Long-Range Charge Transport in Homogeneous and Alternating-Rigidity Chains
Francisco Lai Liang,
Dvira Segal
Abstract:We study the interplay of intrinsic-electronic and environmental factors on long-range charge transport across molecular chains with up to N ∼ 80 monomers. We describe the molecular electronic structure of the chain with a tight-binding Hamiltonian. Thermal effects in the form of electron decoherence and inelastic scatterings are incorporated with the Landauer-Büttiker probe method. In short chains of up to 10 units we observe the crossover between coherent (tunneling, ballistic) motion and thermally-assisted … Show more
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