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

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Presentation transcript:

Organic Electronics Wu Bin

Inorganic Vs. Organic Material Properties

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.

Inorganic Vs. Organic LEDs

Molecular Orbitals

Organic LED Energy Diagram

Organic Thin Film Transistors (OTFTs) Organic material

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