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Diffusion-Controlled Reactions: An Overview
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DOI：10.3390/molecules28227570.png)
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Abstract
En 中文
We review the milestones in the century-long development of the theory of diffusion-controlled reactions. Starting from the seminal work by von Smoluchowski, who recognized the importance of diffusion in chemical reactions, we discuss perfect and imperfect surface reactions, their microscopic origins, and the underlying mathematical framework. Single-molecule reaction schemes, anomalous bulk diffusions, reversible binding/unbinding kinetics, and many other extensions are presented. An alternative encounter-based approach to diffusion-controlled reactions is introduced, with emphasis on its advantages and potential applications. Some open problems and future perspectives are outlined.
Keywords:
diffusion
surface reaction
heterogeneous catalysis
confinement
geometric complexity
biochemistry
reversible reactions
encounter-based approach
Brownian motion
encounter-dependent reactivity
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