Abstract:
The present invention relates to a new amorphous material with advantageous properties as charge transport material and/or absorber material for various applications, in particular in photoelectric conversion devices, i.e. an amorphous material of the composition (R 1 NR 2 3 ) 5 Me X 1 a X 2 b wherein R 1 is C 1 -C 4 -alkyl, R 2 are independently of one another hydrogen or C 1 -C 4 -alkyl, Me is a divalent metal, X 1 and X 2 have different meanings and are independently of one another selected from F, CI, Br, I or a pseudohalide, a and b are independently of one another 0 to 7, wherein the sum of a and b is 7.
Abstract:
The present invention relates to an electrode layer comprising a porous film made of oxide semiconductor fine particles sensitized with a quinolinium dye having a fluorinated counteranion. Moreover the present invention relates to a photoelectric conversion device comprising said electrode layer, a dye sensitized solar cell comprising said photoelectric conversion device and to novel quinolinium dyes having a fluorinated counteranion.
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:
The present invention relates to organic solar cell comprising at least one photoactive region comprising an organic donor material in contact with an organic acceptor material and forming a donor-acceptor heterojunction, wherein the photoactive region comprises at least one compound of the formulae Ia and/or Ib where M, (R a ) m and (R b ) n as described in the claims and description. Furthermore, the present invention relates to compounds of formulae Ia and Ib, wherein M, (R a ) m and n are as described in the claims and description and R b is fluorine and to a process for preparing them.
Abstract:
The present invention relates to crystalline forms of [3-(4,5-dihydro-3-isoxazolyl)- 2-methyl-4-(methylsulfonyl)phenyl]-(5-hydroxy-1 -methyl-1H-pyrazol-4-yl)methanone, which is also known by the common name topramezone. The invention also relates to a method for the production of these crystalline forms, and to formulations which contain one of these crystalline forms of topramezone for protecting plants.
Abstract:
The present invention relates to the use of mixtures containing, as component K1), one or more merocyanines selected from the group of compounds of the general formulas (I), (IIa), (IIb), (IIIa), (IIIb), (IIIc), (IIId) and (IIIe), as defined more precisely in the description, as electron donors or electron acceptors, and as component K2) one or more compounds which in contrast to component K1) act as electron acceptors or electron donors, respectively, for the purposes of producing photoactive layers for organic solar cells and organic photodetectors, to a method for producing photoactive layers, corresponding organic solar cells and organic photodetectors, and to mixtures that contain, as components, one or more compounds of the general formulas (I), (IIa), (IIb), (IIIa), (IIIb), (IIIc), (IIId) and (IIIe) and/or (IIIe) of component K1, as defined more precisely in the description, and one or more compounds of component K2.
Abstract:
The present invention relates to the use of dibenzotetraphenylperiflanthene of formula (I) as an electron donor material in an organic solar cell comprising photoactive donor-acceptor transitions in the form of a bulk heterojunction.
Abstract:
The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl-(1-methylethyl)amino]sulphonyl]benzamide. The invention also relates to a method for preparing this crystalline form and to formulations for crop protection which comprise this crystalline form of the phenyluracil.
Abstract:
A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic semiconducting compound to the area of the substrate where the gate structure, the source electrode and the drain electrode are located, wherein the n-type organic semiconducting compound is selected from the group consisting of compounds of the formula (I) wherein R1, R2, R3 and R4 are independently hydrogen, chlorine or bromine, with the proviso that at least one of these radicals is not hydrogen, Y1 is O or NRa, wherein Ra is hydrogen or an organyl residue, Y2 is O or NRb, wherein Rb is hydrogen or an organyl residue, Z1, Z2, Z3 and Z4 are O, where, in the case that Y1 is NRa, one of the residues Z1 and Z2 may be a NRc group, where Ra and Rc together are a bridging group having 2 to 5 atoms between the terminal bonds, where, in the case that Y2 is NRb, one of the residues Z3 and Z4 may be a NRd group, where Rb and Rd together are a bridging group having 2 to 5 atoms between the terminal bonds.