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Functional Graphene-Polymer Composites, 2nd Edition

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

Deadline for manuscript submissions: 31 July 2025 | Viewed by 1571

Special Issue Editors


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Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy
Interests: smart polymeric materials; sensor nanocomposites; mechanochromic materials; self-healing composites
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Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación, Universidad Tecnológica Metropolitana, Ignacio Valdivieso 2409, P.O. Box 8940577, San Joaquín, Santiago 8940000, Chile
Interests: multifunctional polymers; carbonaceous nanostructures; self-healing composites
Special Issues, Collections and Topics in MDPI journals

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Center for Materials Interfaces, Istituto Italiano di Tecnologia (IIT), 56025 Pontedera, Italy
Interests: polymer composites; polymeric surfactant; self-healing polymers; soft robotics materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue focuses on the design and applications of functional graphene–polymer nanocomposites. The study of these materials has increased significantly in recent decades due to their outstanding properties. On the one hand, the addition of graphene into polymer matrices enhances their mechanical, thermal, and electrical properties compared to neat polymers. On the other hand, polymeric matrices support graphene through different chemical and physical interactions at the polymer/graphene interface, thus offering new possibilities of processing. These materials have found applications in the construction, automobile, aerospace, electronics, and biomedical fields.

This Special Issue covers fundamental research and applications of functional graphene–polymer nanocomposites. It deals with the different methods of fabrication, characterization, and application of graphene–polymer nanocomposites associated with self-healing materials, water purification composites, sensors, actuators, soft robotics materials, and many others.

Prof. Dr. Andrea Pucci
Dr. Rodrigo Araya-Hermosilla
Dr. Esteban Araya-Hermosilla
Guest Editors

Manuscript Submission Information

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Keywords

  • graphene
  • reduced graphene oxide
  • functional polymers
  • chemical and physical interfacial interactions
  • nanocomposite sensors
  • self-healing nanocomposites
  • soft robotics materials
  • nanocomposite processing
  • characterization and applications

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Published Papers (1 paper)

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Research

16 pages, 5216 KiB  
Article
Design and Optimization of PEDOT/Graphene Oxide and PEDOT/Reduced Graphene Oxide Electrodes to Improve the Performance of Microbial Fuel Cells, Accompanied by Comprehensive Electrochemical Analysis
by Gean Arteaga-Arroyo, Andrea Ramos-Hernández, Aldeir De Los Reyes-Rios, Maximiliano Méndez-López, Karina Pastor-Sierra, Daniel Insuasty, Edgar Marquez and Jayson Fals
Polymers 2024, 16(22), 3134; https://doi.org/10.3390/polym16223134 - 10 Nov 2024
Cited by 1 | Viewed by 1245
Abstract
A comprehensive investigation into the design and electrochemical optimization of composite electrodes consisting of poly(3,4-ethylenedioxythiophene) (PEDOT)/graphene oxide (GO)/Methanococcus deltae and reduced graphene oxide (rGO)/Methanococcus deltae hybrids, anchored onto stainless-steel (SS) substrates, has been conducted. The GO and rGO materials were synthesized [...] Read more.
A comprehensive investigation into the design and electrochemical optimization of composite electrodes consisting of poly(3,4-ethylenedioxythiophene) (PEDOT)/graphene oxide (GO)/Methanococcus deltae and reduced graphene oxide (rGO)/Methanococcus deltae hybrids, anchored onto stainless-steel (SS) substrates, has been conducted. The GO and rGO materials were synthesized using a modified Hummer method. The resulting SS/PEDOT/GO and SS/PEDOT/rGO composite electrodes were subjected to systematic electrochemical characterization, focusing on the PEDOT p-type and n-type doping/undoping processes within diverse solvent environments (CH3CN and H2O) and electrolyte compositions (LiClO4 and KCl). Raman spectroscopy analysis confirmed the successful integration of graphene derivatives into the electrode structures, while field-emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM) revealed increased surface roughness upon GO and rGO incorporation. This increase in surface roughness is believed to enhance the adhesion of Methanococcus deltae microorganisms and facilitate efficient electron transport. Electrochemical measurements showed that the resulting SS/PEDOT/GO and SS/PEDOT/rGO anodes exhibit remarkable electrocatalytic activity. The SS/PEDOT/GO electrode achieved a maximum power density of 1014.420 mW/cm2, while the SS/PEDOT/rGO electrode reached 632.019 mW/cm2. Full article
(This article belongs to the Special Issue Functional Graphene-Polymer Composites, 2nd Edition)
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