Patent · US Active

Solution processable n-type ladder polymer for hetero-junction devices

US8993713B1 · kind B1 · utility

3Cited by
2References
13Claims
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Key dates

Filing dateMay 16, 2013
Grant dateMar 31, 2015
Priority date—
Expiry dateAug 3, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/549
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A n-type ladder copolymer including, a n-type ladder copolymer formed with alternating perylene and pyridine units having chemical structure A having two end groups, where perylene units having at least one solubilizing group attaching at position(s) 1, 6, 7, and/or 12, where R1, R2, R3, and R4 solubilizing group(s) are each independently selected from the group consisting of aryl, alkyl aryl, alkoxy aryl, and aryloxy aryl, and where n repeat units ranging from about 4 to about 400

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.