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Catalysts
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Nanocatalysis: Integrating Sustainability and Innovation Across Diverse Applications
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Nanocatalysis: Integrating Sustainability and Innovation Across Diverse Applications

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

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 1702

Special Issue Editor

Dr. Waqas Alam Mir

E-Mail Website
Guest Editor
Department of Physics, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
Interests: nanomaterials; catalysics; green synthesis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue, titled "Nanocatalysis: Integrating Sustainability and Innovation Across Diverse Applications", aims to highlight cutting-edge research and advancements in the field of nanocatalysis, focusing on its pivotal role in driving sustainable development and innovative solutions across various sectors. Nanocatalysis, with its ability to enhance reaction rates and selectivity at the molecular level, is emerging as a key technology in addressing global challenges such as environmental pollution, energy conversion, and sustainable manufacturing processes.

This Special Issue invites contributions that explore the synthesis, characterization, and application of nanomaterials such metal oxides in diverse fields, including environmental remediation, renewable energy, green chemistry, and biomedical applications. We seek research that demonstrates how nanocatalysis can be leveraged to develop eco-friendly processes, reduce energy consumption, and minimize waste, thereby contributing to a more sustainable future. Additionally, studies that show new ways for nanocatalysts to work and how they can be used in industrial and environmental processes, are strongly encouraged. By bringing together innovative research from across the globe, this Special Issue aims to provide a comprehensive overview of the current state of nanocatalysis, its challenges, and its potential to revolutionize various industries while promoting sustainability and innovation.

Dr. Waqas Alam Mir
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

  • nanocatalysis
  • electrochemical applications
  • sustainable energy solutions
  • environmental remediation
  • advanced nanomaterials
  • green chemistry
  • multifunctional catalysts

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Published Papers (2 papers)

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Research

18 pages, 4175 KiB  
Article
Co-Doped Ni@Ni(OH)2 Core–Shell Catalysts for Dual-Function Water and Urea Oxidation
by Saba A. Aladeemy, Maged N. Shaddad, Talal F. Qahtan, Abdulrahman I. Alharthi, Kamal Shalabi, Abdullah M. Al-Mayouf and Prabhakarn Arunachalam
Catalysts 2025, 15(5), 474; https://doi.org/10.3390/catal15050474 - 12 May 2025
Viewed by 307
Abstract
Crystalline–amorphous core–shell-like heterostructures have attracted considerable attention in electrocatalysis due to their unique electronic and structural properties; however, tuning the surface composition of the amorphous shell remains a major challenge. In this work, we report a simple, low-cost, one-pot hydrazine-assisted chemical deposition method [...] Read more.
Crystalline–amorphous core–shell-like heterostructures have attracted considerable attention in electrocatalysis due to their unique electronic and structural properties; however, tuning the surface composition of the amorphous shell remains a major challenge. In this work, we report a simple, low-cost, one-pot hydrazine-assisted chemical deposition method for synthesizing a series of Co-doped Ni@Ni(OH)2 catalysts with a crystalline Ni core and an amorphous Ni(OH)2 shell. Among the prepared catalysts, the sample containing 10 wt.% cobalt (denoted as b-Co-doped Ni@Ni(OH)2) exhibited the highest electrocatalytic activity toward both the oxygen evolution reaction (OER) and the urea oxidation reaction (UOR). In 1.0 M KOH, the b-Co-doped Ni@Ni(OH)2 catalyst achieved a 40 mV lower overpotential at 50 mA·cm−2 compared to undoped Ni@Ni(OH)2 for the OER. For the UOR in 0.33 M urea/1.0 M KOH, it delivered approximately twice the anodic current density relative to the undoped sample, along with improved reaction kinetics as evidenced by a Tafel slope of 70.7 mV·dec−1. This performance enhancement is attributed to the optimized core–shell-like architecture, cobalt doping-induced electronic modulation, increased electrochemically active surface area, and improved charge transfer efficiency. Overall, this study demonstrates a promising and scalable strategy for designing advanced Ni-based bifunctional catalysts for sustainable energy conversion and wastewater treatment applications. Full article
(This article belongs to the Special Issue Nanocatalysis: Integrating Sustainability and Innovation Across Diverse Applications)
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13 pages, 3487 KiB  
Article
Synthesis, Characterization, and Hydrogen Evolution Reaction Activity of MoS2 Nanostructures Prepared Using Nonionic Surfactant
by Kawther Al-Amer, Shroq S. Laradhi, Shrouq H. Aleithan and Hany M. Abd El-Lateef
Catalysts 2024, 14(11), 804; https://doi.org/10.3390/catal14110804 - 9 Nov 2024
Cited by 1 | Viewed by 1059
Abstract
Molybdenum disulfide (MoS2) has garnered significant interest as an auspicious catalytic material for the hydrogen evolution reaction (HER). Here, MoS2 nanostructures are synthesized using the hydrothermal method with ammonium molybdate tetrahydrate ((NH4)6Mo7O24∙4H [...] Read more.
Molybdenum disulfide (MoS2) has garnered significant interest as an auspicious catalytic material for the hydrogen evolution reaction (HER). Here, MoS2 nanostructures are synthesized using the hydrothermal method with ammonium molybdate tetrahydrate ((NH4)6Mo7O24∙4H2O) as the Mo source; thioacetamide (CH3CSNH2) as the reducing agent and S source; and nonylphenols 9, nonylphenols 40, and polysorbate 80 as the surfactants. The impact of the different nonionic surfactants on the materials is comprehensively investigated. Moreover, the MoS2 fine structure was characterized using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), Raman spectroscopy, scanning electron microscopy (SEM), and transmission scanning microscopy (TEM). The HER characteristics of the MoS2 composites are assessed through electrochemical experiments, including linear sweep voltammetry and chronoamperometry measurements. Among the prepared specimens, MoS2/NP 9 exhibits the best electrocatalytic performance in a neutral medium. Furthermore, 240 mV is required to reach the current density of 10 mAcm−2. Full article
(This article belongs to the Special Issue Nanocatalysis: Integrating Sustainability and Innovation Across Diverse Applications)
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