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Catalysts
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Nanocatalysis for Green Chemicals Synthesis
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Nanocatalysis for Green Chemicals Synthesis

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

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 7025

Special Issue Editors

Prof. Dr. Peter Ramashadi Makgwane

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Guest Editor
Centre for Nanostructures and Advanced Materials (CeNAM), Council for Scientific and Industrial Research (CSIR), Pretoria 0001, South Africa
Interests: heterogeneous catalysis; photocatalysis; nanocatalysis; nanostructured catalysts; surface science; biomass chemicals; green chemistry; environmental remediation
Dr. Naveen Kumar

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Guest Editor
Department of Chemistry, Maharshi Dayanand University, Rohtak, India
Interests: photocatalysis; environmental remediation; nanocomposites; green chemistry
Prof. Dr. David E. Motaung

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Guest Editor
Department of Physics, University of Limpopo, Private Bag X1106, Sovenga 0727, South Africa
Interests: photocatalysis; surface science; nanostructured materials; gas chemical sensing; organic photovoltaic solar cells

Special Issue Information

Dear Colleagues,

Nano-scale designed catalysts have been demonstrated to be effective in improving many catalytic reaction processes to meet the protocols of green chemistry in the chemicals conversion. The design of nanocatalysts systems based on the concept of nanoscience has recently become an area of great interest in catalysis science. More efforts have been devoted to developing suitable preparation methods that yield catalysts with desired active sites structures at nano-scale with improved catalytic properties when compared to their bulk form. The understanding of the structural evolution during preparation, activation, under reaction conditions and after use in organic chemicals synthesis is of prime importance for further improvement in nanocatalyst material development. The challenge in this regard is to develop preparation methods that will enable control of the growth of active metal catalyst nanostructure shapes, sizes and morphologies with the desired exposed catalytic sites, and to comprehend how these new structural features relate to their catalytic performance. Consequently, more investigations are required from the viewpoint of successful and practical use of the new nanocatalyst materials for an industrial purpose. To achieve this, we cordially invite researchers to contribute their ongoing original research findings that stimulate continuing efforts to understand the surface structure catalysis practiced by the concept of nanocatalysts. This Special Issue mainly covers heterogeneously catalyzed reactions but will also include related processes based on single-atom-catalysis and photocatalysis for chemicals synthesis.

Prof. Dr. Peter Ramashadi Makgwane
Dr. Naveen Kumar
Prof. Dr. David E. Motaung
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

  • nanocatalysis
  • single atom catalysis
  • oxidations
  • hydrogenation
  • cross coupling
  • biobased chemicals

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Published Papers (2 papers)

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Research

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10 pages, 3208 KiB  
Article
BaF(p-BDC)0.5 as the Catalyst Precursor for the Catalytic Dehydrochlorination of 1-Chloro-1,1-Difluoroethane to Vinylidene Fluoride
by Shucheng Wang, Chuanzhao Wang, Houlin Yu, Wei Yu, Yongnan Liu, Wucan Liu, Feixiang Zhou, Wanjin Yu, Jiuju Wang, Jianjun Zhang and Wenfeng Han
Catalysts 2021, 11(11), 1268; https://doi.org/10.3390/catal11111268 - 21 Oct 2021
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Abstract
A BaF(p-BDC)0.5 catalyst was prepared by solid state reaction at room temperature with Ba(OH)2 as precursor, NH4F as F source, and H2(p-BDC) as organic ligand. The calcined samples were used as catalysts for [...] Read more.
A BaF(p-BDC)0.5 catalyst was prepared by solid state reaction at room temperature with Ba(OH)2 as precursor, NH4F as F source, and H2(p-BDC) as organic ligand. The calcined samples were used as catalysts for dehydrochlorination of 1-chloro-1,1-difluoroethane to generate vinylidene fluoride (VDF) at 350 °C. Commercial production of VDF is carried out at 600–700 °C. Clearly, pyrolysis of the BaF(p-BDC)0.5 catalyst provided a promising way to prepare VDF at low temperatures. Prior to calcination, the activity of the BaF(p-BDC)0.5 catalyst was low. Following calcination at high temperatures, BaF(p-BDC)0.5 decomposed to BaF2 and BaCO3, and then the catalyst was chlorinated and fluorinated to BaClF, which showed high activity and stable VDF selectivity for dehydrochlorination of 1-Chloro-1,1-Difluoroethane to VDF. Full article
(This article belongs to the Special Issue Nanocatalysis for Green Chemicals Synthesis)
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Review

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44 pages, 30721 KiB  
Review
Recent Developments in Nanocatalyzed Green Synthetic Protocols of Biologically Potent Diverse O-Heterocycles—A Review
by Suresh Kumar, Bhavna Saroha, Gourav Kumar, Ekta Lathwal, Sanjeev Kumar, Badri Parshad, Meena Kumari, Naveen Kumar, Mabel M. Mphahlele-Makgwane and Peter R. Makgwane
Catalysts 2022, 12(6), 657; https://doi.org/10.3390/catal12060657 - 15 Jun 2022
Cited by 7 | Viewed by 4003
Abstract
The dynamic growth in green organic synthetic methodologies for diverse heterocyclic scaffolds has substantially contributed to the field of medicinal chemistry over the last few decades. The use of hybrid metal nanocatalysts (NCs) is one such benign strategy for ensuring the advancement of [...] Read more.
The dynamic growth in green organic synthetic methodologies for diverse heterocyclic scaffolds has substantially contributed to the field of medicinal chemistry over the last few decades. The use of hybrid metal nanocatalysts (NCs) is one such benign strategy for ensuring the advancement of modern synthetic chemistry by adhering to the principles of green chemistry, which call for a sustainable catalytic system that converts reacting species into profitable chemicals at a faster rate and tends to reduce waste generation. The metal nanoparticles (NPs) enhance the exposed surface area of the catalytic active sites, thereby making it easier for reactants and metal NCs to have an effective interaction. Several review articles have been published on the preparation of metal NCs and their uses for various catalytic heterocyclic transformations. This review will summarize different metal NCs for the efficient green synthesis of various O-heterocycles. Furthermore, the review will provide a concise overview of the role of metal NCs in the synthesis of O-heterocycles and will be extremely useful to researchers working on developing novel green and simple synthetic pathways to various O-heterocyclic-derived molecules. Full article
(This article belongs to the Special Issue Nanocatalysis for Green Chemicals Synthesis)
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