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In this paper we consider the long‐time trapping rate, by a deep sink, of an excitation which migrates incoherently in a one‐dimensional molecular crystal. The approaches based on the first passage time version of the continuous time random walk and on the master equation formalism are compared and put in a unified framework. Time domains are predicted for the different behaviors of the trapping rates for both one‐ and two‐dimensional systems.

A comment on the dynamics of excitation trapping in molecular crystals