Maciá Barber, Enrique Alfonso2023-06-202023-06-202007-011098-012110.1103/PhysRevB.75.035130https://hdl.handle.net/20.500.14352/52103©2007 The American Physical Society. I warmly thank E. Artacho, G. Cuniberti, R. Di Felice, R. Gutierrez, D. Porath, S. Roche, E. B. Starikov, and M. Zwolak for sharing useful information. I acknowledge M. V. Hernández for a critical reading of the manuscript. This work has been supported by the Universidad Complutense de Madrid through Project No. PR27/05-14014-BSCH.The thermoelectric performance of PolyG-PolyC and PolyA-PolyT double-stranded chains connected between organic contacts at different temperatures is theoretically studied on the basis of an effective model Hamiltonian. The obtained analytical expressions reveal the existence of important resonance effects leading to a significant enhancement of the Seebeck coefficient depending on the Fermi level position. High thermoelectric power factors, up to P=(1.5-3)x10^(-3) W m^(-1) K^(-2), are obtained close to the resonance energy. These values suggest that significantly high values of the thermoelectric figure of merit may be attained for synthetic DNA samples at room temperature. The possibility of combining p-type and n-type synthetic DNA chains in the design of a nanoscale Peltier cell is discussed, taking into account both contact and environmental effects.engjournal articlehttp://dx.doi.org/10.1103/PhysRevB.75.035130https://journals.aps.orgopen access538.9Acoustic-phonon modesElectrical-transportBiomolecular nanowiresDeoxyribonucleic-acidElectronic transportCharge-transportLambda-DNAConductanceMoleculesQuantumFísica de materialesFísica del estado sólido2211 Física del Estado Sólido