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Organic semiconductors.

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In the field of organic semiconductors researchers and manufacturers are faced with a wide range of potential molecules. This work presents concepts for simulation-based predictions of material characteristics starting from chemical stuctures. The focus lies on charge transport - be it in microscopic models of amorphous morphologies, lattice models or large-scale device models.An extensive introductory review, which also includes experimental techniques, makes this work interesting for a broad readership. Contents: Organic Semiconductor DevicesExperimental TechniquesCharge Dynamics at Dierent ScalesComputational MethodsEnergetics and Dispersive TransportCorrelated Energetic LandscapesMicroscopic, Stochastic and Device SimulationsParametrization of Lattice ModelsDrift-Diusion with Microscopic Link

Organic semiconductors. --- Semiconductors

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Detectors. --- Organic semiconductors.

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This dissertation by Xian’e Li focuses on the study of interfaces in organic solar cells (OSCs), highlighting their significance in electronic devices. Organic semiconductors, known for their lightweight, flexible, and tunable properties, have been critical in advancing OSCs, which now achieve efficiencies close to 20%. The research investigates energy level alignment (ELA) at various interfaces within OSCs, examining how these energetics influence device performance. The work identifies the pinning energies of newly developed donor and non-fullerene acceptor systems, exploring their impact on interface vacuum level shifts. Additionally, the thesis addresses the effects of environmental factors like water and oxygen on the work functions of organic films. The study concludes with recommendations for efficient charge-transport-layer-free OSCs, emphasizing simplified device structures for enhanced performance. The intended audience includes researchers and professionals in the field of organic electronics and materials science.

Organic semiconductors --- Solar cells

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Organic semiconductors --- Polymers