Atom Transfer Radical Polymerization: A Mechanistic Perspective

Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(34), P. 15413 - 15430

Published: July 26, 2022

Since its inception, atom transfer radical polymerization (ATRP) has seen continuous evolution in terms of the design catalyst and reaction conditions; today, it is one most useful techniques to prepare well-defined polymers as well notable examples catalysis polymer chemistry. This Perspective highlights fundamental advances ATRP reactions catalysts, focusing on crucial role that mechanistic studies play understanding, rationalizing, predicting outcomes. A critical summary traditional systems provided first; we then focus recent developments improve selectivity, control polymerizations via external stimuli, employ new photochemical or dual catalytic with an outlook future research directions open challenges.

Language: Английский

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Advances and Applications of Metal‐Organic Frameworks (MOFs) in Emerging Technologies: A Comprehensive Review

Global Challenges, Journal Year: 2023, Volume and Issue: 8(2)

Published: Dec. 30, 2023

Abstract Metal‐organic frameworks (MOFs) that are the wonder material of 21st century consist metal ions/clusters coordinated to organic ligands form one‐ or more‐dimensional porous structures with unprecedented chemical and structural tunability, exceptional thermal stability, ultrahigh porosity, a large surface area, making them an ideal candidate for numerous potential applications. In this work, recent progress in design synthetic approaches MOFs explore their applications fields gas storage separation, catalysis, magnetism, drug delivery, chemical/biosensing, supercapacitors, rechargeable batteries self‐powered wearable sensors based on piezoelectric triboelectric nanogenerators summarized. Lastly, work identifies present challenges outlines future opportunities field, which can provide valuable references.

Language: Английский

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Sustainable polyurethanes: toward new cutting-edge opportunities

Progress in Polymer Science, Journal Year: 2024, Volume and Issue: 151, P. 101805 - 101805

Published: Feb. 22, 2024

Polyurethanes (PU) are ranked amongst the 6th most manufactured worldwide polymers and widely used in a variety of applications due to diversity properties they offer. Nevertheless, PUs raising questions around environmental, legislative, health, recycling concerns. In this context, high isocyanate toxicity, blocked isocyanates, waterborne PU systems, non-isocyanate polyurethane (NIPU) were introduced prevent handling risks. Moreover, sustainable feedstocks stood out synthetize greener PU. particular, bio-based polyfunctional short alcohol compounds have emerged design fully materials with targeted chemical mechanical properties. Finally, large amounts that been placed on market now leading environmental issues regarding its accumulation environment. Several methods thus recently developed facilitate their end-of-life management recyclability. This review provides complete overview recent advances synthesis focus replacement toxic isocyanates petroleum-based resources, use processes, methods. After quick summary history situation, different alcohols academic industrial sides, corresponding outlined. Furthermore, pathways produce NIPUs discussed. enzymatic

Language: Английский

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Synthesis, photocatalytic degradation and antibacterial properties of selenium or silver doped zinc oxide nanoparticles: A detailed review

OpenNano, Journal Year: 2022, Volume and Issue: 8, P. 100082 - 100082

Published: Sept. 10, 2022

Zinc oxide nanoparticles (ZnO NPs) have been the subject of extensive research due to their peculiar physical and chemical properties. Numerous studies used NPs as photocatalytic antibacterial agents because high surface-to-volume ratio, miniature size, antimicrobial activity, semiconducting However, some aforementioned features also exhibit limitations in ZnO NPs. It seems possible circumvent these increase utilization by doping them with silver selenium elements. Therefore, a thorough review use or doped for objectives was conducted this study. Additionally, emphasis placed on synthesis using principally sol-gel, mechanochemical, green techniques. The results showed that considerably improved intrinsic qualities ROS production capability, bandgap, stability, etc., which consequently features. As result, they excelled at photo-catalytic breakdown organic pollutants treatment bacterial illnesses.

Language: Английский

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Tinkering with Mechanochemical Tools for Scale Up

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(44)

Published: April 28, 2023

Mechanochemistry provides an environmentally benign platform to develop more sustainable chemical processes by limiting raw materials, energy use, and waste generation while using physically smaller equipment. A continuously growing research community has steadily showcased examples of beneficial mechanochemistry applications at both the laboratory preparative scale. In contrast solution-based chemistry, mechanochemical have not yet been standardized, thus scaling up is still a nascent discipline. The purpose this Minireview highlight similarities, differences challenges various approaches that successfully applied for range scales. We hope provide discussion starting point those interested in further developing commercial use and/or industrialisation.

Language: Английский

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Contemporary Approaches for Amide Bond Formation

Advanced Synthesis & Catalysis, Journal Year: 2023, Volume and Issue: 365(24), P. 4359 - 4391

Published: Nov. 7, 2023

Abstract Amide bond construction has garnered significant interest in recent decades due to amides being one of the most prevalent functional groups among bioactive molecules. Out thirty‐seven new drugs approved by FDA 2022, eleven are small molecules containing at least amide bond. Additionally, there nineteen large as drugs, some which have peptide structures, and therefore, also bear bonds. In years, multiple teams embraced challenge developing more efficient methods for formation. This dedication led numerous publications appearing monthly prestigious journals, showcasing advancements this field. The primary goal review is present viable strategies constructing It crucial differentiate between formation synthesis; hence, focus on describing specific forming C(O)−N particular, concentrates developed within last six years. There a particular emphasis approaches that consider thought process when selecting starting materials groups. approach ensures coverage all common chemical transformations yield

Language: Английский

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Accelerated carbonation of ball-milling modified MSWI fly ash: Migration and stabilization of heavy metals

Journal of environmental chemical engineering, Journal Year: 2023, Volume and Issue: 11(2), P. 109396 - 109396

Published: Jan. 28, 2023

Language: Английский

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Green synthesis of hypercrosslinked polymers for CO₂ capture and conversion: recent advances, opportunities, and challenges

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(5), P. 2476 - 2504

Published: Jan. 1, 2024

Hypercrosslinked polymers and the resultant carbon materials are promising platforms for CO 2 capture conversion, because of their high specific surface areas, modifiable accessible functionalities.

Language: Английский

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Mechanosynthesized electroactive materials for sustainable energy and environmental applications: A critical review

Progress in Materials Science, Journal Year: 2024, Volume and Issue: 145, P. 101299 - 101299

Published: April 16, 2024

Electrochemistry-driven techniques for advanced energy storage/conversion and environmental protection play a crucial role in achieving sustainable development goals. As an indispensable component diverse electrochemical systems, electroactive materials gain soaring interest terms of rational design synthesis. Notably, mechanochemistry-based green powerful synthesis has been widely employed to fabricate materials, given their scalability tunability. Recently, mechanochemically synthesized have applied various fields, leading significant progress. However, systematic analysis these advancements is still missing. Herein, we comprehensively discuss recent achievements mechanosynthesized applications. The mechanochemical introduced, along with different types materials. Subsequently, the review delves into applications conversion/storage systems remediation. structure-performance correlation are illustrated by discussing effects process on internal external properties performance. Lastly, key perspectives this field discussed, including monitoring, field-assisted synthesis, material performance optimization, practical applications, mechanochemistry-driven fuels/chemicals By illustrating current advances related aims shed some light upcoming research synthesis-driven sustainability.

Language: Английский

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Intermediates in Mechanochemical Reactions

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(14)

Published: Jan. 5, 2024

Abstract Mechanochemical reactions offer methodological and environmental advantages for chemical synthesis, constantly attracting attention within the scientific community. Besides unmistakable sustainability advantages, conditions under which mechanochemical occur, namely solventless conditions, sometimes facilitate isolation of otherwise labile or inaccessible products. Despite these limited knowledge exists regarding mechanisms types intermediates involved. Nevertheless, in an expanding number cases, ex situ monitoring techniques have allowed observation, characterization, reaction transformations. In this Minireview, we present a series examples reactive been detected spanning organic, organometallic, inorganic, materials chemistry. Many were stabilized by non‐covalent interactions, played pivotal role guiding We believe that uncovering understanding such instances, growing mechanochemistry community could find novel opportunities catalysis discover new while achieving simplification design.

Language: Английский

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