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Organic Electronics Wu Bin. Inorganic Vs. Organic Material Properties.

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Presentation on theme: "Organic Electronics Wu Bin. Inorganic Vs. Organic Material Properties."— Presentation transcript:

1 Organic Electronics Wu Bin

2 Inorganic Vs. Organic Material Properties

3 Limitations At Early Stage  Organic materials have often proved to be unstable.  Making reliable electrical contacts to organic thin films is difficult.  When exposed to air, water, or ultraviolet light, their electronic properties can degrade rapidly.  The low carrier mobilities characteristic of organic materials obviates their use in high- frequency (greater than 10 MHz) applications. These shortcomings are compounded by the difficulty of both purifying and doping the materials.

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5 Inorganic Vs. Organic LEDs

6 Molecular Orbitals

7 Organic LED Energy Diagram

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11 Organic Thin Film Transistors (OTFTs) Organic material

12 An Example of an I-V of OTFTs Lg = 20 µm W = 220 µm 400 nm SiO 2 50 nm organic

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