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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)
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: http://www.physics.aau.dk/~tgp/oleds_tgp.pdf
Waves in atomic chains Discrete Schrödinger eq.
Longer chains Band gap
Alternating chains Band gap
Organic Electronics J Emyr Macdonald, School of Physics and Astronomy Nanophysics group.
LCD TFT LED-OLED CCD CMOS DISPLAY SYSTEMS AND PHOTOSENSORS (PART 3)
Chemistry Daily 10’s Week 5.
Excited State vs. Ground State. e-e- e-e- Ground state Excited state Electrons can only be at specific energy levels, NOT between levels.
What do you see? Old woman? Or young girl? Is turning a light on and off a chemical or physical change? ◦ Physical change What creates light?
FOUR MEASUREMENTS OF PLANCK’S CONSTANT Planck’s constant h is fundamental to the quantum theory of matter and radiation. This constant, introduced by Planck.
Conducting Polymers Master in Nanoscience
Substantially Conductive Polymers Part 01. Materials, According To Electrical Properties insulator, –
Thermal radiation Any object that is hot gives off light known as Thermal Radiation. The hotter an object is, the more light it emits. As the temperature.
November 22, Name of the Game: ENERGY And also: NOBEL PRIZES FOR PHYSICS.
Application of quantum in chemistry
Organic Light Emitting Diodes (OLEDs) Physics 496/487 Matt Strassler.
SMDEP Physics Fluids: Bernoulli Electromagnetic Radiation
Prof. Dr. Gerhard Gobsch Optical, Electronic and Structural Properties of Semiconductor Nanostructures and Optoelectronic Devices Inorganic Semi-conductors.
How to Color LEDs LED Color Standard BrightnessHigh Brightness Chip Material lpk (NM) Iv (mcd) Viewing Angle Chip Material lpk (NM) Iv 3 (mcd) Viewing.
AA&A spring Light, atomic structure, color Light is a kind of wave motion Electromagnetic spectrum/Visible spectrum Light is a kind of particle.
Nanomaterials & Nanotechnology
Atoms and the Periodic Table Chapter 8. Homework Assignment Chap 8 Read p 223 – 231; Applying the Concepts (p 243): 1 – 13, 15 – 17, 19, 23.
Modern Atomic Theory Ms. Hoang ACP Chemistry. Summary Visible light is a small section of the EM spectrum Light exhibits wave-like and particle-like.
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