Thermodynamics and statistical mechanics of chemically-powered synthetic nanomotors

Abstract

Colloidal motors without moving parts can be propelled by self-diffusiophoresis, coupling molecular concentration gradients generated by surface chemical reactions to the velocity slip between solid Janus particles and the surrounding fluid solution. The interfacial properties involved in this propulsion mechanism can be described by nonequilibrium thermodynamics and statistical mechanics, disclosing the fundamental role of microreversibility in the coupling between motion and reaction. Among other phenomena, the approach predicts that propulsion by fuel consumption has the reciprocal effect of fuel synthesis by mechanical action.

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• Nonequilibrium Thermodynamics of Non-Ideal Reaction-Diffusion Systems: Implications for Active Self-Organization
• Inertial effects on rectification and diffusion of active Brownian particles in an asymmetric channel
• Efficiency of isothermal active matter engines: Strong driving beats weak driving
• Molecular theory of Langevin dynamics for active self-diffusiophoretic colloids
• Quantifying dissipation in flocking dynamics: When tracking internal states matters
• Clustering of chemically propelled nanomotors in chemically active environments
• Control of active polymeric filaments by chemically-powered nanomotors
• Entropy production rate in thermodynamically consistent flocks
• Microscopic theory of a Janus motor in a non-equilibrium fluid: Surface hydrodynamics and boundary conditions
• Diffusion coefficient and power spectrum of active particles with a microscopically reversible mechanism of self-propelling
• Reaction-induced molecular dancing and boosted diffusion of enzymes
• Irreversibility in scalar active turbulence: The role of topological defects
• Mass-based separation of active Brownian particles in an asymmetric channel
• From Attraction to Repulsion: Emergent Interactions in Harmonically Coupled Active Binary System
• The non-equilibrium thermodynamics of active suspensions