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Easily Processed Tetracarboxylic Diimide Semiconductors

Case ID:
C10436
Disclosure Date:
7/10/2008

C10436: Low-cost Transistors for Organic Electronics

Value Proposition:

• While many different materials may be utilized to fabricate p-channel organic thin-film transistors (OTFTs), only a limited number of materials exist for fabricating n-channel OTFTs.
• Most n-channel OTFTs are fabricated using naphthalene or perylene.
• Compared to naphthalene or perylene, pyromellitic diimide derivatives can be easily synthesized utilizing a one-step reaction between pyromellitic dianhydride and various amines.
• Due to the reactive nature of the pyromellitic dianhydride, synthesis of large quantities of pyromellitic diimides is significantly easier than synthesis of naphthalene or perylene diimides.
• Pyromellitic dianhydride has a high conversion yield and is easy to purify, so fabrication is highly scalable and less expensive to manufacture than other diimide semiconductors.

Technical Details:

The Johns Hopkins University seeks a partner to commercialize novel designs and production methods for organic transistors. The easily-processed organic semiconductors pave the way for inexpensively fabricating more complex circuitry for organic electronic devices.

Looking for Partners:

• Organic transistors
• Organic capacitors
• Memory elements
• Photovoltaics
• Organic Light Emitting Diodes



Patent Information:
Title App Type Country Serial No. Patent No. File Date Issued Date Expire Date Patent Status
PYROMELLITIC DIIMIDE ORGANIC SEMICONDUCTORS AND DEVICES PCT: Patent Cooperation Treaty United States 12/999,733 8,269,215 12/17/2010 9/18/2012 7/21/2029 Granted
Direct Link:
https://jhu.technologypublisher.com/technology/16665
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For Information, Contact:
Lisa Schwier
lschwie2@jhu.edu
410-614-0300
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