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Promising Catalytic Materials for Energy and Environmental Applications

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

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1296

Special Issue Editors


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Guest Editor
Centro de Investigación en Materiales Avanzados, S. C. (CIMAV) Miguel de Cervantes 120 Complejo Ind. Chihuahua, Chihuahua 31136, CH, Mexico
Interests: CO2 reduction; H2 generation; emerging pollutants; degradation; generation of value-added compounds; air pollutants removal (NOx, SOx, VOCs); soil remediation; antimicrobial applications; elucidation of new catalytic mechanisms; electrocatalysis

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Guest Editor
Departamento de Ecomateriales y Energía, Facultad de Ingeniería Civil, Universidad Autónoma de Nuevo León, Cd. Universitaria, San Nicolás de los Garza C.P. 66455, NL, Mexico
Interests: CO2 photoreduction; self-cleaning; alternative photocatalytic cementitious materials

Special Issue Information

Dear Colleagues,

Climate change has forced the scientific community to explore new alternative methods of mitigating environmental problems. One method of solving these issues is heterogeneous photocatalysis. This technology has been met with success in terms of reducing CO2 molecule into solar fuels, splitting water molecules to generate H2 and O2, removing air pollutants, etc. However, the design and development of new catalytic materials is an important issue that must be solved.

We are pleased to invite you to submit your research related to the promising new catalytic materials for energy and environmental applications. This Special Issue will serve as an advanced forum to discuss and interface different approaches for the synthesis and development of new catalytic materials.

This Special Issue will provide a guide of frontier knowledge generated to enable the scientific community to develop new ideas and concepts to facilitate the design of catalytic materials with better efficiencies to generate clean and renewable energy and to provide strategies to remove different pollutants from the natural sources, e.g., air, water, and soil.

In this Special Issue, both original research articles and reviews are welcome. Research areas may include (but not limited to) the following: synthesis of new catalytic materials, optimization of photocatalytic reactors, CO2 reduction, H2 production, O2 evolution, degradation of organic molecules, e.g., dyes, antibiotics, plastics, etc.

We look forward to receiving your contributions.

Prof. Dr. Leticia M. Torres-Martínez
Dr. Edith Luévano-Hipólito
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. 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

  • CO2 reduction
  • H2 generation
  • emerging pollutants degradation
  • generation of value-added compounds
  • air pollutants removal (NOx, SOx, VOCs)
  • soil remediation
  • antimicrobial applications
  • elucidation of new catalytic mechanisms
  • electrocatalysis

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Published Papers (1 paper)

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Research

28 pages, 8358 KiB  
Article
Photocatalytic Degradation of Naproxen: Intermediates and Total Reaction Mechanism
by Daniela González-Pereyra, Ilse Acosta, Brenda Zermeño, Johana Aguilar, Elisa Leyva and Edgar Moctezuma
Molecules 2024, 29(11), 2583; https://doi.org/10.3390/molecules29112583 - 30 May 2024
Viewed by 894
Abstract
Photochemical and photocatalytic oxidation of naproxen (NPX) with UV-A light and commercial TiO2 under constant flow of oxygen have been investigated. Adsorption experiments indicated that 90% of the solute remained in the solution. Combined chemical analysis of samples on the photochemical degradation [...] Read more.
Photochemical and photocatalytic oxidation of naproxen (NPX) with UV-A light and commercial TiO2 under constant flow of oxygen have been investigated. Adsorption experiments indicated that 90% of the solute remained in the solution. Combined chemical analysis of samples on the photochemical degradation indicated that NPX in an aqueous solution (20 ppm) is efficiently transformed into other species but only 18% of the reactant is mineralized into CO2 and water after three hours of reaction. Performing the photocatalytic oxidation in the presence of TiO2, more than 80% of the organic compounds are mineralized by reactive oxidation species (ROS) within four hours of reaction. Analysis of reaction mixtures by a combination of analytical techniques indicated that naproxen is transformed into several aromatic naphthalene derivatives. These latter compounds are eventually transformed into polyhydroxylated aromatic compounds that are strongly adsorbed onto the TiO2 surface and are quickly oxidized into low-molecular-weight acids by an electron transfer mechanism. Based on this and previous studies on NPX photocatalytic oxidation, a unified and complete degradation mechanism is presented. Full article
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