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Lecture Notes

This section provides a detailed list of lecture topics, along with links to some of the lecture notes.
Introduction to 6.973
Lecture 1. Welcome to 6.973 - Organic Optoelectronics (PDF)   
From Molecules to Aggregates
Lecture 2. Organic Molecules -- Structure and Nomenclature (PDF)
  • Determining the Structure of Organic Compounds
  • Carbon
  • Covalent Bond (Lewis Structure Formalism)
  • Molecular Geometry (Bond Length, Bond Angle)
  • Electronic Structure of Atoms and Molecules (1st pass)
  • Sigma and Pi Bonds
Lecture 3. Organic Molecules -- Cyclic and Conjugated Molecules
  • Cyclic Compounds
  • Aromatic Hydrocarbons (C-Ö) Benzene
  • Determining the Structure of Organic Compounds (Spectroscopy)
Lecture 4. Organic Molecules -- Energy Levels
  • Spectral Properties
  • Einstein Transition Probabilities
  • Raman Processes
  • Born-Oppenheimer Approximation
  • Frank-Condon Shift
Lecture 5. From Molecules to Aggregates
  • Singlets and Triplets
  • Born-Oppenheimer Approximation
  • Frank-Condon Shift
  • Aggregates
Lecture 6. Excited States of Aggregate Films
  • Van der Waals Bonding
  • Hydrogen Bonding
  • Dimers
  • Excimers
  • Generation of Excitons
Lecture 7. Excitons - Types, Energy Transfer (PDF)      

  • Wannier Exciton
  • Charge-transfer Exciton
  • Frenkel Exciton
  • Exciton Diffusion
  • Exciton Energy Transfer (Förster, Dexter)

Lecture 8. Exciton Diffusion (PDF)

  • Exciton Energy Transfer
  • Exciton Diffusion
    • Photoluminescence Measurement
    • Photocurrent Measurement
Photocurrent, Photodetectors, Solar Cells
Lecture 9. Photovoltaics and Photodetectors -- Part I (PDF)
  • Photogeneration
  • Organic Heterojunction Photovoltaic Cell
  • Organic Multilayer Photodetector

Lecture 10. Photovoltaics and Photodetectors -- Part II (PDF)

  • Organic Heterojunction Photovoltaic Cell
  • Organic Multilayer Photodetector
Lecture 11. Photovoltaic Cells and Photodetectors - Part III
  • Blended Polymer Photovoltaics and Photodetectors
  • Organic/Nanorod Photovoltaics
  • Gratzel Electrochemical Cell
Growing and Pattering Thin Organic Films
Lecture 12. Growing and Pattering Thin Organic Films -- Part I
  • Purifying Organic Materials
  • Growth Techniques:
  • Spin-on
    • Evaporation
    • Langmuir-Blodget
    • Chemical Vapor Phase Deposition
    • Ink-Jet Printing
    • Self Assembly

Lecture 13. Measuring the Energy Structure of Thin Films: Growing and Pattering Thin Organic Films -- Part II

  • Measuring the Energy Structure
    • Photoemission Spectroscopy
    • Inverse Photoemission Spectroscopy
    • Cyclic Voltametry
    • Dipoles at the Organic Thin Film Interfaces
  • Patterning Techniques
    • Soft Lithography
    • Chemically Selective Deposition
    • Cold Welding
Organic Light Emitting Devices
Lecture 14. Organic LEDs -- Part I
  • How Do We Perceive Color
  • Basic OLED Properties and Performance

Lecture 15. Organic LEDs - Part II: Electrical Current in Organic Thin Films

  • Charged Carrier Transport
  • Ohmic
  • Space Charge limited
  • Trap-limited Space-charge Conduction
  • Display Driving Schemes
Lecture 16. Organic LEDs -- Part III

  • Conventional (OLED)
  • Transparent (TOLED)
  • Inverted (OILED)
  • Metal-Free (MF-TOLED)
  • Flexible (FOLED)
  • Stacked (SOLED)
  • Organic LED Displays
Lecture 17. Organic LEDs -- Part IV (Guest lecture by Professor Marc Baldo) (PDF)
  • OLED Efficiency
  • Spin
  • Energy Transfer
  • Organic Phosphors
  • Singlet/Triplet Ratios
  • Phosphor Sensitized Fluorescence
  • Endothermic Triplet Energy Transfer
Lecture 18. Organic LEDs -- Part V
  • Extracting Light Out of OLEDs
  • Time Sequenced OLED Backlights
  • Flexible OLEDs
Lecture 19. Organic LEDs -- Part VI (PDF)

  • Exciton Recombination Region in Organic LEDs
  • White OLED
  • Flexible OLEDs
  • Solvation Effect
  • Solid State Solvation
Lecture 20. Organic LEDs -- Part VII (PDF)
  • Solvation Effect - Review
  • Solid State Solvation

Lecture 20b. Organic LEDs -- Part VII (PDF)

  • Exciton Dynamics in Disordered Organic Thin Films
  • Quantum Dot LEDs
Lasing Action in Organic Thin Films
Lecture 21. Organic Semiconducting Lasers - Part I
  • Lasing Process
  • Optically Pumped Lasing Structures

Lecture 22. Organic Semiconducting Lasers -- Part II, and Organic Thin Film Transistors - Part I

  • Optically Pumped Organic Lasers – Potential Benefits, Towards Electrical Pumping of Organic, Lasers, OTFTs - OFETs
Organic Field Effect Transistors
Lecture 23. Organic Thin Film Transistors - Part II and The Edge of Nano
  • OFETs: Materials, Contacts, Applications, Display Drivers, Chemical Sensing, Single Molecule Memory, Nanotube Transistors, Nanotube Growth in Porous Alumina