Abstract: Non-fullerene electron acceptors for highly efficient organic photovoltaic devices are described. The non-fullerene electron acceptors have an extended, rigid, ?-conjugated electron-deficient framework that can facilitate exciton and charge derealization. The non-fullerene electron acceptors can physically mix with a donor polymer and facilitate improved electron transport. The non-fullerene electron acceptors can be incorporated into organic electronic devices, such as photovoltaic cells.

Abstract: Non-fullerene electron acceptors for highly efficient organic photovoltaic devices are described. The non-fullerene electron acceptors have an extended, rigid, ?-conjugated electron-deficient framework that can facilitate exciton and charge derealization. The non-fullerene electron acceptors can physically mix with a donor polymer and facilitate improved electron transport. The non-fullerene electron acceptors can be incorporated into organic electronic devices, such as photovoltaic cells.

Abstract: Novel dibenzosuberane-based compounds, compositions containing such compounds, and electronic devices containing such compounds as electron transport materials are described herein. Methods for making the dibenzosuberane-based compounds of the present invention are also described.

Abstract: Novel acenaphthylene imide-derived semiconductor materials, including small molecule compounds, polymers and oligomers. Also provided are methods for making the novel semiconductor materials and the use of the novel semiconducting materials in electronic or optoelectronic device. In some embodiments, the novel semiconducting materials are used as n-channel component in organic field-effect transistors as well as complementary electronic circuits including inverters. High mobility can be achieved.

Abstract: Charge transport compounds are provided. The compounds are useful in optoelectronic devices that include the compounds incorporated as a charge-transport layer. Methods for forming films of the compounds are also provided. Additionally, methods are provided for forming films of a charge-transport layer on an active layer of an optoelectronic device. The films are formed from a solution with solubility orthogonal to the solubility of the active layer, such that the active layer is not solvated during deposition of the charge-transport layer.

Abstract: Novel acenaphthylene imide-derived semiconductor materials, including small molecule compounds, polymers and oligomers. Also provided are methods for making the novel semiconductor materials and the use of the novel semiconducting materials in electronic or optoelectronic device. In some embodiments, the novel semiconducting materials are used as n-channel component in organic field-effect transistors as well as complementary electronic circuits including inverters. High mobility can be achieved.

Abstract: The inventions disclosed, described, and/or claimed herein relate to copolymers comprising copolymers comprising electron accepting A subunits that comprise thiazolothiazole, benzobisthiazole, or benzobisoxazoles rings, and electron donating subunits that comprise certain heterocyclic groups. The copolymers are useful for manufacturing organic electronic devices, including transistors and solar cells. The invention also relates to certain synthetic precursors of the copolymers. Methods for making the copolymers and the derivative electronic devices are also described.

Abstract: The inventions disclosed, described, and/or claimed herein relate to copolymers comprising copolymers comprising electron accepting A subunits that comprise thiazolothiazole, benzobisthiazole, or benzobisoxazoles rings, and electron donating subunits that comprise certain heterocyclic groups. The copolymers are useful for manufacturing organic electronic devices, including transistors and solar cells. The invention also relates to certain synthetic precursors of the copolymers. Methods for making the copolymers and the derivative electronic devices are also described.

Abstract: Solar cells having active layers that include poly(3-alkylthiophene) nanowires.

Abstract: Solar cells having active layers that include poly(3-alkylthiophene) nanowires.

Abstract: The present invention relates to an electroluminescent device including an anode and a cathode capable of being electrically connected to a power supply and a voltage regulator, and a multi-layered polymer structure, between the anode and cathode, including a first polymer layer which includes a hole transfer polymer contacting the anode and a second polymer layer which includes an n-type conjugated polymer contacting the cathode, wherein changes in the voltage of current passing through the electroluminescent device change the color of electroluminescent emissions from the multi-layered polymer structure.

Abstract: The present invention relates to an electroluminescent device including an anode and a cathode capable of being electrically connected to a power supply and a voltage regulator, and a multi-layered polymer structure, between the anode and cathode, including a first polymer layer which includes a hole transfer polymer contacting the anode and a second polymer layer which includes an n-type conjugated polymer contacting the cathode, wherein changes in the voltage of current passing through the electroluminescent device change the color of electroluminescent emissions from the multi-layered polymer structure.

Abstract: A class of rigid rod and latter polymers having light emitting capability is provided. Included in this class of polymers are those having novel repeating structural units. These rigid rod and ladder polymers are employed in light emitting diodes.

Abstract: The present invention is directed to an exciplex formed from a .eta.-conjugated polymer and an electron donor or acceptor component. The present invention also relates to assemblies comprising said exciplex, their use in optoelectrical devices and method of enhancing optoelectrical properties of .eta.-conjugated polymers by forming said exciplex.

Abstract: A class of rigid rod and latter polymers having light emitting capability is provided. Included in this class of polymers are those having novel repeating structural units. These rigid rod and ladder polymers are employed in light emitting diodes.

Abstract: A class of rigid rod and latter polymers having light emitting capability is provided. Included in this class of polymers are those having novel repeating structural units. These rigid rod and ladder polymers are employed in light emitting diodes.

Abstract: The present invention is directed to an exciplex formed from a .pi.-conjugated polymer and an electron donor or acceptor component. The present invention also relates to assemblies comprising said exciplex, their use in optoelectrical devices and method of enhancing optoelectrical properties of .pi.-conjugated polymers by forming said exciplex.

Abstract: A humidity detector with a supporting substrate and a ladder polymer coating, which can be utilized in xerographic imaging and printing apparatuses.

Abstract: A photoconductive imaging member comprised of a supporting substrate, a photogenerating layer comprised of a ladder polymer selected from the group consisting of those represented by the following formulas: ##STR1## and mixtures thereof, wherein n represents the number of segments, and a charge transport layer.

Abstract: A novel composition is a solution in an organic solvent of an electron donor-acceptor complex of a conjugated aromatic polyazomethine compound and a Lewis acid compound. This composition is coated on a transparent support and the solvent is evaporated to produce an optical device. Decomposition of the polyazomethine-Lewis acid complex coated on the substrate produces a new optical device comprising a film of the polyazomethine compound on the substrate. Compositions of the present invention can also be used for the preparation of optical wave guides, optical switching elements, fibers, and dielectric materials.