Design and Synthesis of Nanostructured Catalysts, 3rd Edition

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

Deadline for manuscript submissions: 15 October 2025 | Viewed by 1187

Special Issue Editor


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Guest Editor
Department of Bionanotechnology and Bioconvergence Engineering, Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju, Republic of Korea
Interests: plasmonic nanophotonics; heterogeneous catalysis; artificial photosynthesis; renewable energy; biofuels; biomaterials
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Special Issue Information

Dear Colleagues,

Following the second successful Special Issue on this topic (available here), we are happy to announce a third edition titled “Design and Synthesis of Nanostructured Catalysts, 3rd Edition”.

Catalytic studies have significantly advanced with the emergence of nanotechnology as a key technology of modern times. Nanotechnology has progressed synthetic techniques so that they may control and maintain uniformity in shape, size, morphology, and composition, as well as excel in catalytic performance. Nanostructured catalysts of metals, oxides, semiconductors, and other compounds transpire at the interface between heterogeneous and homogeneous catalytic processes, and enable high efficiency, better selectivity, great stability, easier recovery, and recycling. The nanostructured catalysts are the focus of this Special Issue, which aims to cover the synthesis of numerous nanostructured catalysts, such as metal oxides (alkali, alkaline, and transition metal oxides), photocatalytic nanomaterials, and nanofibrous materials, in addition to applications in CO2 conversion, hydrogen production, fuel cells, composite solid rocket propellants, energy storage, medicines, dye, bio-fuel production, water purification, and many other chemical reactions, such as electrocatalytic processes, photocatalytic reactions, coupling reactions, hydrogenation, reduction reactions, oxidation reactions, and others.

If you would like to submit papers to this Special Issue or have any questions, please contact the in-house editor, Ms. Rita Lin (rita.lin@mdpi.com).

Dr. Dinesh Kumar
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 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

  • plasmonic nanomaterials
  • metal nano-oxides
  • metal–organic frameworks
  • semiconductor nanostructures
  • 2D materials
  • surface-engineered catalysts
  • defect engineering
  • electrocatalysts
  • photocatalysts

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Published Papers (2 papers)

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Research

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13 pages, 3611 KiB  
Article
Surfactant-Assisted Catalyst Ink Dispersion for Enhanced Cell Performance of Proton Exchange Membrane Fuel Cells
by Jaeyoung Kim, Dong-Hyun Lee, Hyun-Soo Kim, Gyungse Park, In-Tae Kim, Md. Masud Rana, Hyoung-Juhn Kim, Ho-Jung Sun and Joongpyo Shim
Catalysts 2025, 15(8), 790; https://doi.org/10.3390/catal15080790 - 19 Aug 2025
Viewed by 148
Abstract
This study examines the effects of several commercial surfactants on the dispersion of catalyst inks for proton exchange membrane fuel cells (PEMFCs). Catalyst inks containing Pt/C were spray-coated and assembled into membrane electrode assemblies (MEAs) by hot pressing. The structural and electrochemical properties [...] Read more.
This study examines the effects of several commercial surfactants on the dispersion of catalyst inks for proton exchange membrane fuel cells (PEMFCs). Catalyst inks containing Pt/C were spray-coated and assembled into membrane electrode assemblies (MEAs) by hot pressing. The structural and electrochemical properties of the resulting catalyst layers were characterized through particle size analysis, zeta potential measurements, contact angle determinations, and single-cell performance tests. Among the formulations evaluated, the ink with non-ionic surfactant Triton X-100 (TX) delivered the best performance, achieving a current density of 1134 mA/cm2 at 0.3 V—substantially higher than that of the surfactant-free control. These findings provide practical guidance for selecting appropriate surfactants to optimize catalyst-ink preparation and enhance PEMFC performance. Full article
(This article belongs to the Special Issue Design and Synthesis of Nanostructured Catalysts, 3rd Edition)
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Review

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38 pages, 6778 KiB  
Review
Challenges and Opportunities for g-C3N4-Based Heterostructures in the Photodegradation of Environmental Pollutants
by Eduardo Estrada-Movilla, Jhonathan Castillo-Saenz, Benjamín Valdez-Salas, Álvaro Ortiz-Pérez, Ernesto Beltrán-Partida, Jorge Salvador-Carlos and Esneyder Puello-Polo
Catalysts 2025, 15(7), 653; https://doi.org/10.3390/catal15070653 - 4 Jul 2025
Viewed by 763
Abstract
Graphitic carbon nitride (g-C3N4) is emerging as one of the most promising non-metallic semiconductors for the degradation of pollutants in water by photocatalytic processes. Its exceptional reduction–oxidation (redox) potentials and adequate band gap of approximately 2.7 eV give it [...] Read more.
Graphitic carbon nitride (g-C3N4) is emerging as one of the most promising non-metallic semiconductors for the degradation of pollutants in water by photocatalytic processes. Its exceptional reduction–oxidation (redox) potentials and adequate band gap of approximately 2.7 eV give it the ability to absorb in the visible light range. However, the characteristic sensitivity to light absorption is limited, leading to rapid recombination of electron–hole pairs. Therefore, different strategies have been explored to optimize this charge separation, among which the formation of heterostructures based on g-C3N4 is highlighted. This review addresses recent advances in photocatalysis mediated by g-C3N4 heterostructures, considering the synthesis methods enabling the optimization of the morphology and active interface of these materials. Next, the mechanisms of charge transfer are discussed in detail, with special emphasis on type II, type S, and type Z classifications and their influence on the efficiency of photodegradation. Subsequently, the progress in the application of these photocatalysts for the degradation of water pollutants, such as toxic organic dyes, pharmaceutical pollutants, pesticides, and per- and polyfluoroalkyl substances (PFAS), are analyzed, highlighting both experimental advances and remaining challenges. Finally, future perspectives oriented towards the optimization of heterostructures, the efficiency of synthesis methods, and the practical application of these in photocatalytic processes for environmental remediation. Full article
(This article belongs to the Special Issue Design and Synthesis of Nanostructured Catalysts, 3rd Edition)
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