Abstract: A photovoltaic element (110) is proposed for conversion of electromagnetic radiation to electrical energy. The photovoltaic element (110) may especially be a dye solar cell (112). The photovoltaic element (110) has at least one first electrode (116), at least one n-semiconductive metal oxide (120), at least one electromagnetic radiation-absorbing dye (122), at least one solid organic p-semiconductor (126) and at least one second electrode (132). The p-semiconductor (126) comprises at least one metal oxide (130).

Abstract: A photovoltaic element (110) is proposed for conversion of electromagnetic radiation to electrical energy, more particularly a dye solar cell (112). The photovoltaic element (110) has at least one first electrode (116), at least one n-semiconductive metal oxide (120), at least one electromagnetic radiation-absorbing dye (122), at least one solid organic p-semiconductor (126) and at least one second electrode (132). The p-semiconductor (126) comprises silver in oxidized form.

Abstract: A detector (110) for optically detecting at least one object (112) is proposed. The detector (110) comprises at least one optical sensor (114). The optical sensor (114) has at least one sensor region (116). The optical sensor (114) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region (116). The sensor signal, given the same total power of the illumination, is dependent on a geometry of the illumination, in particular on a beam cross section of the illumination on the sensor area (118). The detector (110) furthermore has at least one evaluation device (122). The evaluation device (122) is designed to generate at least one item of geometrical information from the sensor signal, in particular at least one item of geometrical information about the illumination and/or the object (112).

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: A photovoltaic element for conversion of electromagnetic radiation to electrical energy, having at least one first electrode, at least one n-semiconductive metal oxide, at least one dye for absorption of electromagnetic radiation, at least one organic hole conductor material, and at least one second electrode. The organic hole conductor material has an absorption spectrum which has a maximum in the ultraviolet or blue spectral region and, toward higher wavelengths, an absorption edge declining with wavelength and having a characteristic wavelength ?HTL. A decadic absorbance of the hole conductor material at a wavelength ?HTL within the declining absorption edge is 0.3. The photovoltaic element includes a longpass filter, which has a transmission edge rising with wavelength and having a characteristic wavelength ?LP. A transmission of the longpass filter at ?LP is 50% of a maximum transmission of the longpass filter, where ?HTL?30 nm??LP??HTL+30 nm.

Abstract: A detector (110) for optically detecting at least one object (112) is proposed. The detector (110) comprises at least one optical sensor (114). The optical sensor (114) has at least one sensor region (116). The optical sensor (114) is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region (116). The sensor signal, given the same total power of the illumination, is dependent on a geometry of the illumination, in particular on a beam cross section of the illumination on the sensor area (118). The detector (110) furthermore has at least one evaluation device (122). The evaluation device (122) is designed to generate at least one item of geometrical information from the sensor signal, in particular at least one item of geometrical information about the illumination and/or the object (112).

Abstract: A photovoltaic element (110) is proposed for conversion of electromagnetic radiation to electrical energy, more particularly a dye solar cell (112). The photovoltaic element (110) has at least one first electrode (116), at least one n-semiconductive metal oxide (120), at least one electromagnetic radiation-absorbing dye (122), at least one solid organic p-semiconductor (126) and at least one second electrode (132). The p-semiconductor (126) comprises silver in oxidized form.

Abstract: A process for marking articles, wherein the article to be marked is contacted with at least one marker and the absorption spectrum of the at least one marker in contact with the article has at least one narrow band with a half-height width of <1500 cm?1 which is in the UV and/or visible and/or IR wavelength region of the electromagnetic spectrum. The markers are selected from organic dyes, inorganic chromophores and pigments. The article to be marked comprises paper, metal, glass, ceramic or plastic.

Abstract: The present invention relates to compounds of the formulae Ia and Ib in which the variables R, n, A, B, R1 and R2 are each as defined in the description. The present invention further relates to the use of compounds of the formula Ia or Ib or mixtures of compounds of the formulae Ia and Ib and/or isomers or mixtures of the isomers of the compounds of the formulae Ia and Ib as photosensitizers in solar cells and photodetectors, and to solar cells and photodetectors which comprise such compounds of the formula Ia or Ib or mixtures of compounds of the formulae Ia and Ib and/or isomers or mixtures of the isomers of the compounds of the formulae Ia and Ib as photosensitizers.

Abstract: A photovoltaic element (110) is proposed for conversion of electromagnetic radiation to electrical energy. The photovoltaic element (110) may especially be a dye solar cell (112). The photovoltaic element (110) has at least one first electrode (116), at least one n-semiconductive metal oxide (120), at least one electromagnetic radiation-absorbing dye (122), at least one solid organic p-semiconductor (126) and at least one second electrode (132). The p-semiconductor (126) comprises at least one metal oxide (130).

Abstract: The present invention pertains to a process for producing a photoelectric conversion device comprising a dye-sensitized metal oxide semiconductor which is treated with an essentially transparent hydroxamic acid or an essentially transparent salt thereof. The invention also relates to a photoelectric conversion device obtainable by the process of the invention and to a photoelectric cell, especially a solar cell, comprising the photoelectric conversion device. Moreover, the invention relates to the use of an essentially transparent hydroxamic acid or an essentially transparent salt thereof for enhancing the energy conversion efficiency ? of dye-sensitized photoelectric conversion devices.

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: The use of cyclic compounds of the formula (I) where n is a number in the range from 1 to 7, X—Y—Z, in each case independently of one another, is O—C?N, N?C—O, NR5—C?N, N?C—NR5, N+R52—C?N, N?C—N+R52, O—C?N+R5, N+R5?C—O, S—C?N+R5, N+R5?C—S, S—C?N, N?C—S, R1, R2 and R3 each independently are, for example, H or a substituent or corresponding heterocyclic compounds in which at least one group —CR1?, —CR2?, CR3? is replaced by —N, R5 in each case independently are, for example, H or a substituent R7 in each case independently of one another, are H, C1-12-alkyl or C6-12-aryl, or metal complexes of the cyclic compounds or complexes of the cyclic compounds with mineral acids, chloride, sulfate, bisulfate, phosphate, hydrogen phosphate, nitrate, BF4? or methanesulfonate being present as opposite ions X? in the case of cationic cyclic structures, as light absorbers, materials for hole injection layers in OLEDs, light-emitting compounds in OLED, phase-transfer catalysts or synergistic agents for the dispersing

Abstract: Novel mono-azide substituted rylene-imide derivatives, their use in methods for the detection of analytes and reagents kits for the detection of analytes comprising said novel mono-azide substituted rylene-imide derivatives.

Abstract: Phthalocyanines of the formula (I) where the symbols and indices each have the definitions specified in the description are suitable as markers for liquids, especially mineral oils.

Abstract: A method is proposed for detecting at least one chemical compound V contained in a medium (312). The method comprises a verification step (420) which is used to determine whether V is contained in the medium (312). The method furthermore comprises an analysis step (424) in which a concentration c of the at least one chemical compound V is determined.