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Polymers
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Novel Conjugated Polymers and Conductive Polymers
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Novel Conjugated Polymers and Conductive Polymers

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

Deadline for manuscript submissions: 20 June 2025 | Viewed by 2825

Special Issue Editors

Dr. Yanhua Lei

E-Mail Website
Guest Editor
Institute of Marine Materials Science and Engineering, Shanghai Maritime University, Shanghai, China
Interests: conductive polymer; corroison protection; electrochemisty; compisites
Dr. Kai Sun

E-Mail Website
Guest Editor
School of Marine Science and Engineering, Shanghai Maritime University, Shanghai, China
Interests: electromagnetic functional composites; metamaterials; flexible electronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Conducting polymers and conjugated polymers are extensively studied due to their outstanding properties, including tunable electrical properties, optical and substantial mechanical properties, easy synthesis and effortless fabrication, and high environmental stability over conventional inorganic materials. The synergetic effects of conducting polymer composites give them wide-ranging applications in electrical, electronic, optoelectronic, catalytic, and corrosion-protective fields. Here, in this SI, we seek to describe the transport models that help to explain the conduction mechanism, relevant synthesis approaches, and physical properties, including electrical, optical, and mechanical properties. Recent developments in their applications in the fields of energy storage, photocatalysis, anticorrosion coatings, biomedical applications, and sensing applications are also welcome. 

Dr. Yanhua Lei
Dr. Kai Sun
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

  • conducting polymer
  • conjugated polymers
  • application
  • functional materials
  • composites

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Published Papers (2 papers)

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Research

11 pages, 2874 KiB  
Article
Reservoir Computing Enabled by Polymer Electrolyte-Gated MoS2 Transistors for Time-Series Processing
by Xiang Wan, Qiujie Yuan, Lianze Sun, Kunfang Chen, Dongyoon Khim and Zhongzhong Luo
Polymers 2025, 17(9), 1178; https://doi.org/10.3390/polym17091178 - 25 Apr 2025
Viewed by 145
Abstract
This study presented a novel reservoir computing (RC) system based on polymer electrolyte-gated MoS2 transistors. The proposed transistors operate through lithium ion (Li+) intercalation, which induces reversible phase transitions between semiconducting 2H and metallic 1T’ phases in MoS2 films. [...] Read more.
This study presented a novel reservoir computing (RC) system based on polymer electrolyte-gated MoS2 transistors. The proposed transistors operate through lithium ion (Li+) intercalation, which induces reversible phase transitions between semiconducting 2H and metallic 1T’ phases in MoS2 films. This mechanism enables dynamic conductance modulation with inherent nonlinearity and fading memory effects, rendering these transistors particularly suitable as reservoir nodes. Our RC implementation leverages time-multiplexed virtual nodes to reduce physical component requirements while maintaining rich temporal dynamics. Testing on a spoken digit recognition task using the NIST TI-46 dataset demonstrated 95.1% accuracy, while chaotic time-series prediction of the Lorenz system achieved a normalized root mean square error as low as 0.04. This work established polymer electrolyte-gated MoS2 transistors as promising building blocks for efficient RC systems capable of processing complex temporal patterns, offering enhanced scalability, and practical applicability in neuromorphic computation. Full article
(This article belongs to the Special Issue Novel Conjugated Polymers and Conductive Polymers)
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22 pages, 6396 KiB  
Article
An Investigation of PPy@1T/2H MoS2 Composites with Durable Photothermal-Promoted Effect in Photo-Fenton Degradation of Methylene Blue and in Water Evaporation
by Yanhua Lei, Da Huo, Hui Liu, Sha Cheng, Mengchao Ding, Bochen Jiang, Fei Zhang, Yuliang Zhang and Guanhui Gao
Polymers 2023, 15(19), 3900; https://doi.org/10.3390/polym15193900 - 27 Sep 2023
Cited by 6 | Viewed by 1850
Abstract
MoS2 has garnered considerable attention as an exceptional co-catalyst that is capable of significantly enhancing the efficiency of H2O2 decomposition in advanced oxidation processes (AOPs). This improvement allows for a reduction in the required amounts of H2O [...] Read more.
MoS2 has garnered considerable attention as an exceptional co-catalyst that is capable of significantly enhancing the efficiency of H2O2 decomposition in advanced oxidation processes (AOPs). This improvement allows for a reduction in the required amounts of H2O2 and Fe2+. In this study, we investigated the cyclic durability of photo-Fenton catalysts, focusing on the degradation of pollutants through the introduction of PPy into heterogeneous 1T-2H MoS2 units. The resulting photothermal-Fenton catalysts, comprising non-ferrous Fenton catalysts, demonstrated excellent degradation performance for simulated pollutants. In comparison with 1T-2H MoS2, the PPy@1T-2H MoS2 composite exhibited remarkable stability and photothermal enhancement in the photo-Fenton degradation of methylene blue (MB) under visible light irradiation. The photo-Fenton reaction efficiently degraded contaminants, achieving 99% removal within 5 min and 99.8% removal within 30 min. Moreover, the co-catalyst complex displayed enhanced cyclic stability during the photo-Fenton reaction, with a contaminant removal efficiency of 92%, even after the 13th cyclic test. The combined effects of PPy and 1T-2H MoS2 demonstrated improved efficiency in both photocatalytic and photo-Fenton catalytic reactions. Furthermore, PPy@1T-2H MoS2 exhibited outstanding performance in the photothermal evaporation of water, achieving an efficiency of 86.3% under one solar irradiation. Full article
(This article belongs to the Special Issue Novel Conjugated Polymers and Conductive Polymers)
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