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Polymers
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Advances in Polymer Materials for Electronics and Energy Devices
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Advances in Polymer Materials for Electronics and Energy Devices

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

Deadline for manuscript submissions: 31 July 2026 | Viewed by 1350

Special Issue Editor

Dr. Qingqing Yang

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, Anhui University, Hefei, China
Interests: conducting polymers; optoelectronic materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Polymers are revolutionizing electronic and energy technologies due to their versatility, tunable properties, and potential for scalable, low-cost manufacturing. This Special Issue highlights recent breakthroughs in polymer materials—such as conductive and dielectric polymers, polymer composites, and flexible/or stretchable systems—for applications in transistors, sensors, energy storage (batteries, supercapacitors), energy harvesting (solar cells, thermoelectrics), and beyond. By exploring novel synthesis, processing, characterization, and device integration, we aim to bridge material innovation with practical performance and durability.

The significance lies in addressing urgent global needs for efficient, lightweight, and sustainable electronic and energy solutions. Advanced polymer materials enable flexible, wearable, and biocompatible devices, contributing to the growth of the Internet of Things, personalized healthcare, and renewable energy systems. This Special Issue will foster interdisciplinary dialogue among chemists, physicists, engineers, and device specialists, accelerating the transition from laboratory research to real-world applications in a rapidly evolving technological landscape.

Dr. Qingqing Yang
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 250 words) can be sent to the Editorial Office for assessment.

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

  • conductive polymers 
  • polymer electrolytes 
  • flexible electronics 
  • dielectric polymers 
  • energy storage devices 
  • polymer nanocomposites 
  • printed electronics
  • solid-state batteries
  • stretchable energy harvesters
  • semiconducting polymers

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

14 pages, 1993 KB  
Article
Citric Acid-Treated PEDOT:PSS with Optimized Interfacial Energetics for Phosphorescent OLEDs Achieving over 20% EQE and Extended Lifetime
by Ming Wu, Wenqing Zhu, Zhiyin Feng, Qidi Lin and Lu Huang
Polymers 2026, 18(9), 1104; https://doi.org/10.3390/polym18091104 - 30 Apr 2026
Viewed by 407
Abstract
The hole injection layer (HIL) plays a critical role in achieving high efficiency and operational stability in organic light-emitting diodes (OLEDs). As a commonly used HIL, poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is limited by its intrinsically low electrical conductivity and mismatched work function alignment with [...] Read more.
The hole injection layer (HIL) plays a critical role in achieving high efficiency and operational stability in organic light-emitting diodes (OLEDs). As a commonly used HIL, poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is limited by its intrinsically low electrical conductivity and mismatched work function alignment with the hole transport layer (HTL), leading to inefficient hole injection and carrier imbalance. In this work, a mild citric acid (CA) treatment is used to simultaneously enhance the conductivity of PEDOT:PSS through the partial removal of insulating PSS and tune its work function for improved energy level alignment at the anode interface. This simultaneous optimization effectively enhances the hole transport capability, successfully matching the electron transport capability to realize highly improved charge carrier balance within the device. Consequently, Ir(ppy)3-based phosphorescent OLEDs featuring the optimally treated PEDOT:PSS HIL deliver a maximum external quantum efficiency of 20.37%, representing a 21% improvement over devices using pristine PEDOT:PSS, along with a twofold extension in operational lifetime. This strategy demonstrates a simple and controllable approach to interfacial engineering, providing practical guidance for the development of high-performance and stable OLEDs. Full article
(This article belongs to the Special Issue Advances in Polymer Materials for Electronics and Energy Devices)
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15 pages, 5155 KB  
Article
The Advancement of the Electrochromic Supercapacitor Properties of Interface-Engineered Hybrid Polyaniline/Prussian Blue Thin-Film Electrodes
by Suhas H. Sutar, Vinayak S. Jadhav, Dhanaji S. Dalavi, Supriya A. Patil, Sejoon Lee, Sangeun Cho, Deepak R. Patil, Nabeen K. Shrestha, Sarfraj H. Mujawar and Akbar I. Inamdar
Polymers 2026, 18(5), 583; https://doi.org/10.3390/polym18050583 - 27 Feb 2026
Viewed by 630
Abstract
There is an increasing demand for multifunctional devices, that can operate simultaneously as energy storage and electrochromic display devices, widely known as electrochromic supercapacitors. For instance, Prussian blue (PB) exhibits outstanding electrochromic properties; however, it has not been well explored for energy storage [...] Read more.
There is an increasing demand for multifunctional devices, that can operate simultaneously as energy storage and electrochromic display devices, widely known as electrochromic supercapacitors. For instance, Prussian blue (PB) exhibits outstanding electrochromic properties; however, it has not been well explored for energy storage applications. Moreover, the electrochemical properties can be enhanced by surface engineering the host material via compositing with conducting polymers. In this work, we studied the electrochromic supercapacitor properties of composites such as Prussian blue-polyaniline (PB-PANI). The PB-PANI 90 composite thin-film electrode exhibited the highest coloration efficiency of 461.39 cm2/C and demonstrated superior electrochemical performance, with an aerial capacitance of 50.80 mF/cm2 and an optical modulation of 19.4%. All samples achieved rapid switching times of less than 3 s. These findings highlight the potential of optimizing conducting polymer coatings on Prussian blue to achieve a well-balanced composite structure with enhanced morphological properties, paving the way for advanced multifunctional electrochromic supercapacitor devices in next-generation smart systems. Full article
(This article belongs to the Special Issue Advances in Polymer Materials for Electronics and Energy Devices)
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