Polyera Corporation

Northwestern University

Raynergy Tek Inc.

Flexterra, Inc.

Martin Drees

Antonio Facchetti

Shaofeng Lu

Zhengguo Zhu

Yan Yao

He Yan

Tobin Jay Marks

Hualong Pan

Hakan Usta

Zhihua Chen

Yu Xia

Robert P H Chang

Kap-Soo Cheon

Wei Zhao

Mitchell Denti

Ferdinand Melkonyan

Xugang Guo

Nanjia Zhou

The present invention relates to new semiconducting compounds having at least one optionally substituted bithiophene sulfonamide moiety. The compounds disclosed herein can exhibit high carrier mobility and/or efficient light absorption/emission characteristics, and can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.

Bithiophene sulfonamide-based molecular and polymeric semiconductors

The present invention relates 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 present 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 present compounds can have good solubility in common solvents enabling device fabrication via solution processes.

Conjugated polymers and their use in optoelectronic devices

The present invention relates to all-polymer blends including an electron-acceptor polymer and an electron-donor polymer, capable of providing improved device performance, for example, as measured by power conversion efficiency, when used in photovoltaic cells.

Polymeric blends and related optoelectronic devices

Disclosed are 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.

Disclosed are 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, field effect transistors, and photodetectors. 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.

Disclosed are semiconducting compounds having one or more pyrrolo[3,2-b]pyrrole-2,5(1H,4H)-dione 3,6-diyl units. Such compounds can be monomeric, oligomeric, or polymeric, and can exhibit desirable electronic properties and possess processing advantages including solution-processability and/or good stability.

Pyrrolo[3,2-B]pyrrole semiconducting compounds and devices incorporating same

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Glenview, IL, United States of America

Martin Drees