Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Molecular Semiconductors"”.
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Fluctuations and exciton dynamics in molecular semiconductors
… fluctuation-dominated electronic structure of molecular semiconductors and of the exciton dynamics in the same materials. The method employed in this thesis is time- and angle-resolved photoemission spectroscopy. In the first part, the electronic structure of molecular semiconductors at …
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Charge transport and spectroscopic analysis of high-mobility molecular semiconductors
Small molecule organic semiconductors have been at the heart of charge transport studies in organic electronic materials over recent decades. Their ordered structures have played a pivotal role in the development of novel theories elucidating the charge transport phenomena and in the advancement of …
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Interplay of Spin and Photophysics in Luminescent Open-Shell Molecular Semiconductors
… organic radicals are an emerging class of molecular semiconductors which exhibit many unique properties attractive for optoelectronic and spintronic devices. In this thesis, we employ optical and spin-based probes to reveal the dynamics of photogenerated excitons in a selection of novel …
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Science and Engineering of Spin Triplet Excitons in Luminescent Molecular Semiconductors
Luminescent molecular semiconductors exhibit many properties that are attractive for optoelectronic devices, such as organic light-emitting diodes (OLEDs). Maximising the luminescence from OLEDs requires careful management of spin-triplet excitons, which are typically non-emissive. For successful …
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Influence of Structural Disorder on Charge Transport and Stability in Organic Field-Effect Transistors with Molecular Semiconductors
Organic semiconductors (OSCs) are distinguished by the soft van der Waals interactions among π-conjugated moieties, garnering substantial interest for potential use in large-area and flexible electronics due to their inherent lightweight, versatile processing capabilities, and compatibility with …
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Self-interaction and charge transfer in organic semiconductors
The fascinating properties of organic molecular semiconductors paved the way for a new class of electronic devices such as organic light-emitting diodes, transistors, or solar cells. Despite an inferior efficiency as compared to commonly used silicon-based technologies, organic semiconductors …
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Spin Dynamics in Organic Semiconductors
Organic semiconductors exhibit exceptionally long spin lifetimes, and recent observations of the inverse spin hall effect as well as micrometer spin diffusion lengths in conjugated polymers have spiked interest in employing such carbon-based materials in spintronics applications. The charge …
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Charge Carrier Dynamics of Lead Halide Perovskites Probed with Ultrafast Spectroscopy
… that of highly-ordered inorganic crystalline semiconductors (exhibiting ballistic charge transport) or disordered molecular semiconductors (exhibiting strong electron-phonon coupling and highly localised excited states) and how we can tune these photophysical properties with inorganic and …