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Center for Materials and Devices for Information Technology Research This wiki is a repository of the text of the first round of graduate modules. It provides an organization framework for learning objects that are being created.
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)
- 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)