Nanostructured Photocatalysts for Environmental and Energy Applications

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

Deadline for manuscript submissions: 30 July 2026 | Viewed by 1233

Special Issue Editor


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Guest Editor
College of Transportation Engineering, Dalian Maritime University, Dalian 116026, China
Interests: photocatalysis; electrocatalysis; CO2 reduction; photodedradation
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Special Issue Information

Dear Colleagues,

This Special Issue, Nanostructured Photocatalysts for Environmental and Energy Applications, explores the cutting-edge intersection of nanotechnology and photocatalysis to address global challenges in sustainability. Nanostructured materials—including metal oxides, sulfides, perovskites, and carbon-based composites—exhibit unique optical, electronic, and surface properties that enhance light absorption, charge separation, and catalytic activity, making them pivotal for renewable energy production and environmental remediation.

The issue will feature original research and reviews on topics such as the design and synthesis of novel nanostructures; mechanisms of photocatalytic reactions (e.g., water splitting for H2 generation, CO2 reduction to fuels, H2O2 production, and degradation of pollutants); and strategies to improve performance (e.g., heterojunction construction, doping, and defect engineering). Additionally, it will highlight scalable fabrication techniques and real-world applications, bridging lab-scale innovation with industrial feasibility.

By bringing together interdisciplinary contributions from materials science, chemistry, and engineering, this Special Issue aims to advance the field of nanostructured photocatalysis and accelerate its translation into sustainable technologies that mitigate environmental pollution and meet the growing demand for clean energy.

Dr. Wenjun Jiang
Guest Editor

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Keywords

  • nanostructured photocatalysts
  • renewable energy conversion
  • environmental remediation
  • water splitting
  • CO2 photoreduction
  • H2O2 photosynthesis
  • pollutant degradation
  • charge carrier dynamics

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Published Papers (1 paper)

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Review

41 pages, 7798 KB  
Review
Catalyst Engineering for Photocatalytic Hydrogen Peroxide Production: State-of-the-Art Progress and Future Perspectives
by Yangyulu Huang, Shurui Cheng, Qixuan Chi and Wenjun Jiang
Nanomaterials 2026, 16(8), 466; https://doi.org/10.3390/nano16080466 - 15 Apr 2026
Viewed by 997
Abstract
Hydrogen peroxide (H2O2) plays a vital role as an eco-friendly oxidizer, extensively used in environmental cleanup, energy transformation, and organic production. Nonetheless, the conventional method of creating anthraquinones is intricate, resulting in significant energy and ecological costs, which calls [...] Read more.
Hydrogen peroxide (H2O2) plays a vital role as an eco-friendly oxidizer, extensively used in environmental cleanup, energy transformation, and organic production. Nonetheless, the conventional method of creating anthraquinones is intricate, resulting in significant energy and ecological costs, which calls for the development of more eco-friendly and efficient substitute technologies. The article methodically examines the reaction processes and methods for improving efficiency in photocatalytic H2O2 generation in the past few years. This review summarizes the design principles and key structural features of various novel catalytic materials, focusing on light absorption, charge separation and migration, surface redox reactions, and enhanced mass transfer. Approaches such as expanding the range of bandgap absorption, building conjugated structures, and incorporating metal nanoclusters can significantly enhance the efficiency of light absorption. In the charge separation process, constructing built-in electric fields at the interfaces of heterojunctions, homojunctions, and Schottky junctions is crucial for improving reaction efficiency. Additionally, defect engineering may encourage targeted carrier movement and minimize recombination. The review highlights the latest advancements in enhancing selectivity and reducing H2O2 breakdown in surface redox reactions, achieved by regulating active sites, introducing new functional groups, and developing dual-channel reaction pathways. Furthermore, constructing three-phase interfaces, regulating asymmetric wettability, and designing cyclic/flow reactors provide innovative engineering solutions to address the challenges of insufficient oxygen supply and large-scale continuous production. Ultimately, the potential for producing H2O2 in photocatalytic systems is detailed. Full article
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