Advances in Nanoenergetic Materials: Synthesis, Characterization, and Emerging Applications

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: 20 June 2025 | Viewed by 498

Special Issue Editor


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Guest Editor
Department of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
Interests: photocatalytic water splitting; hydrogen production; dye degradation; supercapacitors; batteries; self cleaning

Special Issue Information

Dear Colleagues,

The field of Nanoenergetic Materials has become increasingly significant, driven by the demand for efficient, high-energy systems in the defense, aerospace, and energy sectors. These materials, composed of nanoscale fuels and oxidizers, exhibit enhanced combustion performance, rapid energy release, and greater energy densities compared to their conventional counterparts. The reduced particle size at the nanoscale provides increased surface area and shorter diffusion paths, improving ignition sensitivity and combustion speed.

This Special Issue aims to showcase cutting-edge research and advancements in the synthesis, characterization, and real-world applications of nanoenergetic materials. Topics will include innovative synthesis approaches such as sol–gel processes, hydrothermal synthesis, and flame spray pyrolysis, alongside studies focusing on catalytic nanoenergetics, thermite reactions, and composite materials. Applications in propellants, explosives, pyrotechnics, and micro-electromechanical systems (MEMSs) will also be explored.

We invite contributions that address both experimental and theoretical insights, bridging the gap between fundamental research and practical implementations. The goal is to stimulate further developments in this dynamic field, bringing together novel perspectives from chemistry, materials science, and engineering.

Dr. Ramesh Reddy Nallapureddy
Guest Editor

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Keywords

  • nanoenergetic materials
  • synthesis of energetic nanomaterials
  • combustion and ignition properties
  • energy release mechanisms
  • propellants and explosives
  • catalytic nanoenergetics
  • thermite reactions
  • high-energy-density materials
  • nanocomposite energetic systems

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Published Papers (1 paper)

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Research

16 pages, 4125 KiB  
Article
Photosensitizer and Charge Separator Roles of g-C₃N₄ Integrated into the CuO-Fe₂O₃ p-n Heterojunction Interface for Elevating PEC Water Splitting Potential
by Ramesh Reddy Nallapureddy, Sai Kumar Arla, Andrés Ibáñez, Durga Prasad Pabba, Jae Hak Jung and Sang Woo Joo
Nanomaterials 2025, 15(7), 551; https://doi.org/10.3390/nano15070551 - 4 Apr 2025
Viewed by 370
Abstract
In sustainable hydrogen generation, photoelectrochemical (PEC) water splitting stands as a crucial technology, offering solutions to the global energy crisis while tackling environmental challenges. PEC water splitting relies on metal oxide nanostructures due to their unique electronic and optical characteristics. This research highlights [...] Read more.
In sustainable hydrogen generation, photoelectrochemical (PEC) water splitting stands as a crucial technology, offering solutions to the global energy crisis while tackling environmental challenges. PEC water splitting relies on metal oxide nanostructures due to their unique electronic and optical characteristics. This research highlights the development of a CuO-Fe2O3@g-C3N4 nanocomposite, created through the integration of three components and fabricated via a one-pot hydrothermal process, precisely engineered to enhance PEC water-splitting efficiency. The combination of CuO, Fe2O3, and g-C3N4 results in a unified heterojunction structure that efficiently mitigates issues associated with charge carrier recombination and structural stability. Additionally, the analyses of both the structure and composition confirmed the precise synthesis of the composite. The CuO-Fe2O3@g-C3N4 nanocomposite achieved a photocurrent density of 1.33 mA cm−2 vs. Ag/AgCl upon exposure to light, demonstrating superior PEC performance and outperforming the individual CuO and Fe2O3 components. The enhanced performance is attributed to g-C3N4 acting as a photoactive material, generating charge carriers, while the combination of CuO-Fe2O3 enables efficient carrier separation and mobility. This synergistic interaction significantly enhances photocurrent generation and ensures long-term stability, positioning the material as a highly promising solution for sustainable hydrogen production. These results highlight the promise of hybrid nanocomposites in driving progress in renewable energy technologies, opening new avenues for the development of more efficient and long-lasting PEC systems. Full article
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