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Polymers
Special Issues
Advanced Polymer Composite for Energy Applications
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Advanced Polymer Composite for Energy Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: closed (25 April 2023) | Viewed by 4396

Special Issue Editor

Dr. Hao-Wen Cheng

E-Mail Website
Guest Editor
Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA
Interests: semiconducting polymer; stretchable semiconductor polymer; polymer for organic photovoltaics

Special Issue Information

Dear Colleagues,

With the increased demand for alternative types of electronic devices, the development of polymer and electrode materials for high-performance organic solar cells, organic transistors, and organic light-emitting diodes has become a priority.

However, polymer composites and nanocomposites have been widely applied in various energy applications, due to their numerous advantages, including the following: low cost, solution-processable, and easy processing and production.

Thus, this Special Issue in Polymers aims to collect original research papers, review papers or short communications that discuss related aspects in the field. The scope includes, but is not limited to, the following:

  • Novel polymeric materials for high-performance organic solar cells;
  • Semitransparent organic solar cells and their applications;
  • Polymer-based electrode materials;
  • Polymer nanocomposites for organic photovoltaics.

Dr. Hao-Wen Cheng
Guest Editor

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

  • solar cell
  • organic photovoltaics
  • energy conversion
  • organic electronics

Published Papers (2 papers)

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Research

22 pages, 4215 KiB  
Article
The EDLC Energy Storage Device Based on a Natural Gelatin (NG) Biopolymer: Tuning the Capacitance through Plasticizer Variation
by Shujahadeen B. Aziz, Elham M. A. Dannoun, Sozan N. Abdullah, Hewa O. Ghareeb, Ranjdar M. Abdullah, Ari A. Abdalrahman, Muaffaq M. Nofal and Sunanda Kakroo
Polymers 2022, 14(22), 5044; https://doi.org/10.3390/polym14225044 - 21 Nov 2022
Cited by 2 | Viewed by 1481
Abstract
A solution casting method has been utilisedto fabricate plasticisednatural gelatin (NG)-based polymer electrolyte films. The NG electrolyte with 50 wt.% glycerol and 13 wt.% sodium nitrate (NaNO3) attained the highest ionic conductivity of 1.67 × 10−4 S cm−1. [...] Read more.
A solution casting method has been utilisedto fabricate plasticisednatural gelatin (NG)-based polymer electrolyte films. The NG electrolyte with 50 wt.% glycerol and 13 wt.% sodium nitrate (NaNO3) attained the highest ionic conductivity of 1.67 × 10−4 S cm−1. Numerous techniques were used to characterisethe NG films to assess their electrochemical performance. The data obtained from impedance spectroscopy for the plasticisedsystem, such as bulk resistance (Rb), arerelatively low. Thiscomprehensive study has been focused on dielectric characteristics and electric modulus parameters. The plasticisedsystem has shown eligibility for practice in energy storage devices with electrochemical strength up to 2.85 V. The TNM data based on ion transference number (tion) and electron transference number (te) determine the identity of the main charge carrier, ion. The redox peaks in the cyclic voltammograms have not been observed as evidence of charge accumulation other than the Faradaic process at the electrode–electrolyte interface. The GCD plot reveals a triangle shape and records arelatively low drop voltage. The high average efficiency of 90% with low ESR has been achieved over 500 cycles, indicating compatibility between electrolyte and electrode. The average power density and energy density of the plasticisedare 700 W/kg and 8 Wh/kg, respectively. Full article
(This article belongs to the Special Issue Advanced Polymer Composite for Energy Applications)
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16 pages, 4771 KiB  
Article
Intrinsically Negative Photosensitive Polyimides with Enhanced High-Temperature Dimensional Stability and Optical Transparency for Advanced Optical Applications via Simultaneous Incorporation of Trifluoromethyl and Benzanilide Units: Preparation and Properties
by Yanshuang Gao, Huasen Wang, Jie Jia, Zhen Pan, Xi Ren, Xinxin Zhi, Yan Zhang, Xuanzhe Du, Xiaolei Wang and Jingang Liu
Polymers 2022, 14(18), 3733; https://doi.org/10.3390/polym14183733 - 7 Sep 2022
Cited by 3 | Viewed by 2382
Abstract
Negative photosensitive polyimides (PSPIs) with the photo-patterned ability via the photocrosslinking reactions induced by the i-line (365 nm) and h-line (426 nm) emitting wavelengths in high-pressure mercury lamps have been paid increasing attention in semiconductor fabrication, optical fiber communications, and other advanced optoelectronic [...] Read more.
Negative photosensitive polyimides (PSPIs) with the photo-patterned ability via the photocrosslinking reactions induced by the i-line (365 nm) and h-line (426 nm) emitting wavelengths in high-pressure mercury lamps have been paid increasing attention in semiconductor fabrication, optical fiber communications, and other advanced optoelectronic areas. In the current work, in view of the optical and thermo-mechanical disadvantages of the currently used negative PSPIs, such as the intrinsically photosensitive or auto-photosensitive systems derived from 3,3’,4,4’-benzophenonetetracarboxylic dianhydride (BTDA) and the ortho-alkyl- substituted aromatic diamines, a series of modified negative PSPIs with the enhanced optical transparency in the wavelength of 365~436 nm and apparently reduced coefficients of linear thermal expansion (CTE) were developed. For this purpose, a specific aromatic diamine with both of trifluoromethyl and benzanilide units in the molecular structures, 2,2’-bis(trifluoromethyl)-4,4’-bis[4-(4-amino-3-methyl)benzamide]biphenyl (MABTFMB) was copolymerized with BTDA and the standard 3,3’,5,5’-tetramethyl-4,4’-diaminodiphenylmethane (TMMDA) diamine via a two-step chemical imidization procedure. As compared with the pristine PI-1 (BTDA-TMMDA) system, the new-developed fluoro-containing PSPI systems (FPI-2~FPI-7) exhibited the same-level solubility in polar aprotic solvents, including N-methyl-2-pyrrolidone (NMP) and N,N- dimethylacetamide (DMAc). The FPI films cast from the corresponding FPI solutions in NMP showed the optical transmittances of 78.3–81.3% at the wavelength of 436 nm (T436, h-line), which were much higher than that of the PI-1 (T436 = 60.9%). The FPI films showed the CTE values in the range of 40.7 × 10−6/K to 54.0 × 10−6/K in the temperature range of 50 to 250 °C, which were obviously lower than that of PI-1 (CTE = 56.5 × 10−6/K). At last, the photosensitivity of the FPI systems was maintained and the micro-pattern with the line width of 10 μm could be clearly obtained via the standard photolithography process of FPI-7 with the molar ratio of 50% for MABTFMB in the diamine moiety. Full article
(This article belongs to the Special Issue Advanced Polymer Composite for Energy Applications)
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