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For many decades, metal catalysts have been considered as highly impactful additives in chemical transformations in the pharmaceutical industry and in academic research. This is due to their effectiveness in offering surrogate reaction pathways with higher rates of reactions and lower activation energy than the non-catalytic variants. The methods associated with metal catalysts are highly selective and generally represent processes with high yields. Recently, considering the associated environmental aspects, the reusability of catalysts has been extensively studied in order to develop efficient chemical transformations that demonstrate the excellency of metal catalytic methods. Nevertheless, in addition to their high cost and toxic nature, the efficiency of specific metal catalysts is found to be low in a variety of chemical transformations. Hence, the screening and selection process of an effective metal catalyst for a particular chemical process remains a challenging task in synthetic chemistry. This Special Issue collection intends to address the related developments in this area.
Dr. Chandi C. Malakar
Dr. Virender Singh
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. Metals is an international peer-reviewed open access monthly journal published by MDPI.
Do you still not know what the difference is between our Metal Molecules and conventional catalysts? Have you not yet discovered all the benefits they bring to industry and sustainability? Did you know that our M-Ms can provide new reaction pathways and mechanisms that overcome the limitations of conventional catalysts.
As you already know, our Metal Molecules are extremely small clusters of metal atoms, smaller than a nanometer in size. This characteristic gives them unique properties that depend almost exclusively on the size and shape of the cluster, creating a kind of &#;third dimension&#; in the periodic table. Unlike conventional catalysts, which generally consist of larger metal nanoparticles with properties determined mainly by the surface to volume ratio, M-Ms are designed to maximize the efficiency and selectivity of chemical reactions.
Metal Molecules bring a host of benefits when used in industrial processes instead of conventional catalysts. Here are some of the most notable advantages:
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Size and Structure: Our Metal Molecules are significantly smaller than conventional nanoparticles. This tiny scale provides a larger specific surface area, facilitating more effective interaction with reactants and promoting much faster and efficient reactions.
Enhanced Efficiency: Thanks to their innovative design, M-Ms catalyze reactions more efficiently. They introduce new reaction pathways with lower activation energies, leading to significant improvements in industrial operation efficiency.
Enhanced Selectivity: M-Ms are unique and controllable active sites at the atomic level leading to enhanced selectivity.
Tunability: Selectivity can be further enhanced and controlled through interactions with different types of supports.
Stability: A major limitation of conventional catalysts is their susceptibility to deactivation due to factors such as poisoning, sintering, and surface contamination. In contrast, M-Ms bonded to specific supports, do not suffer from poisoning and can operate stably even at temperatures up to 900°C, significantly extending their lifespan and reducing the need for frequent maintenance and replacement.
Sustainability: While many traditional catalysts rely on scarce and critical metals, Nanogap&#;s Metal Molecules are made from less scarce and non-critical metals. This approach not only promotes more sustainable industrial practices but also contributes to reducing carbon footprint and other negative environmental impacts. Metal Molecules are also manufactured with simple wet chemical methods, with no exotic equipment or harmful reactants.
In this way, Nanogap&#;s Metal Molecules are poised to improve several key industrial sectors, including CO2 and CH4 valorization, waste-water treatment, and renewable energy and fuels. Their ability to catalyze reactions more efficiently and with less environmental impact makes them ideal candidates for process optimization and technological innovation.
With this cutting-edge technology, at Nanogap, we are deeply committed to continuously seeking innovative and sustainable solutions. Our Metal Molecules represent a significant advancement over traditional catalysis methods, offering powerful tools for scientists, engineers, and entrepreneurs looking to transform the industrial and environmental landscape.
Be part of the solution, be part of Nanogap.