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Advanced Heterogeneous Catalysis
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Advanced Heterogeneous Catalysis

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

Deadline for manuscript submissions: closed (30 April 2025) | Viewed by 2847

Special Issue Editor

Dr. Chen Li

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Wuhan Textile University, Wuhan, China
Interests: thermal catalysis; electrocatalysis; surface reaction process
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In modern industry, heterocatalysis is a crucial chemical process, so it is also a research focus. Heterogeneous catalysis involves catalytic reactions at the interface between two different phases, of which the most common is at the solid-fluid interface. For example, the production of ammonia by the Haber–Bosch process, nitric acid by the Ostwald process, and ethylene oxide by the Wacker process all involve heterogeneous catalysis.

In this Special Issue, we will report on and discuss current research on the role and use of catalysis in chemical processes, as well as new/functional materials and nanotechnology in catalysis. Also, the various techniques and characterization methods will be discussed.

Dr. Chen Li
Guest Editor

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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

  • thermal catalysis
  • electrochemistry
  • photocatalysis
  • energy catalysis
  • environmental catalysis

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Published Papers (3 papers)

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Research

22 pages, 9184 KiB  
Article
Ceria–Zirconia-Supported Pt as an Efficient Catalyst for the Sustainable Synthesis of Hydroxylamines and Primary Amines via the Hydrogenation of Oximes Under Ambient Conditions
by Elena Redina, Inna Ivanova, Olga Tkachenko, Gennady Kapustin, Igor Mishin and Leonid Kustov
Molecules 2025, 30(9), 1926; https://doi.org/10.3390/molecules30091926 - 26 Apr 2025
Viewed by 302
Abstract
Amines and hydroxylamines are essential compounds in the synthesis of pharmaceuticals and other functionalized molecules. However, the synthesis of primary amines and particularly hydroxylamines remains a challenging task. The most common way to obtain amines and hydroxylamines involves the reduction of substances containing [...] Read more.
Amines and hydroxylamines are essential compounds in the synthesis of pharmaceuticals and other functionalized molecules. However, the synthesis of primary amines and particularly hydroxylamines remains a challenging task. The most common way to obtain amines and hydroxylamines involves the reduction of substances containing C-N bonds, such as nitro compounds, nitriles, and oximes. Among these, oximes are the most readily accessible substrates easily derived from ketones and aldehydes. However, oximes are much harder to reduce compared to nitro compounds and nitriles. The catalytic heterogeneous hydrogenation of oximes often requires harsh conditions and catalysts with high precious metal loadings, while hydroxylamines are hard to be obtained by this method. In this work, we showed that Pt supported on a porous ceria–zirconia solid solution enables the selective and atom-efficient synthesis of both hydroxylamines and amines through the hydrogenation of oximes, achieving yields of up to 99% under ambient reaction conditions in a “green” THF:H2O solvent system. The high activity of the 1% Pt/CeO2-ZrO2 catalyst (TOF > 500 h−1) is due to low-temperature hydrogen activation on Pt nanoparticles with the formation of a hydride, Pt-H. The strong influence of electron-donating and electron-withdrawing groups on the hydrogenation of aromatic oximes implies the nucleophilic attack of hydridic hydrogen from Pt to the electrophilic carbon of protonated oximes. Full article
(This article belongs to the Special Issue Advanced Heterogeneous Catalysis)
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15 pages, 8642 KiB  
Article
Effectively Enhanced Photocatalytic Performance of BP/BiOBr 2D/2D Z-Scheme Heterojunction
by Jian Feng, Xia Ran, Li Wang, Bo Xiao, Jinming Zhu, Zuoji Liu, Chaozhong Li, Rong Li, Guangwei Feng and Ke Xu
Molecules 2025, 30(3), 538; https://doi.org/10.3390/molecules30030538 - 24 Jan 2025
Viewed by 712
Abstract
Black phosphorus (BP) is a novel two-dimensional (2D) material with remarkable potential for use in environmental remediation and energy conversion. However, the practical application of BP is significantly limited by its low catalytic efficiency and poor structural stability. In this study, a Z-scheme [...] Read more.
Black phosphorus (BP) is a novel two-dimensional (2D) material with remarkable potential for use in environmental remediation and energy conversion. However, the practical application of BP is significantly limited by its low catalytic efficiency and poor structural stability. In this study, a Z-scheme BP/BiOBr 2D/2D heterojunction was fabricated using a simple solution reaction method at room temperature. The BP/BiOBr heterojunction exhibited significantly enhanced photocatalytic performance in the degradation of various organic pollutants and the production of hydrogen under visible light irradiation. This improved activity can be attributed to the efficient separation of photogenerated charges and the extended lifetime of charge carriers within the heterojunction. The durability and structural stability of the BiP-10 heterojunction were demonstrated through cycling tests, which maintained high photocatalytic efficiency over multiple uses. This study presents a promising approach to the development of BP-based photocatalytic materials for sustainable environmental and energy applications. Full article
(This article belongs to the Special Issue Advanced Heterogeneous Catalysis)
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21 pages, 4530 KiB  
Article
Synthesis of Solketal Catalyzed by Acid-Modified Pyrolytic Carbon Black from Waste Tires
by Jolanta Kowalska-Kuś, Anna Malaika, Agnieszka Held, Aldona Jankowska, Ewa Janiszewska, Michał Zieliński, Krystyna Nowińska, Stanisław Kowalak, Klaudia Końska and Krzysztof Wróblewski
Molecules 2024, 29(17), 4102; https://doi.org/10.3390/molecules29174102 - 29 Aug 2024
Cited by 5 | Viewed by 1309
Abstract
Solketal, a widely used glycerol-derived solvent, can be efficiently synthesized through heterogeneous catalysis, thus avoiding the significant product losses typically encountered with aqueous work-up in homogeneous catalysis. This study explores the catalytic synthesis of solketal using solid acid catalysts derived from recovered carbon [...] Read more.
Solketal, a widely used glycerol-derived solvent, can be efficiently synthesized through heterogeneous catalysis, thus avoiding the significant product losses typically encountered with aqueous work-up in homogeneous catalysis. This study explores the catalytic synthesis of solketal using solid acid catalysts derived from recovered carbon blacks (rCBs), which are obtained through the pyrolysis of end-of-life tires. This was further converted into solid acid catalysts through the introduction of acidic functional groups using concentrated H2SO4 or 4-benzenediazonium sulfonate (BDS) as sulfonating agents. Additionally, post-pyrolytic rCB treated with glucose and subsequently sulfonated with sulfuric acid was also prepared. Comprehensive characterization of the initial and modified rCBs was performed using techniques such as elemental analysis, powder X-ray diffraction, thermogravimetric analysis, a back titration method, and both scanning and transmission electron microscopy, along with X-ray photoelectron spectroscopy. The catalytic performance of these samples was evaluated through the batch mode glycerol acetalization to produce solketal. The modified rCBs exhibited substantial catalytic activity, achieving high glycerol conversions (approximately 90%) and high solketal selectivity (around 95%) within 30 min at 40 °C. This notable activity was attributed to the presence of -SO3H groups on the surface of the functionalized rCBs. Reusability tests indicated that only rCBs modified with glucose demonstrated acceptable catalytic stability in subsequent acetalization cycles. The findings underscore the potential of utilizing end-of-life tires to produce effective acid catalysts for glycerol valorization processes. Full article
(This article belongs to the Special Issue Advanced Heterogeneous Catalysis)
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