Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole transport layer contains a compound represented by general formula (1) below, where in the formula, R1 represents a methoxy group or an ethoxy group, R2 represents a hydrogen group or a methyl group, R3 represents a hydrogen group, a methyl group, or a methoxy group, R4 represents a methoxy group, and X represents —CH2—, —CH2CH2—, —O—, or —C(CH2)5—.

Abstract: Provided is a photoelectric conversion element including a first electrode, a hole blocking layer, an electron transport layer, a first hole transport layer, and a second electrode, wherein the first hole transport layer includes at least one of basic compounds represented by general formula (1a) and general formula (1b) below: where in the formula (1a) or (1b), R1 and R2 represent a substituted or unsubstituted alkyl group or aromatic hydrocarbon group and may be identical or different, and R1 and R2 may bind with each other to form a substituted or unsubstituted heterocyclic group containing a nitrogen atom.

Abstract: A method for producing an aqueous dispersion of purified polytetrafluoroethylene, the method including: removing or reducing a compound represented by Formula (1) or (2) below from an aqueous dispersion of polytetrafluoroethylene obtained using a hydrocarbon surfactant: Formula (1): (H—(CF2)m—COO)pM1; or Formula (2): (H—(CF2)n—SO3)qM2. Also disclosed is a composition containing polytetrafluoroethylene substantially free from a compound represented by Formula (3) below and a molded body including the composition: Formula (3): (H—(CF2)8—SO3)qM2.

Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole blocking layer includes a metal oxide including a titanium atom and a niobium atom.

Abstract: A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group, or R1 and R2 share bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where X+ represents a counter cation.

Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a conductive film, an electron transport layer overlying the conductive film, a photoelectric conversion layer overlying the electron transport layer, a hole transport layer overlying the photoelectric conversion layer, and an electrode. The photoelectric conversion layer includes a first material and a second material, each having specific chemical formulae.

Abstract: A tertiary amine compound is provided. The tertiary amine compound is represented by the following general formula (1): where each of Ar1 and Ar2 independently represents a benzene ring having an alkyl group or an alkoxy group, an unsubstituted benzene ring, a naphthalene ring having an alkyl group or an alkoxy group, or an unsubstituted naphthalene ring.

Abstract: Provided is a photoelectric conversion element including a first electrode, a hole blocking layer, an electron transport layer, a first hole transport layer, and a second electrode, wherein the first hole transport layer includes at least one of basic compounds represented by general formula (1a) and general formula (1b) below: where in the formula (1a) or (1b), R1 and R2 represent a substituted or unsubstituted alkyl group or aromatic hydrocarbon group and may be identical or different, and R1 and R2 may bind with each other to form a substituted or unsubstituted heterocyclic group containing a nitrogen atom.

Abstract: Low molecular weight polytetrafluoroethylene powder having a complex viscosity of 1×102 to 7×103 Pa·s at 380° C., containing 5 or less carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, and being substantially free from C8-C14 perfluorocarboxylic acids and salts thereof. Also disclosed is a method for producing low molecular weight polytetrafluoroethylene.

Abstract: To provide a photoelectric conversion element, including a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.

Abstract: A method for producing low molecular weight polytetrafluoroethylene less likely to generate C8-C14 perfluorocarboxylic acids and salts thereof. The method includes: (1) feeding into an airtight container: polytetrafluoroethylene; at least one additive selected from the group consisting of hydrocarbons, chlorinated hydrocarbons, alcohols, and carboxylic acids other than C8-C14 perfluorocarboxylic acids; and at least one selected from the group consisting of inert gases other than the above additive and oxygen adsorbents; and (2) irradiating the polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a complex viscosity of 1×102 to 7×105 Pa·s at 380° C.

Abstract: Provided is a photoelectric conversion element including a first electrode, an electron-transporting layer, a hole-transporting layer, and a second electrode, wherein the hole-transporting layer and the second electrode are in contact with each other, and the hole-transporting layer satisfies the following formula: 0%<Rc(50)?0.75% where an average thickness of the hole-transporting layer is determined as X (nm), and Rc(50) is a ratio of an area of projected parts that are projected from a standard line towards the second electrode, where the standard line is present at a position that is away, by X+50 (nm), from an opposite surface of the hole-transporting layer to a surface of the hole-transporting layer in contact with the second electrode.

Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.

Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.

Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.

Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.

Abstract: The invention provides a method for producing low molecular weight polytetrafluoroethylene less likely to generate C8-C14 perfluorocarboxylic acids and salts thereof. The method for producing low molecular weight polytetrafluoroethylene includes: (1) feeding into an airtight container: polytetrafluoroethylene; at least one additive selected from the group consisting of hydrocarbons, chlorinated hydrocarbons, alcohols, and carboxylic acids other than C8-C14 perfluorocarboxylic acids; and at least one selected from the group consisting of inert gases other than the above additive and oxygen adsorbents; and (2) irradiating the polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a complex viscosity of 1×102 to 7×105 Pa·s at 380° C.

Abstract: The invention provides a production method for producing low molecular weight polytetrafluoroethylene enabling easy removal of most of C8-C14 perfluorocarboxylic acids and salts thereof, which are unfortunately generated by irradiation, from the low molecular weight polytetrafluoroethylene. The method for producing low molecular weight polytetrafluoroethylene includes: (1) irradiating polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C.; (2) pulverizing the low molecular weight polytetrafluoroethylene; and (3) heating the low molecular weight polytetrafluoroethylene pulverized in the step (2).

Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole transport layer contains a compound represented by general formula (1) below, where in the formula, R1 represents a methoxy group or an ethoxy group, R2 represents a hydrogen group or a methyl group, R3 represents a hydrogen group, a methyl group, or a methoxy group, R4 represents a methoxy group, and X represents —CH2—, —CH2CH2—, —O—, or —C(CH2)5—.

Abstract: A method of manufacturing an evaporator of an air conditioner includes applying a coating agent to an outer surface of a heat transfer pipe to form a rust preventive film, wherein the coating agent includes a metal working oil and 0.1 to 1.0% by weight of a benzotriazole-based compound having a structure represented by the following formula (I) (wherein R1 to R4 each independently represent hydrogen or a methyl group, and R5 represents an aliphatic hydrocarbon group having 1 to 18 carbon atoms or (CH2)n—N—R6-R7, n being an integer of 1 to 3, R6 and R7 being each independently an aliphatic hydrocarbon group having 1 to 18 carbon atoms), inserting the heat transfer pipe having the rust preventive film formed thereon into a hole of a heat transfer fin, and expanding the heat transfer pipe inserted the heat transfer fin.