ORGANIC SEMICONDUCTOR COMPOUND AND ORGANIC ELECTRONIC DEVICE COMPRISING THE SAME

Organic electronic device with improved electron mobility

This technology concerns organic semiconductor compounds and organic electronic devices into which electron donor units have been introduced.

Existing n-type organic semiconductor compounds have a high LUMO (lowest unoccupied molecular orbital) energy level and low planarity, making it difficult to apply them to devices such as p-n-7 junction transistors and organic solar cells. To solve this problem, this technology proposes a compound with a low LUMO energy level by introducing an electron donor monomer and improved interconnectivity through non-covalent interactions between molecules.

The organic electronic devices of compounds using this technology show improved stability and electron mobility.

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Key Features:

• R1 and R2 are the same or different from each other, R1 and R2 are each independently, C3 to C30 are straight-chain or branched alkyl groups
• X1 and X2 are the same or different from each other, X1 and X2 are each independently hydrogen atoms or halogen atoms
• R3 to R6 are the same or different from each other, R3 to R6 are each independently, C1 to C20 are straight-chain alkyl groups
• Interconnectivity between compounds is enhanced, lowering the LUMO energy levels of the compounds, and electron transfer of three-dimensional orientation is enhanced by involving both horizontal and vertical electron transfer

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This technology was developed through support from the National Research Foundation of Korea's Pi Electronic Molecular Soft Nanomaterials research project.

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