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The 2D lattice gas model with competing short and long range interactions isappliedused for calculation of the incoherent charge transport in the classicalstrongly-correlated charge segregated polaronic state. We show, by means ofMonte-Carlo simulations, that at high temperature the transport is dominated byhopping of the dissociated correlated polarons, where with thetheir mobility isinversely proportional to the temperature. At the temperatures below theclustering transition temperature the bipolaron transport becomes dominant. Theenergy barrier for the bipolaron hopping is determined by the Coulomb effectsand is found to be lower than the barrier for the single-polaron hopping. Thisleads to drastically different temperature dependencies of mobilities forpolarons and bipolarons at low temperatures.

Polaron and bipolaron transport in a charge segregated state of doped strongly correlated 2D semiconductor