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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)