Results 11 to 20 of about 3,360 (286)

Mechanochemical Reactions from Individual Impacts to Global Transformation Kinetics [PDF]

open access: yesAngewandte Chemie International Edition, 2023
AbstractTypically induced by the mechanical processing of powders in ball mills, mechanochemical transformations are considered to result from the application of mechanical force to solid reactants. However, the undeniable deep connection between the dynamic compaction of powders during impacts and the overall transformation degree has yet to be ...
Carta, Maria   +6 more
openaire   +4 more sources

Mechanochemical Transformation of CF3 Group: Synthesis of Amides and Schiff Bases [PDF]

open access: yesAdvanced Synthesis & Catalysis, 2021
AbstractWe communicate two mild, solvent‐free mechanochemical coupling transformations of CF3 group with nitro compounds into amides or Schiff bases employing Ytterbia as a catalyst. This process proceeds via C−F bond activation, accompanied with utilisation of Si‐based reductants/oxygen scavengers – reductants of the nitro group.
Satenik Mkrtchyan   +7 more
openaire   +7 more sources

Mechanochemical Induced Structure Transformations in Lithium Titanates: A Detailed PXRD and 6Li MAS NMR Study [PDF]

open access: yesInorganics, 2018
Lithium titanates are used in various applications, such as anode materials for lithium intercalation (Li4Ti5O12) or breeding materials in fusion reactors (Li2TiO3). Here, we report the formation of nano-crystalline lithium titanates by a mechanochemical
Dennis Becker   +2 more
doaj   +2 more sources

Mechanochemical Transformations of Polysaccharides: A Systematic Review

open access: yesInternational Journal of Molecular Sciences, 2022
Taking into consideration the items of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA), this study reviews application of mechanochemical approaches to the modification of polysaccharides. The ability to avoid toxic solvents, initiators, or catalysts during processes is an important characteristic of the considered ...
Tatiana A. Akopova   +2 more
openaire   +2 more sources

Mem3DG: Modeling membrane mechanochemical dynamics in 3D using discrete differential geometry

open access: yesBiophysical Reports, 2022
Biomembranes adopt varying morphologies that are vital to cellular functions. Many studies use computational modeling to understand how various mechanochemical factors contribute to membrane shape transformations.
Cuncheng Zhu   +2 more
doaj   +1 more source

Shaking Things from the Ground-Up: A Systematic Overview of the Mechanochemistry of Hard and High-Melting Inorganic Materials

open access: yesMolecules, 2023
We provide a systematic overview of the mechanochemical reactions of inorganic solids, notably simple binary compounds, such as oxides, nitrides, carbides, sulphides, phosphides, hydrides, borides, borane derivatives, and related systems.
Thomas Auvray, Tomislav Friščić
doaj   +1 more source

Recover lithium and prepare nano-cobalt from spent lithium ion batteries using a one-pot mechanochemical reaction

open access: yesCleaner Engineering and Technology, 2021
Recovery valuable metals such as lithium and cobalt from spent lithium ion batteries presents great economic significance as well as environmental benefits.
Bang Li, Jia Li, Zhenming Xu
doaj   +1 more source

Comment on “Reaction Coordinates and Pathways of Mechanochemical Transformations” [PDF]

open access: yesThe Journal of Physical Chemistry B, 2016
The adiabatic potential energy surface (PES) is a basic concept of many theoretical chemistry models. Over the past several years, the phenomena of the action of a mechanical stress over a molecular system have motivated experimental and theoretical research. In a recent article, Avdoshenko and Makarov1 describe how the concepts of an effective PES and
Quapp, Wolfgang   +1 more
openaire   +3 more sources

Mechanochemical Transformation of Planar Polyarene to Curved Fused-Ring System: Solid-Phase Synthesis of Corannulene

open access: yes, 2021
This work demonstrates that mechanochemical forces can successfully transform a planarpolyarene into a curved geometry by creating new C-C bonds along the rim of the molecular structure.In doing so, mechanochemistry does not require inert conditions or ...
Gabor, Báti   +3 more
core   +1 more source

The origin of delayed polymorphism in molecular crystals under mechanochemical conditions

open access: yes, 2022
Control over ball milling transformations is needed before the transformative potential of mechanochemical processing can be realized. Many parameters are known to affect the outcome of mechanochemical polymorphism, yet the energy of ball milling is ...
Paulina, Szymoniak   +4 more
core   +1 more source

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