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Polymers
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High-Performance Conducting Polymer Materials
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High-Performance Conducting Polymer Materials

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

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 7555

Special Issue Editor

Prof. Dr. Yang Wang

E-Mail Website
Guest Editor
Department of Materials Science, Fudan University, Shanghai, China
Interests: conducting polymers; semiconducting polymers; n-type polymers; molecular design; C-H activation; direct arylation polymerization

Special Issue Information

Dear Colleagues,

The discovery of conducting polymers by Shirakawa, MacDiamid, and Heeger in 1977 has fundamentally changed our view of polymers from insulating “plastics” to electrically (semi)conducting materials. Since then, great efforts have been devoted to the development of high-performance conducting polymers (CPs). Herein, CPs refer to any conjugated polymers that have backbones with alternating single and double (or triple) bonds, regardless of their intrinsic conductivities (semiconductors or conductors). Modern applications of CPs are in organic electronic devices, such as organic photovoltaics (OPVs), organic thin-film transistors (OTFTs), and organic light-emitting diodes (OLEDs). We believe that research and development on CPs will be steady and continuous, and there are still possibilities for us to create new chemistry and discover new phenomena of these polymers.

This Special Issue covers the new molecular design, preparation, characterization, properties, and applications of CPs. The applications of CPs are not limited to OPVs, OTFTs, and OLEDs; they can be extended to organic thermoelectric devices and even bioelectronic applications using electrochemical transistors, which are able to stimulate the electrical activity of the nervous system. The aim of this Special Issue is to update recent knowledge, find new fundamental insights, and demonstrate applications with commercial viability for conducting polymers.

Prof. Dr. Yang Wang
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

  • conducting polymers
  • semiconducting polymers
  • conjugated polymers
  • molecular design
  • applications of conducting polymers
  • organic photovoltaics
  • organic thin-film transistors
  • organic light-emitting diodes
  • organic flexible electronics
  • organic bioelectronics

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Published Papers (3 papers)

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Research

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12 pages, 2868 KiB  
Article
Design of Novel Functional Conductive Structures and Preparation of High-Hole-Mobility Polymer Transistors by Green Synthesis Using Acceptor–Donor–Acceptor Strategies
by Shiwei Ren, Sichun Wang, Jinyang Chen and Zhengran Yi
Polymers 2024, 16(3), 396; https://doi.org/10.3390/polym16030396 - 31 Jan 2024
Cited by 4 | Viewed by 1325
Abstract
The design of novel acceptor molecular structures based on classical building blocks is regarded as one of the efficient ways to explore the application of organic conjugated materials in conductivity and electronics. Here, a novel acceptor moiety, thiophene-vinyl-diketopyrrolopyrrole (TVDPP), was envisioned and prepared [...] Read more.
The design of novel acceptor molecular structures based on classical building blocks is regarded as one of the efficient ways to explore the application of organic conjugated materials in conductivity and electronics. Here, a novel acceptor moiety, thiophene-vinyl-diketopyrrolopyrrole (TVDPP), was envisioned and prepared with a longer conjugation length and a more rigid structure than thiophene-diketopyrrolopyrrole (TDPP). The brominated TVDPP can be sequentially bonded to trimethyltin-containing benzo[c][1,2,5]thiadiazole units via Suzuki polycondensation to efficiently prepare the polymer PTVDPP-BSz, which features high molecular weight and excellent thermal stability. The polymerization process takes only 24 h and eliminates the need for chlorinated organic solvents or toxic tin-based reagents. Density functional theory (DFT) simulations and film morphology analyses verify the planarity and high crystallinity of the material, respectively, which facilitates the achievement of high carrier mobility. Conductivity measurements of the polymeric material in the organic transistor device show a hole mobility of 0.34 cm2 V−1 s−1, which illustrates its potential for functionalized semiconductor applications. Full article
(This article belongs to the Special Issue High-Performance Conducting Polymer Materials)
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15 pages, 6367 KiB  
Article
PEDOT:PSS versus Polyaniline: A Comparative Study of Conducting Polymers for Organic Electrochemical Transistors
by Ryotaro Kawamura and Tsuyoshi Michinobu
Polymers 2023, 15(24), 4657; https://doi.org/10.3390/polym15244657 - 10 Dec 2023
Cited by 2 | Viewed by 2013
Abstract
Organic electrochemical transistors (OECTs) based on conducting polymers have attracted significant attention in the field of biosensors. PEDOT:PSS and polyaniline (PANI) are representative conducting polymers used for OECTs. While there are many studies on PEDOT:PSS, there are not so many reports on PANI-based [...] Read more.
Organic electrochemical transistors (OECTs) based on conducting polymers have attracted significant attention in the field of biosensors. PEDOT:PSS and polyaniline (PANI) are representative conducting polymers used for OECTs. While there are many studies on PEDOT:PSS, there are not so many reports on PANI-based OECTs, and a detailed study to compare these two polymers has been desired. In this study, we investigated the fabrication conditions to produce the best performance in the OECTs using the above-mentioned two types of conducting polymers. The two main parameters were film thickness and film surface roughness. For PEDOT:PSS, the optimal conditions for fabricating thin films were a spin-coating rate of 3000 rpm and a DI water immersion time of 18 h. For PANI, the optimal conditions were a spin-coating rate of 3000 rpm and DI water immersion time of 5 s, and adding dodecylbenzenesulfonic acid (DBSA) was found to provide better OECT performances. The OECT performances based on PEDOT:PSS were superior to those based on PANI in terms of conductivity and transconductance, but PANI showed excellence in terms of film thickness and surface smoothness, leading to the good reproducibility of OECT performances. Full article
(This article belongs to the Special Issue High-Performance Conducting Polymer Materials)
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Review

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33 pages, 7301 KiB  
Review
Recent Advances in Conductive Polymers-Based Electrochemical Sensors for Biomedical and Environmental Applications
by Youheng Pan, Jing Zhang, Xin Guo, Yarou Li, Lanlan Li and Lijia Pan
Polymers 2024, 16(11), 1597; https://doi.org/10.3390/polym16111597 - 4 Jun 2024
Cited by 4 | Viewed by 3454
Abstract
Electrochemical sensors play a pivotal role in various fields, such as biomedicine and environmental detection, due to their exceptional sensitivity, selectivity, stability, rapid response time, user-friendly operation, and ease of miniaturization and integration. In addition to the research conducted in the application field, [...] Read more.
Electrochemical sensors play a pivotal role in various fields, such as biomedicine and environmental detection, due to their exceptional sensitivity, selectivity, stability, rapid response time, user-friendly operation, and ease of miniaturization and integration. In addition to the research conducted in the application field, significant focus is placed on the selection and optimization of electrode interface materials for electrochemical sensors. The detection performance of these sensors can be significantly enhanced by modifying the interface of either inorganic metal electrodes or printed electrodes. Among numerous available modification materials, conductive polymers (CPs) possess not only excellent conductivity exhibited by inorganic conductors but also unique three-dimensional structural characteristics inherent to polymers. This distinctive combination allows CPs to increase active sites during the detection process while providing channels for rapid ion transmission and facilitating efficient electron transfer during reaction processes. This review article primarily highlights recent research progress concerning CPs as an ideal choice for modifying electrochemical sensors owing to their remarkable features that make them well-suited for biomedical and environmental applications. Full article
(This article belongs to the Special Issue High-Performance Conducting Polymer Materials)
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