NanoFMF: Plastik og kvantemekanik Thomas Garm Pedersen Inst. for Fysik og Nanoteknologi Aalborg Universitet.

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Presentation transcript:

NanoFMF: Plastik og kvantemekanik Thomas Garm Pedersen Inst. for Fysik og Nanoteknologi Aalborg Universitet

Discovery of conducting plastics Alan Heeger Alan G. MacDiarmid Hideki Shirakawa Nobel Prize in Chemistry 2000

Polyacetylene and Polyethylene Polyacetylene: unsaturated Polyethylene: saturated

Light emitting plastics at AAU

Typical polymers poly(para-phenylene-vinylene) poly(para-phenylene)

OLED design

Understanding the color

Quantum levels Small space means large energy!

Geometry and color Blue (440 nm) Green (500 nm) Infrared (2500 nm)

Polymers with rare-earth atoms Polymer synthesized by AAU chemistry department (D. Yu and K. Zhu) New infrared emitting polymers?

More Info:

Quantum Physics

Standing waves

Waves in atomic chains Discrete Schrödinger eq.

Two atoms

Four atoms

Longer chains Band gap

Alternating chains Band gap

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