Off Detailed Balance: Non-Equilibrium Steady States in Catalysis, Molecular Motors and Supramolecular Materials

All chemists are familiar with the idea that, at equilibrium steady state, the relative concentrations of species present in a system are predicted by the corresponding equilibrium constants, which are in turn related to the relative free energy difference of the system components. There is also no...

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Bibliographic Details
Published inChemRxiv
Main Authors Goldup, Stephen, Aprahamian, Ivan
Format Paper
LanguageEnglish
Edition2
Subjects
Catalysis
Chemistry
Heterogeneous Catalysis
Materials Chemistry
Organic Chemistry
Organic Synthesis and Reactions
Supramolecular Chemistry (Org.)
Molecular machines
Catalysis
Supramolecular polymers
Non-equilibrium steady states
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Summary:All chemists are familiar with the idea that, at equilibrium steady state, the relative concentrations of species present in a system are predicted by the corresponding equilibrium constants, which are in turn related to the relative free energy difference of the system components. There is also no net flux between species, no matter how complicated the reaction network. Achieving and harnessing non-equilibrium steady states, by coupling a reaction network to a second spontaneous chemical process, has been the subject of work in a number of disciplines including the autonomous operation of molecular motors, the assembly of supramolecular materials, and strategies in enantioselective catalysis. Here we juxtapose these linked fields to highlight their common features, the similar issues that must be overcome, and some common misconceptions that may be serving to stymie progress.
ISSN:2573-2293
DOI:10.26434/chemrxiv-2022-49s4d-v2