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Conducting Polymers
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Conducting Polymers

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

Deadline for manuscript submissions: closed (15 March 2021) | Viewed by 12018

Special Issue Editor

Prof. Dr. Jadwiga Sołoducho

E-Mail Website
Guest Editor
Faculty of Chemistry, Wrocław University of Science and Technology, 50-370 Wrocław, Poland
Interests: organic synthesis; heteryclic structures; macrostructures; conducting polymers; electrochemistry of heterocycles; photovoltaics; sensorics; green electronics

Special Issue Information

Dear Colleague,

Conjugated polymeric semiconductors have proven to be notable in their role as a tenuous carrier transfer layer for molecular electronics. The simplicity of dilution as well as retentive machine features, and the extensively perfected carrier transfer properties, have spurred the broad exploration of these semiconducting materials in the realms of both science and manufacturing. The adoption of elastic displays and circuitry were suggested to have individual electrical persistence and suit the price demands well. The common techniques used in the majority of growth runs of organic semiconducting materials have demonstrated suitable carrier mobility and utility in the manufacturing processes to obtain plastics for use in various types of displays. In conjugated polymers’ conformational order, packing are known to have a significant influence on much of their optoelectronic properties, including their emission properties. These structural features, therefore, have to be controlled and tuned to efficiently exploit the emission properties of this class of materials, i.e. in solution-processable, potentially large-area, flexible, and lightweight optoelectronic structures such as OLEDs, integrated in highly stretchable information displays.

There are several methods available for the synthesis of conjugated polymeric materials, i.e. the Kumada process, Yamamoto polymerization, Suzuki–Miyaura polymerization, Heck polymerization, Sonogashira polymerization, Gilch polymerization, and Stille polymerization.

Dr. Jadwiga Sołoducho
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. 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 synthesis—classical condensation reactions and green synthesis
  • Heteryclic macrostructures
  • Conducting polymers
  • Electrochemistry of heterocycles
  • Photovoltaics
  • Sensorics

Published Papers (4 papers)

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Research

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12 pages, 4023 KiB  
Article
Effect of Polythiophene Content on Thermomechanical Properties of Electroconductive Composites
by Katarzyna Bednarczyk, Tomasz Kukulski, Ryszard Fryczkowski, Ewa Schab-Balcerzak and Marcin Libera
Molecules 2021, 26(9), 2476; https://doi.org/10.3390/molecules26092476 - 23 Apr 2021
Cited by 6 | Viewed by 1895
Abstract
The thermal, mechanical and electrical properties of polymeric composites combined using polythiophene (PT) dopped by FeCl3 and polyamide 6 (PA), in the aspect of conductive constructive elements for organic solar cells, depend on the molecular structure and morphology of materials as well [...] Read more.
The thermal, mechanical and electrical properties of polymeric composites combined using polythiophene (PT) dopped by FeCl3 and polyamide 6 (PA), in the aspect of conductive constructive elements for organic solar cells, depend on the molecular structure and morphology of materials as well as the method of preparing the species. This study was focused on disclosing the impact of the polythiophene content on properties of electrospun fibers. The elements for investigation were prepared using electrospinning applying two substrates. The study revealed the impact of the substrate on the conductive properties of composites. In this study composites exhibited good thermal stability, with T5 values in the range of 230–268 °C that increased with increasing PT content. The prepared composites exhibited comparable PA Tg values, which indicates their suitability for processing. Instrumental analysis of polymers and composites was carried out using Fourier Transform Infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA) and scanning electron microscopy (SEM). Full article
(This article belongs to the Special Issue Conducting Polymers)
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14 pages, 2832 KiB  
Article
2,1,3-Benzothiadiazole Small Donor Molecules: A DFT Study, Synthesis, and Optoelectronic Properties
by Dorota Zając, Damian Honisz, Mieczysław Łapkowski and Jadwiga Sołoducho
Molecules 2021, 26(5), 1216; https://doi.org/10.3390/molecules26051216 - 24 Feb 2021
Cited by 11 | Viewed by 3016
Abstract
We herein report the design and synthesis of small-donor molecules, 2,1,3-benzothiadiazole derivatives (2a–d), by Stille or Suzuki reaction. The synthesized compounds were characterized by spectroscopic and electrochemical methods. The compounds 2a–d absorb the light in a wide [...] Read more.
We herein report the design and synthesis of small-donor molecules, 2,1,3-benzothiadiazole derivatives (2a–d), by Stille or Suzuki reaction. The synthesized compounds were characterized by spectroscopic and electrochemical methods. The compounds 2a–d absorb the light in a wide range (the UV-green/yellow light (2c)) and emit from green to red/near IR light (2c). Furthermore, these compounds show a narrow energy gap (1.75–2.38 eV), and high Ea values increasing for polymers, which prove their electron-donating nature and semiconductor properties. The measurements were enhanced by theoretical modeling. Full article
(This article belongs to the Special Issue Conducting Polymers)
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Review

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29 pages, 10726 KiB  
Review
Chiral Polythiophenes: Part I: Syntheses of Monomeric Precursors
by Dorota Krasowska, Rafał Karpowicz and Józef Drabowicz
Molecules 2021, 26(14), 4205; https://doi.org/10.3390/molecules26144205 - 10 Jul 2021
Cited by 1 | Viewed by 2435
Abstract
The purpose of this mini-review is to comprehensively present the synthetic approaches used for the preparation of non-racemic mono- and multi-substituted thiophenes, which, in turn, can be applied as precursors for the synthesis of chiral polythiophenes isolated as a single chemical entity or [...] Read more.
The purpose of this mini-review is to comprehensively present the synthetic approaches used for the preparation of non-racemic mono- and multi-substituted thiophenes, which, in turn, can be applied as precursors for the synthesis of chiral polythiophenes isolated as a single chemical entity or having supramolecular thin-layer architectures. Full article
(This article belongs to the Special Issue Conducting Polymers)
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30 pages, 9077 KiB  
Review
Conducting Silicone-Based Polymers and Their Application
by Jadwiga Sołoducho, Dorota Zając, Kamila Spychalska, Sylwia Baluta and Joanna Cabaj
Molecules 2021, 26(7), 2012; https://doi.org/10.3390/molecules26072012 - 1 Apr 2021
Cited by 19 | Viewed by 4027
Abstract
Over the past two decades, both fundamental and applied research in conducting polymers have grown rapidly. Conducting polymers (CPs) are unique due to their ease of synthesis, environmental stability, and simple doping/dedoping chemistry. Electrically conductive silicone polymers are the current state-of-the-art for, e.g., [...] Read more.
Over the past two decades, both fundamental and applied research in conducting polymers have grown rapidly. Conducting polymers (CPs) are unique due to their ease of synthesis, environmental stability, and simple doping/dedoping chemistry. Electrically conductive silicone polymers are the current state-of-the-art for, e.g., optoelectronic materials. The combination of inorganic elements and organic polymers leads to a highly electrically conductive composite with improved thermal stability. Silicone-based materials have a set of extremely interesting properties, i.e., very low surface energy, excellent gas and moisture permeability, good heat stability, low-temperature flexibility, and biocompatibility. The most effective parameters constructing the physical properties of CPs are conjugation length, degree of crystallinity, and intra- and inter-chain interactions. Conducting polymers, owing to their ease of synthesis, remarkable environmental stability, and high conductivity in the doped form, have remained thoroughly studied due to their varied applications in fields like biological activity, drug release systems, rechargeable batteries, and sensors. For this reason, this review provides an overview of organosilicon polymers that have been reported over the past two decades. Full article
(This article belongs to the Special Issue Conducting Polymers)
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