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Catalysts
Special Issues
New Insights into Synergistic Dual Catalysis
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New Insights into Synergistic Dual Catalysis

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

Deadline for manuscript submissions: 30 May 2025 | Viewed by 1950

Special Issue Editors

Prof. Dr. Huimin Liu

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Guest Editor
School of Chemical and Environmental Engineering, Liaoning University of Technology, Jinzhou 121001, China
Interests: photocatalysis; CO2 conversion; energy transformation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Dehua He

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Guest Editor
Innovative Catalysis Program, Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, China
Interests: catalysis; heterogeneous catalysts
Dr. Yuxin Guo

E-Mail Website
Guest Editor
School of Chemical and Environmental Engineering, Liaoning University of Technology, Jinzhou 121001, China
Interests: solar light utilization; CO2 conversion; catalyst design

Special Issue Information

Dear Colleagues,

Currently, an important issue in catalysis area is the development of catalysts with dual active sites, which work synergistically for performance enhancement. The syngersitic dual catalysis is a situation in which, when two catalytic active sites are combined in a catalyst, their catalytic performance exceeds that of a single active site counterpart. This synergistic effect can significantly improve the efficiency and selectivity of the catalyst, promoting the progress of chemical reactions. Catalysts with dual active sites can catalyze various chemical processes, such as photocatalytic reactions, electrical reactions as well as the traditional thermal-driven catalytic reactions.  Desing of efficient catalysts with dual acitive sites is the key study. Unraveling the underlying mechanism of the dual catalysts in a specific reaction is of great significance for the rational design of better catalysts.

This Special Issue will present the most recent and significant developments in synergistic dual catalysis. Original papers on the above topics and short reviews are welcome for submission.

Prof. Dr. Huimin Liu
Prof. Dr. Dehua He
Dr. Yuxin Guo
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. 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

  • catalyst design
  • energy transformation reactions
  • synergistic effect
  • dual catalysis
  • mechanism study

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Published Papers (3 papers)

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Research

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14 pages, 2084 KiB  
Article
The Property–Efficiency Relationship over Rh/GaxNby Catalysts in Photothermal Dry Reforming of CH4
by Yuqiao Li, Shaoyuan Sun, Dezheng Li, Huimin Liu and Yiming Lei
Catalysts 2025, 15(4), 312; https://doi.org/10.3390/catal15040312 - 25 Mar 2025
Viewed by 252
Abstract
Photothermal catalytic dry reforming of methane (DRM) technology not only achieves artificial photosynthesis of fuels but also decreases greenhouse effects. The highly efficient photothermal DRM reaction depends on elaborate catalysts. Therefore, unraveling the relationship between property and catalytic efficiency of catalysts is crucial. [...] Read more.
Photothermal catalytic dry reforming of methane (DRM) technology not only achieves artificial photosynthesis of fuels but also decreases greenhouse effects. The highly efficient photothermal DRM reaction depends on elaborate catalysts. Therefore, unraveling the relationship between property and catalytic efficiency of catalysts is crucial. In this study, a series of Rh-loaded Ga2O3-Nb2O5 (Rh/GaxNby) were designed via a simple in situ reduction strategy using Rh2O3/Ga2O3-Nb2O5 as a precursor. After an accurate material characterization, as a proof-of-principle, the photothermal efficiency could be attributed to (i) the amount of medium and strong basic sites on the catalyst surface; (ii) the number of electron–hole pairs upon visible light irradiation. Accordingly, this study used Rh/GaxNby as a model hybrid catalyst to clarify the relationship between the fundamental properties and photothermal catalytic DRM activities, thus providing guidance for the rational design and fabrication of efficient metal/semiconductor composite catalysts for DRM implementation. Full article
(This article belongs to the Special Issue New Insights into Synergistic Dual Catalysis)
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14 pages, 10847 KiB  
Article
Promoting Effect of Copper Doping on LaMO3 (M = Mn, Fe, Co, Ni) Perovskite-Supported Gold Catalysts for Selective Gas-Phase Ethanol Oxidation
by Lijun Yue, Jie Wang and Peng Liu
Catalysts 2025, 15(2), 176; https://doi.org/10.3390/catal15020176 - 13 Feb 2025
Viewed by 682
Abstract
Developing more effective gold–support synergy is essential for enhancing the catalytic performance of supported gold nanoparticles (AuNPs) in the gas-phase oxidation of ethanol to acetaldehyde (AC) at lower temperatures. This study demonstrates a significantly improved Au–support synergy achieved by copper doping in LaMO [...] Read more.
Developing more effective gold–support synergy is essential for enhancing the catalytic performance of supported gold nanoparticles (AuNPs) in the gas-phase oxidation of ethanol to acetaldehyde (AC) at lower temperatures. This study demonstrates a significantly improved Au–support synergy achieved by copper doping in LaMO3 (M = Mn, Fe, Co, Ni) perovskites. Among the various Au/LaMCuO3 catalysts, Au/LaMnCuO3 exhibited exceptional catalytic activity, achieving an AC yield of up to 91% and the highest space-time yield of 764 gAC gAu−1 h−1 at 225 °C. Notably, this catalyst showed excellent hydrothermal stability, maintaining performance for at least 100 h without significant deactivation when fed with 50% aqueous ethanol. Comprehensive characterization reveals that Cu doping facilitates the formation of surface oxygen vacancies on the Au/LaMCuO3 catalysts and enhances Au–support interactions. The LaMnCuO3 perovskite stabilizes the crucial Cu+ species, resulting in a stable Au-Mn-Cu synergy within the Au/LaMnCuO3 catalyst, which facilitates the activation of O2 and ethanol at lower temperatures. The optimization of the reaction conditions further improves AC productivity. Kinetic studies indicate that the cleavages of both the O-H bond and the α-C-H bond of ethanol are the rate-controlling steps. Full article
(This article belongs to the Special Issue New Insights into Synergistic Dual Catalysis)
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Review

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21 pages, 3295 KiB  
Review
Design of Multicatalytic Systems Through Self-Assembly
by Antony E. Fernandes and Alain M. Jonas
Catalysts 2025, 15(3), 265; https://doi.org/10.3390/catal15030265 - 11 Mar 2025
Viewed by 502
Abstract
The development of self-assembled multicatalytic systems has emerged as a promising strategy for mimicking enzymatic catalysis in synthetic systems. This approach leverages the use of non-covalent interactions, such as hydrophobic interactions, hydrogen bonding, metal–ligand coordination, and aromatic stacking, to organize multiple catalytic centers [...] Read more.
The development of self-assembled multicatalytic systems has emerged as a promising strategy for mimicking enzymatic catalysis in synthetic systems. This approach leverages the use of non-covalent interactions, such as hydrophobic interactions, hydrogen bonding, metal–ligand coordination, and aromatic stacking, to organize multiple catalytic centers within a defined, cooperative framework, allowing for enhanced reactivity, selectivity and efficiency, akin to the behavior of natural enzymes. The versatility of this approach enables the modular design, preparation, screening and optimization of systems capable of concerted catalysis and dynamic adaptation, making them suitable for a wide range of reactions, including asymmetric synthesis. The potential of these systems to emulate the precision and functionality of natural enzymes opens new avenues for the development of artificial multicatalytic systems with tailored and adaptable functions. Full article
(This article belongs to the Special Issue New Insights into Synergistic Dual Catalysis)
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