Fused thiophene-based conjugated polymers and their use in optoelectronic devices

Patent · Tue Nov 03 00:00:00 EST 2015

OSTI ID:1224818

Facchetti, Antonio; Marks, Tobin J.; Takai, Atsuro; Seger, Mark; Chen, Zhihua

The present teachings relate to certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The disclosed compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The disclosed compounds can have good solubility in common solvents enabling device fabrication via solution processes.

• Research Organization: Northwestern Univ., Evanston, IL (United States); Polyera Corporation, Skokie, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: SC0001059
• Assignee: Northwestern University (Evanston, IL); Polyera Corporation (Skokie, IL)
• Patent Number(s): 9,178,160
• Application Number: 14/520,304
• OSTI ID: 1224818
• Resource Relation: Patent File Date: 2014 Oct 21
• Country of Publication: United States
• Language: English

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36 MATERIALS SCIENCE