Abstract: Described is a method for the selective etching of single walled carbon nanotubes with CO2 where nanotubes of small diameters are removed.

Abstract: A process for forming at least one transistor on a substrate is described. The substrate comprises a polyimide and a nanoscopic filler. The polyimide is derived substantially or wholly from rigid rod monomers and the nanoscopic filler has an aspect ratio of at least 3:1. The substrates of the present disclosure are particularly well suited for thin film transistor applications, due at least in part to high resistance to hygroscopic expansion and relatively high levels of thermal and dimensional stability.

Abstract: The present invention relates to a hexagonal boron nitride platelet particle having a layer of a ferromagnetic metal between the layers of hexagonal boron nitride thereof, and a process for preparing the composition thereof. The present invention further relates to polymeric composites formed therefrom. The present invention describes improvements in thermal conductivity of said composites when subject to an orienting magnetic field.

Abstract: The present disclosure relates to a method of manufacturing of a glass coated flexible polymeric substrate. This invention also relates to a coated flexible polymeric substrate that is suitable for manufacturing flexible solar cells and electronic devices.

Abstract: The present disclosure relates to a method of manufacturing of a glass coated material that is suitable for use in the manufacture of flexible solar cells and other electronic devices. The invention is also to articles comprising the flexible solar cells described herein.

Abstract: A device for sensing a chemical analyte is disclosed. The device is comprised of a vibrating structure having first and second surfaces and having an associated resonant frequency and a wire coupled between the first and second surfaces of the vibrating structure, wherein the analyte interacts with the wire and causes a change in the resonant frequency of the vibrating structure. The vibrating structure can include a tuning fork. The vibrating structure can be comprised of quartz. The wire can be comprised of polymer. A plurality of vibrating structures are arranged in an array to increase confidence by promoting a redundancy of measurement or to detect a plurality of chemical analytes. A method of making a device for sensing a chemical analyte is also disclosed.

Abstract: The present disclosure relates generally to filled polyimides that can be formed into films, fibers and other articles. The filled polyimide is useful in coverlay applications and has advantageous dielectric, mechanical and optical properties.

Abstract: Provided are filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. Also provided are blends of cellulosic polymer and polyimide precursor which can be used to obtain the filled polyimides.

Abstract: The present disclosure relates generally to filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. The present disclosure also relates to blends of polyimide precursor, polyacrylonitrile, and cellulosic polymer which can be used to obtain the filled polyimides.

Abstract: The present disclosure relates generally to filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. The present disclosure also relates to blends of cellulosic polymer and polyimide precursor which can be used to obtain the filled polyimides.

Abstract: The present disclosure relates generally to filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. The present disclosure also relates to blends of polyimide precursor, polyacrylonitrile, and cellulosic polymer which can be used to obtain the filled polyimides.

Abstract: Provided are filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. Also provided are blends of polyimide precursor, polyacrylonitrile, and cellulosic polymer which can be used to obtain the filled polyimides.

Abstract: The present disclosure relates generally to filled polyimides that can be used in films and articles comprising the films. The films are useful in coverlay applications and have advantageous optical properties. The present disclosure also relates to blends of cellulosic polymer and polyimide precursor which can be used to obtain the filled polyimides.

Abstract: The present disclosure relates to a method of manufacturing of a glass coated metal product. This invention also relates to a coated metallic substrate material that is suitable for manufacturing flexible solar cells and other articles in which a passivated stainless steel surface is desirable.

Abstract: The present disclosure relates to a method of manufacturing of a glass coated metal product. This invention also relates to a coated metallic substrate material that is suitable for manufacturing flexible solar cells and other articles in which a passivated stainless steel surface is desirable.

Abstract: The films of the present disclosure have a thickness from about 8 to about 150 microns and contain from about 40 to about 95 weight percent of a polyimide derived from: i. at least one aromatic dianhydride, at least about 85 mole percent of such aromatic dianhydride being a rigid rod type monomer, and ii. at least one aromatic diamine, at least about 85 mole percent of such aromatic diamine being a rigid rod type monomer. The films of the present disclosure further comprise a filler that: i. is less than about 800 nanometers in at least one dimension; ii. has an aspect ratio greater than about 3:1; iii. is less than the thickness of the film in all dimensions; and iv. is present in an amount from about 5 to about 60 weight percent of the total weight of the film.

Abstract: The present disclosure relates to a method of manufacturing of a metal oxide and glass coated metal product. This invention also relates to a coated metallic substrate material that is suitable for manufacturing flexible solar cells and other articles in which a passivated stainless steel surface is desirable.

Abstract: The present invention describes polymer compositions containing boron nitride particles that are encapsulated in layers of turbostratic carbon. The polymers so prepared exhibit enhanced thermal conductivity.

Abstract: The assemblies of the present invention comprise an electrode, an light absorber layer and a polyimide film. The polyimide film contains from about 40 to about 95 weight percent of a polyimide derived from: i. at least one aromatic dianhydride, at least about 85 mole percent of such aromatic dianhydride being a rigid rod type dianhydride, and ii. at least one aromatic diamine, at least about 85 mole percent of such aromatic diamine being a rigid rod type diamine. The polyimide films of the present disclosure further comprise a filler that: i. is less than about 100 nanometers in all dimensions; and ii. is present in an amount from about 5 to about 60 weight percent of the total weight of the polyimide film.

Abstract: A process for forming at least one photovoltaic component on a substrate is described. The substrate comprises a polyimide and a sub-micron filler. The polyimide is derived substantially or wholly from rigid rod monomers and the sub-micron filler has an aspect ratio of at least 3:1. The substrates of the present disclosure are particularly well suited for photovoltaic applications, due at least in part to high resistance to hygroscopic expansion and relatively high levels of thermal and dimensional stability.