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HL: Fachverband Halbleiterphysik

HL 46: Organic Semiconductors

HL 46.2: Vortrag

Mittwoch, 9. März 2016, 09:45–10:00, H13

Multi-scale modeling of spin transport in organic semiconductors — •Amaury Souza¹, Shayan Hemmatiyan¹, Erik Mcnellis¹, Denis Andrienko², and Jairo Sinova¹ — ¹Johannez Gutenberg Universy - Mainz — ²Max Planck Institute for Polymers - Mainz

In this work, we present our theoretical framework to simulate simultaneously spin and charge transport in amorphous organic semiconductors. By combining several techniques e.g. molecular dynamics, density functional theory and kinetic Monte Carlo, we are be able to study spin transport in the presence of anisotropy, thermal effects, magnetic and electric field effects in a realistic morphologies of amorphous organic systems. We apply our multi-scale approach to investigate the spin transport in amorphous Alq3 (Tris(8-hydroxyquinolinato)aluminum) and address the underlying spin relaxation mechanism in this system as a function of temperature, bias voltage, magnetic field and sample thickness.