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Polymers
Special Issues
Electrochromic Properties and Application of Polymers and Corresponding Composites
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Electrochromic Properties and Application of Polymers and Corresponding Composites

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

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 2137

Special Issue Editor

Prof. Dr. Ping Liu

E-Mail Website
Guest Editor
Research Institute of Materials Science, South China University of Technology, Guangzhou, China
Interests: organic/polymer optoelectronic materials; organic/polymer optoelectronic devices; organic/polymer flame retardant; organic/polymer flame retardant materials; adhesives for automotive; pressure sensitive adhesives for power batteries

Special Issue Information

Dear Colleagues,

Electrochromic materials and related electrochromic devices have wide application prospects in smart windows, automotive, display, e-paper, wearable devices, etc. Especially for buildings, smart windows containing electrochromic devices have the function of saving energy and reducing consumption. 

This Special Issue focuses on all aspects related to the synthesis of electrochromic polymer materials (including organic polymer, organic/inorganic composites, etc.), preparation of electrochromic devices, electrochromic mechanism, application of electrochromic devices, and a review of recent advances in electrochromism. The aim is to present new ideas and achievements, and to provide not only solutions for current problems but also the necessary inspiration for future generations. 

Authors are welcome to submit their latest results in the form of original full articles, communications, or reviews on this wide topic.

Prof. Dr. Ping Liu
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.

Published Papers (2 papers)

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Research

16 pages, 7543 KiB  
Article
Electropolymerization of an EDOT-Quinoxaline Monomer for Green Electrochromic Thin Films and Devices
by Marco Schott, Lukas Niklaus, Silvia Janietz, Charlotte Völkel, Tatjana Egorov-Brening and Taybet Bilkay-Troni
Polymers 2024, 16(6), 799; https://doi.org/10.3390/polym16060799 - 13 Mar 2024
Viewed by 741
Abstract
In this study, we present a 5,8-bis(3,4-ethylenedioxythiophene)quinoxaline monomer with two 4-(octyloxy)phenyl side chains (EDOTPQ) that can be electropolymerized on ITO glass in standard electrolytes containing lithium salts and propylene carbonate as solvent. The electrochemically deposited PEDOTPQ layers show very good adhesion and homogeneity [...] Read more.
In this study, we present a 5,8-bis(3,4-ethylenedioxythiophene)quinoxaline monomer with two 4-(octyloxy)phenyl side chains (EDOTPQ) that can be electropolymerized on ITO glass in standard electrolytes containing lithium salts and propylene carbonate as solvent. The electrochemically deposited PEDOTPQ layers show very good adhesion and homogeneity on ITO. The green-colored polymer thin films exhibit promising electrochromic (EC) properties and are interesting for applications such as adaptive camouflage, as well as smart displays, labels, and sensors. Novel organic–inorganic (hybrid) EC cell configurations were realized with Prussian blue (PB) or titanium-vanadium oxide (TiVOx) as ion storage electrodes, showing a highly reversible and fast color change from green to light yellow. Full article
(This article belongs to the Special Issue Electrochromic Properties and Application of Polymers and Corresponding Composites)
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19 pages, 58291 KiB  
Article
D–A Structural Oligomers Containing Benzothiadiazole or Benzophenone as Novel Multifunctional Materials for Electrochromic and Photodetector Devices
by Zipeng He, Binhua Mei, Hongmei Chu, Yanjun Hou and Haijun Niu
Polymers 2023, 15(10), 2274; https://doi.org/10.3390/polym15102274 - 11 May 2023
Viewed by 1113
Abstract
In this study, six conjugated oligomers containing D–A structures were synthesized using the Stille coupling reaction and named PHZ1–PHZ6. All the oligomers utilized demonstrated excellent solubilities in common solvents and notable color variations in the domain of electrochromic characteristics. By designing and synthesizing [...] Read more.
In this study, six conjugated oligomers containing D–A structures were synthesized using the Stille coupling reaction and named PHZ1–PHZ6. All the oligomers utilized demonstrated excellent solubilities in common solvents and notable color variations in the domain of electrochromic characteristics. By designing and synthesizing two electron-donating groups modified with alkyl side chains and a common aromatic electron-donating group, as well as cross-binding them with two electron-withdrawing groups with lower molecular weights, the six oligomers presented good color-rendering efficiencies, among which PHZ4 presented the best color-rendering efficiency (283 cm2·C−1). The products also demonstrated excellent electrochemical switching-response times. PHZ5 presented the fastest coloring time (0.7 s), PHZ3 and PHZ6 presented the fastest bleaching times (2.1 s). Following 400 s of cycling activity, all the oligomers under study showed good working stabilities. Moreover, three kinds of photodetectors based on conducting oligomers were prepared, and the experimental results show that the three photodetectors have better specific detection performances and gains. These characteristics indicate that oligomers containing D–A structures are suitable for use as electrochromic and photodetector materials in the research. Full article
(This article belongs to the Special Issue Electrochromic Properties and Application of Polymers and Corresponding Composites)
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