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Center for Materials and Devices for Information Technology Research A) Overview of STC - 1 or 2 lectures (Include how Thrust 1 ties to Thrust 2) (Reid & Armstrong)
B) Basics of light and fields – 90 minutes (Perry and Kippelen)
- Free space concepts
- Propagation in lossless, non dispersive dielectrics
- Propagation in anistropic media
C) Radiometry, Photometry and Color – 60 minutes (Kippelen) • fundamentals of radiometry, definitions • luminance • radiative transfer equation • photometric units • point and extended sources • CIE chromaticity diagram • Additive and substractive color mixing
D) Molecular Orbitals – 150 minutes (Marder & JLB) • Carbon valency • Nodes • Sigma and pi orbitals • Donors and acceptors • Functional groups • Ionization potential and electron affinity • Definition of HOMO and LUMO • Distinction between an orbital and state
E) Absorption and Emission of Light – 2 lectures (Perry) – SETH AND JLB ??? • Jablonski diagram • Absorption and chemical structure • fluorescence, ISC, phosphorescence, nonradiative decay • Transition dipole moment, oscillator strength, extinction coefficient • Stokes shift • Energy transfers
F) Electronic Processes and Materials – 150 Minutes (Kippelen ) • Current, conductors, and organic semiconductors • Classical electron theory of charge transport • Charge mobility, resistivity, sheet resistance, transparent conducting oxides • Dielectrics and capacitors, energy and potential • Charge transport in amorphous solids, disorder formalism • Time-of-flight experiments • Metal organic semiconductor contacts, Ohmic and Schottky contacts • Space-charge limited currents • Electroluminescence • Photogeneration of carriers • Photodetectors
G) Introduction to Liquid Crystals – 100 Minutes (Marder, Kippelen) • Liquid crystals • Director – Classification of LCs • Alignment • Alignment layers • Birefringence • Freederickz transition • Characterization of liquid crystals • Dielectric anisotropy • Viscoelastic properties of LCs
H) Liquid Crystal Displays – 80 Minutes (Kippelen, Marder) • Polarized light • Twisted nematic cell • Active and passive matrix displays • Pixel driver circuits
I) OLEDs - 4 lectures. (Armstrong) Currently in 9 sections + preface: • Preface • Sections 1,2 Light Emitting Electrochemical Processes • Section 3 What is a light emitting diode? • Section 4 The first OLEDs • Section 5 O/O’ Heterojunctions in OLEDs (include small molecules and materials section) • Section 7 Organic Heterojunctions Revisited • Sections 8,9 Enhancing OLED Efficiency with added fluorescent/phosphorescent dopants
J) Introduction to Organic Solar Cells • Overview of crystalline silicon and thin-film photovoltaic technologies • Donor/acceptor heterojunctions • Exciton generation, diffusion and dissociation • Solar spectrum • Power conversion efficiency, external quantum efficiency • Equivalent circuit and modeling, diode parameters • Examples of multilayer and bulk heterojunction organic solar cells • Electrochemical solar cells.
K) Recent results of “state-of-the-art” STC research (Armstrong, Kippelen and others)