper, we examine the impact of three-dimensional grating layers embedded at selected locations in an organic solar cell structure to obtain enhanced efficiency. The design, simulations, and optimizations were carried out using an in-house tool based on the rigorous coupled-wave analysis (RCWA) method developed on the MATLAB R2019a platform. An optimal organic solar cell structure design with a top grating layer exhibited an increase of 7.47% in the short-circuit current density compared to an organic solar cell structure with a smooth top layer. The power conversion efficiency (PCE) increase was mainly due to increased light confinement in the thin absorbing layer. Adding an embedded grating layer in the absorption layer resulted in a significant increase in the absorptance spectral bandwidth, where the short-circuit current density increased by 10.88%. In addition, the grating cells yielded a substantial improvement in the cell’s conical absorptance since the existence of a surface plasmon polariton (SPP) in the back metal gratings increases the confinement properties. Further, the effect of a pyramid-shaped embedded grating array was a slight improvement in the PCE compared to the rectangular-shaped grating arrays. We showed that a pyramid-grating can act as a nano black-body layer, increasing the absorption for a wide range of azimuthal and polar incident angles. Full article
(This article belongs to the Special Issue Polymer Strategies in Organic and Perovskite Solar Cells)
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12 pages, 2863 KiB  
Article
Efficient All-Polymer Solar Cells with Sequentially Processed Active Layers
by Chaoyue Zhao, Hui Huang, Lihong Wang, Guoping Zhang, Guanyu Lu, Han Yu, Guanghao Lu, Yulai Han, Mingxia Qiu, Shunpu Li and Guangye Zhang
Polymers 2022, 14(10), 2058; https://0-doi-org.brum.beds.ac.uk/10.3390/polym14102058 - 18 May 2022
Cited by 6 | Viewed by 2284
Abstract
In this work, we apply the sequential processing (SqP) method to address the relatively low electron mobility in recent all-polymer solar cells (all-PSCs) based on the polymerized small-molecule acceptor (PSMA). Compared to the blend-casting (BC) method, all-PSCs composed of PM6/PY-IT via the SqP [...] Read more.
In this work, we apply the sequential processing (SqP) method to address the relatively low electron mobility in recent all-polymer solar cells (all-PSCs) based on the polymerized small-molecule acceptor (PSMA). Compared to the blend-casting (BC) method, all-PSCs composed of PM6/PY-IT via the SqP method show boosted electron mobility and a more balanced charge carrier transport, which increases the FF of the SqP device and compensates for the short-circuit current loss, rendering comparable overall performance with the BC device. Through film-depth-dependent light absorption spectroscopy, we analyze the sub-layer absorption and exciton generation rate in the vertical direction of the device, and discuss the effect of the increased electron mobility on device performance, accordingly. Full article
(This article belongs to the Special Issue Polymer Strategies in Organic and Perovskite Solar Cells)
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22 pages, 5219 KiB  
Article
Effect of Stability of Two-Dimensional (2D) Aminoethyl Methacrylate Perovskite Using Lead-Based Materials for Ammonia Gas Sensor Application
by Muhamad Yuzaini Azrai Mat Yunin, Norfatihah Mohd Adenam, Wan M. Khairul, Abdul Hafidz Yusoff and Hasyiya Karimah Adli
Polymers 2022, 14(9), 1853; https://0-doi-org.brum.beds.ac.uk/10.3390/polym14091853 - 30 Apr 2022
Cited by 6 | Viewed by 2443
Abstract
Changes in physical properties of (H2C=C(CH3)CO2CH2CH2NH3)2PbI2Cl2 and (H2C=C(CH3)CO2CH2CH2NH3)2Pb(NO3)2Cl [...] Read more.
Changes in physical properties of (H2C=C(CH3)CO2CH2CH2NH3)2PbI2Cl2 and (H2C=C(CH3)CO2CH2CH2NH3)2Pb(NO3)2Cl2 (2D) perovskite materials from iodide-based (I-AMP) and nitrate-based (N-AMP) leads were investigated at different durations (days) for various storage conditions. UV-Vis spectra of both samples showed an absorption band of around λmax 420 nm due to the transition of n to π* of ethylene (C=C) and amine (NH2). XRD perovskite peaks could be observed at approximately 25.35° (I-AMP) and 23.1° (N-AMP). However, a major shift in I-AMP and dramatic changes in the crystallite size, FHWM and crystallinity percentage highlighted the instability of the iodide-based material. In contrast, N-AMP showed superior stability with 96.76% crystallinity even at D20 under the S condition. Both materials were exposed to ammonia (NH3) gas, and a new XRD peak of ammonium lead iodide (NH4PbI3) with a red-shifted perovskite peak (101) was observed for the case of I-AMP. Based on the FWHM, crystallite size, crystallinity and lattice strain analysis, it can be concluded N-AMP’s stability was maintained even after a few days of exposure to the said gases. These novel nitrate-based lead perovskite materials exhibited great potential for stable perovskite 2D materials and recorded less toxicity compared to famous lead iodide (PbI2) material. Full article
(This article belongs to the Special Issue Polymer Strategies in Organic and Perovskite Solar Cells)
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