Index Catalog // ScholarsArchive@OSU

Modeling optical reflection and electric field intensity in organic semiconductor microcavities

Creator:: Munk, Rebecca
Abstract:: Organic semiconductors are a promising alternative to the traditional inorganic semiconductors, such as silicon. Organics are solution-processable, low-cost, sustainable, and have interesting optoelectronic properties. One such property is the formation of exciton-polaritons, quantum quasi-particles formed by an electron-hole pair in the semiconductor and a photon. This process can be induced...
Resource Type:: Undergraduate Thesis

Photostability of organic semiconductors : from bulk to nanoscales

Creator:: Quist, Nicole Arianne
Abstract:: Organic semiconductors have attracted considerable attention due to their applications in low-cost, solution-processable (opto)electronic devices. An important class of high-performance organic semiconductors is pentacene derivatives, which exhibit high charger carrier mobilities in field-effect transistors and ultrafast singlet fission in photovoltaic devices. These derivatives have served as benchmark materials for systematic...
Resource Type:: Dissertation

(Opto)electronic Properties of Xylindein and Organic (Opto)electronic Devices

Creator:: Giesbers, Gregory J.
Abstract:: Organic semiconductors are of interest for (opto)electronic applications due to their low cost, solution processability, and tunable properties. Natural product-derived organic pigments have attracted attention due to their extraordinary environmental stability and unexpectedly good optoelectronic performance, in spite of only partially conjugated molecular structures. Fungi-derived pigments are a naturally sourced,...
Resource Type:: Dissertation

Photodimerization of Organic Semiconductors in the Strong Coupling Regime

Creator:: Puro, Richard
Abstract:: Organic semiconducting materials have emerged in the last few decades as viable alternatives to inorganics in broad applications from field effect transistors to LEDs to solar cells. Organics provide many benefits over inorganics such as flexibility, sustainability, and reduced cost. However, these materials are more susceptible to degradation in the...
Resource Type:: Undergraduate Thesis

Exciton and Polariton Nature in Organic Crystals

Creator:: Van Schenck, Jonathan D. B.
Abstract:: Understanding the impact of inter-molecular orientation on the optical proper-ties of organic semiconductors is important for designing next-generation organic (opto)electronic and photonic devices. However, fundamental aspects of how various features of molecular packing in crystalline systems determine the nature and dynamics of excitons have been a subject of debate. Toward...
Resource Type:: Dissertation

The interaction of bulk heterojunction donor/acceptor blends with polaritonic state creation in organic crystalline films

Creator:: Center, Reid
Abstract:: We explore the interactions between charge transfer exciton states (CTEs) and an optical microcavity by testing the effects that cavity resonance has on the CTEs and if CTEs can be coupled with a photon to create quasiparticles known as polaritons. Exciton polaritonics is becoming a booming area of research mainly...
Resource Type:: Undergraduate Thesis

Fungal Photonics

Creator:: Spafford, Jasper
Abstract:: The spalting fungus Scytalidium cuboideum secretes a red pigment that produces naphthoquinonic crystals that are a photonic material candidate. The molecule can pack together in different configurations resulting in amazingly different optical properties. I developed a procedure (slowly evaporating the solvent) to preferentially grow two of these configurations, which have...
Resource Type:: Undergraduate Thesis

Optoelectronic Properties of a Novel Fungi-derived Pigment

Creator:: Wiesner, Cameron
Abstract:: In industry, there is considerable interest in finding sustainable, renewable materials for use in electronic devices. Pigments derived from spalting fungi are of particular interest due to their longevity in diverse environmental conditions. The focus of my project was to characterizethe properties of a novel, fungi-derived pigment, and to discover...
Resource Type:: Undergraduate Thesis

Detection of exciton polaritons in organic thin film TES-ADT

Creator:: Haas, David P.
Abstract:: Exciton polaritons are quasiparticles composed of a quantum superposition of matter and light states that arises from the coupling of a standing wave photon and an exciton. This research has two primary objectives: to design and fabricate a Fabry-Perot microcavity system in which to produce exciton polaritons; and to show...
Resource Type:: Undergraduate Thesis

Optical Tweezers-Based Probe of Charge Transfer in Organic Semiconductors at Microscopic Scales

Creator:: Busche, Jacob A.
Abstract:: A method for measuring the (dis)charging dynamics of organic semiconductors with single-electron resolution in multiple environments is developed using optical tweezers. A 1μm silica bead was coated with either a pristine organic semiconductor or an electron donor-acceptor blend, trapped using optical tweezers, and driven with an oscillating electrical driving force....
Resource Type:: Honors College Thesis

ScholarsArchive@OSU

Modeling optical reflection and electric field intensity in organic semiconductor microcavities

Photostability of organic semiconductors : from bulk to nanoscales

(Opto)electronic Properties of Xylindein and Organic (Opto)electronic Devices

Photodimerization of Organic Semiconductors in the Strong Coupling Regime

Exciton and Polariton Nature in Organic Crystals

The interaction of bulk heterojunction donor/acceptor blends with polaritonic state creation in organic crystalline films

Fungal Photonics

Optoelectronic Properties of a Novel Fungi-derived Pigment

Detection of exciton polaritons in organic thin film TES-ADT

Optical Tweezers-Based Probe of Charge Transfer in Organic Semiconductors at Microscopic Scales

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