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Polymers
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Optoelectronic Polymers and Devices
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Optoelectronic Polymers and Devices

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

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 4403

Special Issue Editor

Prof. Dr. Tzi-yi Wu

E-Mail Website
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
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Optoelectronic polymers are attractive materials with enormous potential in the applications of electronic devices. Optoelectronic polymers have characteristic properties such as conductive, electroluminescent, electrochromic, and photochromic properties. Synthesized polymers can be applied in various scientific fields, especially in the energy fields, such as supercapacitors, electrochromism, photochromism, organic light-emitting display, polymer light-emitting display, and organic photovoltaic cells.

This Special Issue on “Optoelectronic Polymers and Devices” aims to present the most recent achievements in the optoelectronic polymer-related fields, such as synthetic methods, optoelectronic polymeric derivatives, polymeric thin film, and even their applications as functional devices. In addition, feature articles and review papers on the progresses of optoelectronic polymers and materials in particular areas are also welcomed.

Prof. Dr. Tzi-yi Wu
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

  • Optoelectronic properties of polymers
  • Organic synthesis of optoelectronic polymers
  • Conjugated organometallic polymers
  • Polymer composites
  • Molecular engineering of optoelectronic polymers
  • Applications of polymers in electrochromic or electroluminescent devices

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Published Papers (1 paper)

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Research

28 pages, 5091 KiB  
Article
Polymer Composites with 0.98 Transparencies and Small Optical Energy Band Gap Using a Promising Green Methodology: Structural and Optical Properties
by Muaffaq M. Nofal, Shujahadeen B. Aziz, Jihad M. Hadi, Wrya O. Karim, Elham M. A. Dannoun, Ahang M. Hussein and Sarkawt A. Hussen
Polymers 2021, 13(10), 1648; https://doi.org/10.3390/polym13101648 - 19 May 2021
Cited by 33 | Viewed by 3060
Abstract
In this work, a green approach was implemented to prepare polymer composites using polyvinyl alcohol polymer and the extract of black tea leaves (polyphenols) in a complex form with Co2+ ions. A range of techniques was used to characterize the Co2+ [...] Read more.
In this work, a green approach was implemented to prepare polymer composites using polyvinyl alcohol polymer and the extract of black tea leaves (polyphenols) in a complex form with Co2+ ions. A range of techniques was used to characterize the Co2+ complex and polymer composite, such as Ultraviolet–visible (UV-Visible) spectroscopy, Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). The optical parameters of absorption edge, refractive index (n), dielectric properties including real and imaginary parts (εr, and εi) were also investigated. The FRIR and XRD spectra were used to examine the compatibility between the PVA polymer and Co2+-polyphenol complex. The extent of interaction was evidenced from the shifts and change in the intensity of the peaks. The relatively wide amorphous phase in PVA polymer increased upon insertion of the Co2+-polyphenol complex. The amorphous character of the Co2+ complex was emphasized with the appearance of a hump in the XRD pattern. From UV-Visible spectroscopy, the optical properties, such as absorption edge, refractive index (n), (εr), (εi), and bandgap energy (Eg) of parent PVA and composite films were specified. The Eg of PVA was lowered from 5.8 to 1.82 eV upon addition of 45 mL of Co2+-polyphenol complex. The N/m* was calculated from the optical dielectric function. Ultimately, various types of electronic transitions within the polymer composites were specified using Tauc’s method. The direct bandgap (DBG) treatment of polymer composites with a developed amorphous phase is fundamental for commercialization in optoelectronic devices. Full article
(This article belongs to the Special Issue Optoelectronic Polymers and Devices)
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