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Catalysts
Special Issues
Environmentally Friendly Catalytic Nanomaterials for Advanced Oxidation and Reduction Technology
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Environmentally Friendly Catalytic Nanomaterials for Advanced Oxidation and Reduction Technology

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Environmental Catalysis".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 632

Special Issue Editors

Dr. Ming Zhang

E-Mail Website
Guest Editor
Department of Environmental Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
Interests: environmental functional material; advanced oxidation processes
Special Issues, Collections and Topics in MDPI journals
Dr. Zhanghao Chen

E-Mail Website
Guest Editor
State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
Interests: advanced oxidation/reduction process; emerging pollutants; radical chemistry; environmental interface reaction; contaminant degradation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In 2025, a new Special Issue of Catalysts (ISSN 2073-4344) will be launched, entitled “Environmentally Friendly Catalytic Nanomaterials for Advanced Oxidation and Reduction Technology”. Advanced oxidation and reduction technology is considered to be an effective means to deal with environmental pollution. A great deal of research has been conducted on the development of efficient catalysts. The development of environmentally friendly catalysts is considered to be in line with current development trends. We aim for this Special Issue to encompass advanced oxidation technology, advanced reduction technology, nanotechnology, and environmental modification.

Dr. Ming Zhang
Dr. Zhanghao Chen
Guest Editors

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Catalysts is an international peer-reviewed open access monthly 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 2200 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

  • nanomaterials
  • AOPs
  • ARPs
  • water treatment

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Published Papers (1 paper)

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Research

15 pages, 1737 KB  
Article
Comparative Thermal and Supramolecular Hydrothermal Synthesis of g-C3N4 Toward Efficient Photocatalytic Degradation of Gallic Acid
by Fernando Cantor Pérez, Julia Liliana Rodríguez Santillán, Ricardo Santillán Peréz, Iliana Fuentes Camargo, Issis C. Romero Ibarra, Jesús I. Guzmán Castañeda, Jorge L. Vazquez-Arce, Hugo Tiznado and Hugo Martínez Gutiérrez
Catalysts 2025, 15(9), 858; https://doi.org/10.3390/catal15090858 - 5 Sep 2025
Viewed by 315
Abstract
Gallic acid (GA), a polyphenol extensively used in the food, wine, and pharmaceutical industries, is known for its inhibitory effects on soil microbial activity. Photocatalytic degradation offers an environmentally friendly solution for GA removal from water. In this work, graphitic carbon nitride (g-C [...] Read more.
Gallic acid (GA), a polyphenol extensively used in the food, wine, and pharmaceutical industries, is known for its inhibitory effects on soil microbial activity. Photocatalytic degradation offers an environmentally friendly solution for GA removal from water. In this work, graphitic carbon nitride (g-C3N4) photocatalysts were synthesized by two methods: thermal exfoliation (CN-E) and supramolecular assembly via hydrothermal processing (HCN-II). Structural analyses by XRD, FTIR, and XPS confirmed the formation of the g-C3N4 framework, while SEM revealed that CN-E consisted of folded and curled nanosheets, whereas HCN-II displayed a polyhedral–nanosheet hybrid architecture with internal channels. Both materials achieved approximately 80% GA degradation within 180 min under visible-light irradiation, yet HCN-II exhibited a superior apparent rate constant (k = 0.01156 min−1) compared with CN-E. Radical trapping experiments demonstrated that O2•− and h+ were the primary reactive oxygen species involved, with OH• making a minor contribution. The enhanced performance of HCN-II is attributed to its higher surface area, improved light harvesting, and efficient charge separation derived from supramolecular assembly. These findings highlight the potential of engineered g-C3N4 nanostructures as efficient, metal-free photocatalysts for the degradation of recalcitrant organic pollutants in water treatment applications. Full article
(This article belongs to the Special Issue Environmentally Friendly Catalytic Nanomaterials for Advanced Oxidation and Reduction Technology)
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