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Synthesis, Reaction Mechanism and Application of Photocatalysts

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Photochemistry".

Deadline for manuscript submissions: 15 November 2026 | Viewed by 787

Editor


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Guest Editor
Tecnológico de Estudios Superiores de Jocotitlán, Ingeniería en Materiales, Atlacomulco Km 44.8, Ejido de San Juan y San Agustín, Jocotitlán C.P. 50700, Mexico
Interests: Raman spectrosocopy; photocatalysis; SEM; metal oxides sol-gel

Special Issue Information

Dear Colleagues,

This Special Issue focuses on recent advances in the design, synthesis, characterization and applications of photocatalysts. The scope includes novel synthesis approaches (such as Sol–Gel, Hydro-thermal or Atomic Layer deposition methods) to control the morphology, crystalline structure and optoelectronic properties of photocatalysts and fundamental research on reactions mechanisms in solid–liquid or solid–gas interfaces under irradiation. We want to deepen the understanding of the separation and transportation of charge carriers, generation of active species and kinetics of reactions on material surfaces. Applications include, but are not limited to, pollutant degradation, solar fuel production (i.e. hydrogen, methanol), nitrogen fixation, CO2 reduction and microbial disinfection.  We invite contributions (original research articles and reviews) presenting significant advances in materials (metallic oxides, sulfides, nitrides, MOF’s, 2D materials, and heterostructures) and modification strategies (doping, vacancy creation, and co-catalyst coupling) and those linking a material’s intrinsic properties with its performance and photocatalytic characteristics.

Dr. Víctor Hugo Castrejón-Sánchez
Guest Editor

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 250 words) can be sent to the Editorial Office for assessment.

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. Molecules is an international peer-reviewed open access semimonthly 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 2700 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

  • photocatalysis
  • material synthesis
  • reaction mechanism
  • pollutant degradation
  • solar fuels
  • heterostructures
  • renewable energy
  • sustainable catalysis
  • semiconductors
  • water purification

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Published Papers (1 paper)

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Review

16 pages, 1673 KB  
Review
Research Progress on Nano-TiO2 Photocatalytic Degradation of Automobile Exhaust
by Yang Yang, Sitong Bie, Haiping Liu, Jie Li, Xiaoxue Zhang and Zijun Zhang
Molecules 2026, 31(9), 1439; https://doi.org/10.3390/molecules31091439 - 27 Apr 2026
Viewed by 497
Abstract
Nano-TiO2 is widely used in many industrial fields due to its unique physical and chemical properties. In recent years, it has become a core material in the research of road engineering for degrading automobile exhaust. Under ultraviolet irradiation, it can excite electron-hole [...] Read more.
Nano-TiO2 is widely used in many industrial fields due to its unique physical and chemical properties. In recent years, it has become a core material in the research of road engineering for degrading automobile exhaust. Under ultraviolet irradiation, it can excite electron-hole pairs and use its strong redox capacity to decompose automobile exhaust and improve air quality. From the perspectives of materials, performance and engineering application, this paper briefly describes the structure and physicochemical properties of nano-TiO2, reviews the recent research progress of nano-TiO2 in the photocatalytic degradation of automobile exhaust, systematically compares the effects of various strategies such as incorporation methods and modified materials on exhaust degradation efficiency, and conducts a quantitative analysis of performance differences. It is pointed out that insufficient road durability, poor compatibility with pavement materials and limited adaptability to unconventional environments are the main current problems and challenges in this research direction. The future development directions such as developing self-healing composite systems and constructing machine learning prediction models are also prospected. Full article
(This article belongs to the Special Issue Synthesis, Reaction Mechanism and Application of Photocatalysts)
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