Themen der Lehrveranstaltung
1) Introduction -
I. semiconductors, Organic semiconducting (macro)molecules, Pi-orbitals and conjugation
ii. Excitations: excitons and polarons
iii. Exciton spin: singlets and triplets
iv. Synopsis electronic and optical processes
v. Optical properties: a few examples
vi. Summary of optical properties
2) Organic light-emitting diodes
a. Structure
b. Fundamental processes
i. Charge injection
ii. Charge transport
iii. Exciton formation
iv. Exciton decay
c. Characterisation of OLEDs
i. Relevant performance parameters
ii. Characterising metal-semiconductor contacts:
d. Practical implementations
i. Anodes
ii. Cathodes
iii. Active materials
iv. Fabrication technology: solution processability
e. State-of-the-art devices and future prospects
3) Organic photovoltaic diodes (PVDs) -
a. Fundamental process
b. Characterisation of PVDs
c. Examples of polymer-based PVDs
d. State-of-the-art devices and future prospects
4) Supramolecular structures -
a. Introduction to secondary (non covalent) interactions
b. Threaded molecular wires (TMWs).
5) Near-infrared (NIR) emitting + absorbing materials
a. Overview
b. Challenges: the energy gap "rule"
c. Materials not leveraging triplet-assisted photophysics
d. Current state-of-the-art
6) Advanced bio-optoelectronic applications
a. Role of conjugated polymers in advanced bio-optoelectronic applications
i. Artificial retina technologies
ii. Biohybrid interfaces
iii. Bioprinting.
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