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Photoactive and Electroactive Polymers

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

Deadline for manuscript submissions: closed (30 November 2019) | Viewed by 5201

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Guest Editor
Department of Chemical Engineering and Materials Engineering, National Yunlin University of Science and Technology, Yunlin 64002, Taiwan
Interests: electrochromic polymers; light-emitting diodes; solar cell; fuel cell; functional polymers and materials for optoelectronic devices
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Special Issue Information

Dear Colleagues,

Polymers with stimuli-responsive effects such as photoactive and electroactive properties have attracted great interest owing to their fine shape deformability and shape memory characteristics. Many types of polymers such as ferroelectric polymers, electrostrictive graft polymers, liquid crystalline polymers, ionic polymer-metal composite, and other types of polymers have photoactive or electroactive properties. For example, conducting polymer is one of the most promising electroactive materials and polyurethane is a common photoactive polymer. These interesting polymers have found potential applications in aerospace, the textile industry, sensors, drug delivery systems, and other various fields. Recent advances and developments in photoactive and electroactive polymers show that new platforms and technologies can be used to design and fabricate innovative photoactive and electroactive polymer architectures with extensive applications in various areas. Therefore, this Special Issue includes the synthesis, physicochemical properties, optical and electrochemical characterization, deformability and shape memory characteristics, and applications of photoactive and electroactive polymers in various fields. In addition, feature articles, communications, and review papers with regard to the advancements of photoactive and electroactive polymer materials in a particular area are also invited to submit to this Special Issue.

Prof. Dr. Tzi-yi Wu
Guest Editor

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Keywords

  • Photoactive polymers and materials
  • Electroactive polymers and materials
  • Synthesis of photoactive and electroactive polymer composites for various applications
  • Hybrid electroactive polymer-inorganic composites
  • Hybrid photoactive polymer-inorganic composites
  • Optical and electrochemical characterizations, physicochemical properties characterizations, and shape deformability and shape memory characterization of photoactive and electroactive polymers.

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Published Papers (1 paper)

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Research

18 pages, 4294 KiB  
Article
Design and Characterization of New D–A Type Electrochromic Conjugated Copolymers Based on Indolo[3,2-b]Carbazole, Isoindigo and Thiophene Units
by Yuling Zhang, Shuang Chen, Yan Zhang, Hongmei Du and Jinsheng Zhao
Polymers 2019, 11(10), 1626; https://doi.org/10.3390/polym11101626 - 8 Oct 2019
Cited by 24 | Viewed by 3589
Abstract
Two new donor–acceptor (D–A) type organic conjugated random copolymers were successfully synthesized by three-component Stille coupling polymerization of indolo[3,2-b]carbazole (ICZ), isoindigo (IID) and thiophene units, namely PITID-X (X = 1 and 2), with the controlled monomer feed ratios of 3:1:4 and 1:1:2, respectively. [...] Read more.
Two new donor–acceptor (D–A) type organic conjugated random copolymers were successfully synthesized by three-component Stille coupling polymerization of indolo[3,2-b]carbazole (ICZ), isoindigo (IID) and thiophene units, namely PITID-X (X = 1 and 2), with the controlled monomer feed ratios of 3:1:4 and 1:1:2, respectively. The strategy of incorporating different alkyl-branched donor/acceptor units and raw material feed ratios facilitated the improvement of optical properties, solubility, conjugated structure, and electrochromic performance. Cyclic voltammetry, UV-vis-NIR absorption spectra, kinetic and colorimetric measurements of the spray-coated films were recorded in the fabricated three-electrode cells. The results showed that PITID-2, whose optical/electrical properties were better than that of PITID-1, was the candidate electrochromic material due to low band gap of 1.58 eV accompanying the color changing from cyan (neutral state) to gray (oxidized state). The copolymer also illustrated fast bleaching/coloration response time of 2.04/0.33 and 1.35/1.50 s in a 4 s time interval, high coloration efficiency of 171.52 and 153.08 cm2 C−1 and stable optical contrast of 18% and 58% at the wavelength of 675 and 1600 nm, respectively. Full article
(This article belongs to the Special Issue Photoactive and Electroactive Polymers)
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