New Synthetic Approaches for the Preparation of Nanomaterials Active in Catalysis and Photocatalysis

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

Deadline for manuscript submissions: closed (31 October 2025) | Viewed by 1143

Special Issue Editors


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Guest Editor
Institute of Nanostructured Materials, Palermo Research Division, CNR-ISMN, Via Ugo La Malfa 153, 90146 Palermo, Italy
Interests: supported noble metals; nanostructured and mesoporous oxides; inorganic perovskites; catalytic applications in soot oxidation and NOx SCR of exhaust gases emitted from stationary and mobile sources; VOC oxidation; dry/steam hydrocarbon reforming; CO2 hydrogenation to CH4 and light olefines
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Institute of Nanostructured Materials, Palermo Research Division, CNR-ISMN, Via Ugo La Malfa 153, 90146 Palermo, Italy
Interests: nanostructured and mesoporous materials; organic-inorganic hybrid materials; carbon nanostructures; POSS nanocages; supported metal nanoparticles; heterogeneous catalysis; polymeric materials; CO2 conversion into value-added products

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Guest Editor
Department Engineering, University of Palermo, 90133 Palermo, PA, Italy
Interests: preparation of photo-catalysts; photocatalytic reactions for water and atmosphere depollution; photocatalytic reduction of carbon dioxide and photo-reforming; photo-catalytic partial oxidation reactions of compounds derived from biomass to obtain substances with high added value; thermo-photo-catalytic processes able to exploit light radiation to increase thermo-catalytic activity; optimization of catalytic processes for transformation of compounds deriving from biomass into platform molecules with high added value
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Progress in the preparation of functional nanomaterials for sustainable applications is intensely driven by the societal obligation to mitigate environmental pollution, energy crisis and climate change.

In the field of heterogeneous catalysis, the design of advanced catalytic systems encompasses a broad range of synthetic methods that lead to solid materials with tailored properties and improved performances. The synthetic approaches of advanced materials strongly impact their catalytic behavior, which is in turn related to some features like compositions, textures, surface active sites and homogeneity.

This Special Issue, “New Synthetic Approaches for the Preparation of Nanomaterials Active in Catalysis, Photocatalysis and Thermo-photo-catalysis”, is devoted to highlighting recent contributions and trends in the synthesis of heterogeneous catalytic systems for environmental applications including biomass valorization, CO2 conversion into value-added products, efuels and hydrogen production, among others. The research topic covers the preparation of organic, inorganic, or organic–inorganic hybrid materials with catalytic and photocatalytic activity. Reviews and mini-reviews giving an overview on the state of the art and future perspectives in the synthesis of nanomaterials for different branches of catalysis will also be considered with the aim of inspiring the development of innovative green technologies.

Dr. Leonarda Liotta
Dr. Carla Calabrese
Dr. Giuseppe Marcì
Guest Editors

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Keywords

  • heterogeneous catalysts
  • hybrid materials
  • photocatalysis
  • green synthesis
  • nanostructures
  • metal nanoparticles
  • nanomaterials

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Published Papers (1 paper)

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Research

17 pages, 3163 KB  
Article
Effect of Incorporation of Mg on LiTa0.6Nb0.4O3 Photocatalytic Performance in Air-Cathode MFCs for Bioenergy Production and Wastewater Treatment
by Fouzia Allali, Kaoutar Kara, Siham Elmazouzi, Noureddine Lazar, Latifa Tajounte, Noureddine Touach, Abdellah Benzaouak, El Mostapha Lotfi, Abdelilah Lahmar and Leonarda Francesca Liotta
Nanomaterials 2025, 15(24), 1837; https://doi.org/10.3390/nano15241837 - 5 Dec 2025
Viewed by 264
Abstract
Microbial fuel cells are a new alternative for sustainable energy generation and wastewater treatment technology. To scale up this technology, cost-effective electrodes are required. The electrochemical reduction of oxygen at the cathode is a key reaction for power generation. Noble metals, especially Pt, [...] Read more.
Microbial fuel cells are a new alternative for sustainable energy generation and wastewater treatment technology. To scale up this technology, cost-effective electrodes are required. The electrochemical reduction of oxygen at the cathode is a key reaction for power generation. Noble metals, especially Pt, are extensively used as cathode catalysts in MFC; however, its application is limited to its high cost and catalyst poisoning. Ferroelectric materials are reported as a good candidate due to their spontaneous polarization. The main objective of this study is to prepare and characterize the cost-effective ferroelectric materials LiTa0.6 Nb0.4 O3 and Li0.95 Ta0.57 Nb0.38 Mg0.15 O3 in order to test their catalytic activity in air-cathode MFC. Powders were prepared following the solid-state synthesis and characterized using Scanning Electron Microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction. To evaluate the electrochemical performance of the catalysts, electrochemical studies such as EIS, CV, LSV, and CA were conducted. In MFC, the performance of our material has been investigated using COD determination and polarization measurement. The obtained results demonstrate the potential of Li0.95 Ta0.57 Nb0.38 Mg0.15 O3 as a low-cost and effective catalyst material in MFCs, showing a high COD removal up to 75%, and power-density output of 764 mW/m2. Full article
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