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Quantum Mechanical Assessment of Optimal Photovoltaic Conditions in Organic Solar Cells
Artur M. Andermann, Luis G. C. Rego
Recombination losses contribute to reduce , and the fill factor of organic solar cells. Recent advances in non-fullerene organic photovoltaics have shown, nonethel…
Chirality Induced Propagation Velocity Asymmetry
Diego A. Hoff, Luis G. C. Rego
The spin-dependent propagation of electrons in helical nanowires is investigated. We show that the interplay of spin angular momentum and nanowire chirality, under spin-orbit inter…
Energetics of the Charge Generation in Organic Donor-Acceptor Interfaces
Artur M. Andermann, Luis G. C. Rego
Non-fullerene acceptor (NFA) materials have posed new paradigms for the design of organic solar cells (OSC), whereby efficient carrier generation is obtained with small driving for…
The role of structural evolution on the quantum conductance behavior of gold nanowires during stretching
L. G. C. Rego, A. R. Rocha, V. Rodrigues +1
Gold nanowires generated by mechanical stretching have been shown to adopt only three kinds of configurations where their atomic arrangements adjust such that either the [100], [11…
Quantum Conductance in Silver Nanowires: correlation between atomic structure and transport properties
V. Rodrigues, J. Bettini, A. R. Rocha +2
We have analyzed the atomic arrangements and quantum conductance of silver nanowires generated by mechanical elongation. The surface properties of Ag induce unexpected structural p…