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

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Presentation on theme: "NanoFMF: Plastik og kvantemekanik Thomas Garm Pedersen Inst. for Fysik og Nanoteknologi Aalborg Universitet."— Presentation transcript:

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

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

3 Polyacetylene and Polyethylene Polyacetylene: unsaturated Polyethylene: saturated

4 Light emitting plastics at AAU

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

6 OLED design

7 Understanding the color

8 Quantum levels Small space means large energy!

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

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

11 More Info:

12 Quantum Physics

13 Standing waves

14 Waves in atomic chains Discrete Schrödinger eq.

15 Two atoms

16 Four atoms

17 Longer chains Band gap

18 Alternating chains Band gap


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