Abstract: The embodiments provide a fluorescent rare earth complex having strong emission intensity and excellent durability, and also provide a security medium using the complex. The rare earth complex according to the embodiment comprises a rare earth ion, a diphosphine dioxide ligand and a ?-diketone ligand wherein two phosphorus atoms contained in the diphosphine dioxide ligand individually have substituents different from each other.

Abstract: The embodiments provide a fluorescent rare earth complex having strong emission intensity and excellent durability, and also provide a security medium using the complex. The rare earth complex according to the embodiment comprises a rare earth ion, a diphosphine dioxide ligand and a ?-diketone ligand wherein two phosphorus atoms contained in the diphosphine dioxide ligand individually have substituents different from each other.

Abstract: Certain embodiments provide a marker for detecting a detection target substance, including an assay reagent having a medium, and a composition containing a solvent or a solvent mixture, and a fluorescent coagulation factor that has a fluorescence property that changes as it coagulates in presence of the detection target substance. A difference of a hydrophobicity parameter LogP between the solvent and a part or the entirety of the detection target substance is equal to or smaller than 1.53.

Abstract: The present embodiment provides a composition containing a rare earth complex and a fluorine-based solvent, which can also be used in a fluorescent flaw inspection method. A rare earth complex-containing composition according to the present embodiment is a rare earth complex-containing composition that contains a rare earth complex containing: a rare earth ion; two or more phosphine oxide ligands having different structures; and a ?-diketone ligand, the rare earth complex being dissolved in a fluorine-based solvent. The present embodiment also relates to a fluorescent flaw inspection method using the same.

Abstract: The present embodiments provide a light wavelength conversion medium excellent in emission intensity and durability, and also a light wavelength conversion medium-forming composition used for forming that medium. The conversion medium according to the embodiment comprises a rare earth complex comprising a rare earth ion and a nonionic ligand, a nonionic compound substitutable for the nonionic ligand, and a polymer or a solvent.

Abstract: The embodiments provide a fluorescent rare earth complex having strong emission intensity and excellent durability, and also provide a security medium using the complex. The rare earth complex according to the embodiment comprises a rare earth ion, a diphosphine dioxide ligand and a ?-diketone ligand wherein two phosphorus atoms contained in the diphosphine dioxide ligand individually have substituents different from each other.

Abstract: Disclosed herein is a fluorescent compound represented by the following general formula and having fluorescence characteristics that vary in the presence of a subject substance, wherein R1 and R2 each independently represent a carboxyl group, or a substituent containing a carboxyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, a carboxyl group, or a substituent containing a carboxyl group.

Abstract: According to one embodiment, a nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode includes a titanium and niobium-containing composite oxide. The nonaqueous electrolyte includes at least one compound selected from compounds represented by the formulas (1) and (2).

Abstract: Certain embodiments provide a marker for detecting a detection target substance, including an assay reagent having a medium, and a composition containing a solvent or a solvent mixture, and a fluorescent coagulation factor that has a fluorescence property that changes as it coagulates in presence of the detection target substance. A difference of a hydrophobicity parameter LogP between the solvent and a part or the entirety of the detection target substance is equal to or smaller than 1.53.

Abstract: Disclosed herein is a fluorescent compound represented by the following general formula and having fluorescence characteristics that vary in the presence of a subject substance, wherein R1 and R2 each independently represent a carboxyl group, or a substituent containing a carboxyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, a carboxyl group, or a substituent containing a carboxyl group.

Abstract: Disclosed herein is a fluorescent compound represented by the following general formula and having fluorescence characteristics that vary in the presence of a subject substance, wherein R1 and R2 each independently represent a carboxyl group, or a substituent containing a carboxyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, a carboxyl group, or a substituent containing a carboxyl group.

Abstract: Disclosed herein is a fluorescent compound represented by the following general formula and having fluorescence characteristics that vary in the presence of a subject substance, wherein R1 and R2 each independently represent a carboxyl group, or a substituent containing a carboxyl group, and R3 and R4 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a hydroxyl group, a carboxyl group, or a substituent containing a carboxyl group.

Abstract: Certain embodiments provide a marker for detecting a detection target substance, including an assay reagent having a medium, and a composition containing a solvent or a solvent mixture, and a fluorescent coagulation factor that has a fluorescence property that changes as it coagulates in presence of the detection target substance. A difference of a hydrophobicity parameter LogP between the solvent and a part or the entirety of the detection target substance is equal to or smaller than 1.53.

Abstract: According to one embodiment, a nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode includes a titanium and niobium-containing composite oxide. The nonaqueous electrolyte includes at least one compound selected from compounds represented by the formulas (1) and (2).

Abstract: An amorphous luminous material, which is substantially composed of only rare earth complex compounds, wherein the compounds are two or more kinds of rare earth complexes, and rare earth metal ions, which are center ions of the two or more kinds of rare earth complexes, are different ions.

Abstract: According to one embodiment, a polymer material includes two or more different repeating units each containing a quinoxaline backbone. At least one of the repeating units includes a halogen atom.

Abstract: Embodiments of the present invention provide an organic semiconductor excellent in the photoelectric conversion efficiency and also a solar cell using the same. This organic semiconductor has a polymer structure comprising a repeating unit represented by the following formula (I): -[A-D]- (I). In the formula, A is a structure represented by and D is a structure having a benzodithiophene skeleton or the like. In the above, R1 is independently H, a substituted or unsubstituted straight-chain or branched-chain alkyl group, or a substituted or unsubstituted straight-chain or branched-chain alkoxy group. The solar cell according to an embodiment of the present invention comprises an active layer containing the organic semiconductor.

Abstract: A solar cell module according to an embodiment includes a solar cell device and a support structure supporting the solar cell device. The solar cell device is a belt-like solar cell device including first portions arranged in one direction such that major surfaces thereof face each other, and a second portion interposed between the first portions. The edges of the first portions that correspond to a pair of long sides of the solar cell device are parallel to each other. Two adjacent first portions incline forwardly and backwardly with respect to the one direction. The second portion includes one or more planar or curved surfaces to connect the two adjacent first portions to each other.

Abstract: Embodiments of the present invention provide an organic semiconductor excellent in the photoelectric conversion efficiency and also a solar cell using the same. This organic semiconductor has a polymer structure comprising a repeating unit represented by the following formula (I): -[A-D]- (I). In the formula, A is a structure represented by and D is a structure having a benzodithiophene skeleton or the like. In the above, R1 is independently H, a substituted or unsubstituted straight-chain or branched-chain alkyl group, or a substituted or unsubstituted straight-chain or branched-chain alkoxy group. The solar cell according to an embodiment of the present invention comprises an active layer containing the organic semiconductor.

Abstract: According to one embodiment, a polymer material includes two or more different repeating units each containing a quinoxaline backbone. At least one of the repeating units includes a halogen atom.