Multifunctional Bio-Based and Hybrid Materials for Environmental and Energy Transitions

A Special Issue of Processes (ISSN 2227-9717) belonging to the section "Environmental and Green Processes".

Deadline for manuscript submissions: 28 February 2027 | Viewed by 736

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Guest Editor
Department of Basic and Applied Sciences, The University of Guadalajara, Tonala 45425, Mexico
Interests: nanostructured materials; energy conversion and storage; optical properties

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Guest Editor
Department of Water and Energy Studies, The University of Guadalajara, Tonala 45425, Mexico
Interests: biomass valorization; circular economy; cellulose; energy conversion and storage; nanomaterial and green synthesis
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Special Issue Information

Dear Colleagues,

The global transition toward sustainable environmental and energy systems requires the development of next-generation materials that are not only efficient but also environmentally benign, resource-efficient, and multifunctional. In this context, bio-based and hybrid materials derived from renewable resources, biomass, and waste streams have emerged as promising candidates to address interconnected challenges in environmental remediation, energy conversion and storage, and industrial sustainability.

This Special Issue aims to bring together cutting-edge research on the design, synthesis, characterization, and processing of multifunctional bio-based and hybrid materials, highlighting their role in enabling environmental and energy transitions within circular economy frameworks. Emphasis is placed on materials that integrate multiple functionalities—such as adsorption, catalysis, electrochemical activity, and antimicrobial properties—and their incorporation into green, efficient, and scalable processes.

We are pleased to invite you to contribute to our collective knowledge and thus be able to understand and remedy the challenges of climate change in favor of the environment. We welcome original research articles and review papers covering, but not limited to, the following topics:

  • Bio-based materials derived from biomass, agricultural residues, and industrial waste;
  • Hybrid and nanostructured materials for environmental and energy-related applications;
  • Electrocatalytic and photocatalytic materials for sustainable processes;
  • Materials for energy conversion, storage, and water–energy nexus applications;
  • Green synthesis routes and low-energy processing strategies;
  • Integration of multifunctional materials into circular and sustainable process systems;
  • Life cycle assessment and sustainability evaluation of advanced materials.

This Special Issue seeks to provide a multidisciplinary platform for researchers working at the intersection of materials science, chemical and environmental engineering, energy technologies, and sustainable process design, fostering innovative solutions that contribute to global sustainability goals.

Dr. Victor Hugo Romero Arellano
Dr. Belkis Sulbarán Rangel
Guest Editors

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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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • bio-based materials
  • hybrid materials
  • multifunctional materials
  • biomass valorization
  • circular economy
  • energy conversion and storage
  • nanocomposites
  • green synthesis
  • water–energy–environment nexus

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Published Papers (1 paper)

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Research

22 pages, 11775 KB  
Article
Modulation of Electrical Charge Transfer in Cornstarch-Based Films Through Carbonized Polymer Dots and Their Validation as Electrodes in Triboelectric Nanogenerators
by Jennifer A. Ayala-Arenas, José G. Quiñones-Galván, Enrique Campos-González, Victor H. Romero-Arellano and José M. Blancas-Flores
Processes 2026, 14(18), 2941; https://doi.org/10.3390/pr14182941 - 16 Sep 2026
Viewed by 191
Abstract
In this study, electrically conductive cornstarch-based films are developed by incorporating carbonized polymer dots (CPDs), and their charge-transfer capability is evaluated through their electrical characterization and their validation as electrodes in a triboelectric nanogenerator (TENG). The incorporation of controlled amounts of CPDs promoted [...] Read more.
In this study, electrically conductive cornstarch-based films are developed by incorporating carbonized polymer dots (CPDs), and their charge-transfer capability is evaluated through their electrical characterization and their validation as electrodes in a triboelectric nanogenerator (TENG). The incorporation of controlled amounts of CPDs promoted the formation of conductive pathways within the cornstarch matrix, improved charge transport, and reduced electrical resistance, with a maximum conductivity of 196.602 µΩ−1 cm−1 obtained for the optimized composition. Spectroscopic analyses revealed that this behavior arises from interfacial interactions between the hydroxyl-rich cornstarch chains and functionalized nitrogen-containing CPDs, which facilitate charge transfer within the polymer matrix. An optimal CPD quantity provides a balance between conductive carbon domains and polar surface functionalities, maximizing charge mobility without inducing aggregation. The improved electrical response of the optimized composite film was further validated by implementing it as an electrode in a triboelectric nanogenerator, which exhibited a current of 2.087 µA, corresponding to an approximately 334-fold enhancement compared to a reference device based on pristine cornstarch. These results firstly demonstrate that CPDs provide an effective route for modulating electrical charge transfer in cornstarch-based films and secondly highlight the potential of sustainable polymer composites as low-cost conductive materials for flexible electronics, biodegradable electrodes, and energy-related applications. Full article
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