Provided are amphiphilic copolymers that include repeat units of formulas [Z].sub.m and [P].sub.n, wherein Z is a zwitterionic structural unit including at least one pendant heteroaromatic moiety, the heteroaromatic moiety containing a positively charged quaternary nitrogen atom (e.g., a pyridine ring), and wherein at least one negatively charged functional moiety is linked to the heteroaromatic moiety directly or through a linker, wherein the linker, where present, is an optionally substituted alkyl linker; P is a structural unit including a hydrophobic moiety, the hydrophobic moiety being a linear, branched, or cyclic fluorine-substituted C.sub.1-C.sub.20 moiety; m is an integer that is ≥1; and n is an integer that is ≥1.

An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer. The method includes applying an undercoat agent to a substrate to form a layer containing the undercoat agent; forming a layer containing a block copolymer having multiple blocks bonded on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and selectively removing a phase containing at least one block of multiple blocks constituting the block copolymer.

An undercoat agent including a block copolymer having a plurality of blocks bonded formed on a substrate. The undercoat agent contains a resin component that includes a structural unit having an aromatic ring and a structural unit having no aromatic ring, and the resin component includes a group which can interact with the substrate and does not include a 3 to 7-membered, ether-containing cyclic group; and a method of forming a pattern of a layer containing a block copolymer. The method includes applying an undercoat agent to a substrate to form a layer containing the undercoat agent; forming a layer containing a block copolymer having multiple blocks bonded on a surface of the layer containing the undercoat agent, followed by a phase separation of the layer containing the block copolymer; and selectively removing a phase containing at least one block of multiple blocks constituting the block copolymer.

The present invention relates to: an electrode comprising a current collector and a film located on the current collector, wherein the film comprises an organic semiconductor material and one selected from a carbon material, a metal oxide and a conductive polymer; a method for manufacturing the electrode; and a supercapacitor comprising the electrode.

The present invention relates to: an electrode comprising a current collector and a film located on the current collector, wherein the film comprises an organic semiconductor material and one selected from a carbon material, a metal oxide and a conductive polymer; a method for manufacturing the electrode; and a supercapacitor comprising the electrode.

A curable composition can comprise a polymerizable material and a photo-initiator, wherein the polymerizable material can comprise a first monomer including at least one bismaleimide-monomer and at least one second monomer. The curable composition can have a viscosity of not greater than 30 mPa.Math.s, and a cured layer of the curable composition can have a high thermal stability up to 350° C.

Embodiments in accordance with the present invention encompass compositions containing one or more polycycloolefinic monomers and at least one multifunctional olefinic monomer which when subjected to a suitable temperature undergoes mass polymerization to provide a three-dimensional insulating article which exhibits hitherto unattainable low dielectric constant and low-loss properties, and very high thermal properties. The compositions of this invention may additionally contain one or more organic or inorganic filler materials, which provide improved thermo-mechanical properties in addition to very low dielectric properties. The compositions are stable at room temperature and undergo mass polymerization only when subjected to suitable higher temperatures generally above 100° C. The compositions of this invention are useful in various applications, including as insulating materials in millimeter wave radar antennas, among others.

Embodiments in accordance with the present invention encompass compositions containing one or more polycycloolefinic monomers and at least one multifunctional olefinic monomer which when subjected to a suitable temperature undergoes mass polymerization to provide a three-dimensional insulating article which exhibits hitherto unattainable low dielectric constant and low-loss properties, and very high thermal properties. The compositions of this invention may additionally contain one or more organic or inorganic filler materials, which provide improved thermo-mechanical properties in addition to very low dielectric properties. The compositions are stable at room temperature and undergo mass polymerization only when subjected to suitable higher temperatures generally above 100° C. The compositions of this invention are useful in various applications, including as insulating materials in millimeter wave radar antennas, among others.

A photovoltaic device includes a photoactive material comprising a perovskite material and an interfacial layer comprising a cross-linked polymer that comprises a fullerene or fullerene derivative, a cross-linking agent, and one or more polymers selected from the group consisting of polystyrene, [6,6]-phenyl-C61-butyric acid methyl ester, poly(4-vinylphenol), [6,6]-phenyl-C61-butyric acid, and any combination thereof.

A curable composition can comprise a polymerizable material and a photo-initiator, wherein the polymerizable material can comprise a first monomer including at least one bismaleimide-monomer and at least one second monomer. The curable composition can have a viscosity of not greater than 30 mPa.Math.s, and a cured layer of the curable composition can have a high thermal stability up to 350° C.