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:
Die vorliegende Erfindung betrifft die Verwendung von Dibenzotetraphenylperiflanthen der Formel (I) als Elektronendonormaterial in einer organischen Solarzelle mit photoaktiven Donor-Akzeptor-übergängen in Form einer Bulk-Heterojunction.
Abstract:
Die vorliegende Erfindung betrifft die Verwendung von Mischungen, welche enthalten als Komponenten K1) ein oder mehrere Merocyanine ausgewählt aus der Gruppe der Verbindungen der allgemeinen Formeln (I), (IIa), (IIb), (lIla), (IIIb), (IIIc), (IIId) und (IIIe) wie in der Beschreibung genauer definiert, als Elektronendonor bzw. Elektronenakzeptor, und als Komponente K2) ein oder mehrere Verbindungen, welche gegenüber Komponente K1) entsprechend als Elektronenakzeptor bzw. Elektronendonor wirken, zur Herstellung von photoaktiven Schichten für organische Solarzellen und organische Photodetektoren, ein Verfahren zur Herstellung von photoaktiven Schichten, entsprechende organische Solarzellen und organische Photodetektoren, sowie Mischungen, welche als Komponenten ein oder mehrere Verbindungen der allgemeinen Formeln (I), (IIa), (IIb), (lIla), (IIIb), (IIIc), (IIId) und (IIIe) und/oder (IIIe) der Komponente K1, wie in der Beschreibung genauer definiert, und ein oder mehrere Verbindungen der Komponente K2 enthalten.
Abstract:
A soft-magnetic powder coated with a silicon-based coating, wherein the silicon-based coating comprises at least one fluorine containing composition of formula (I), Si 1 -0,75c MCO 2-0,5c F d (I), wherein c is in the range of 0.01 to 0.5, d is in the range of 0.04 to 2, and M is B or Al.
Abstract:
The invention relates to a soft-magnetic powder coated with a silicon based coating, wherein the silicon based coating comprises at least one of the following fluorine containing compositions: a) a fluorine containing composition of formula (I) Si 1-0,25a M1 a O 2-0,5b F b (I) wherein a is in the range of 0.015 to 0.52, b is in the range of 0.015 to 0.52, M1 is H, K, Rb, Cs or NR 1 4 , wherein each R 1 is independently selected from the group consisting of H, C 1-6 alkyl, phenyl and benzyl; or b) a fluorine containing composition of formula (II) Si 1-0,75c M2 c O 2-0,5d F d (II) wherein c is in the range of 0.005 to 0.17, d is in the range of 0.015 to 0.52, M2 is B or Al; or c) a fluorine containing composition of formula (III) Si 1-1,25e P e O 2-0,5f F f (III) wherein e is in the range of 0.003 to 0.10, f is in the range of 0.015 to 0.52. The invention further relates to a process of coating the soft-magnetic powder, the use of such soft-magnetic powder and an electronic component including such soft-magnetic powder.
Abstract:
The invention relates to a soft-magnetic powder comprising a core of a soft-magnetic material and a coating, the coating comprising an insulation treatment compound and an inhibitor, the inhibitor being: (a) a carboxylic acid with the general formula (I) wherein R 1 is a single bond or C 1 -C 6 -alkylene, R 2 to R 6 are each independently H, OH, –X-COOH, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 7 -cycloalkyl, C 6 -C 12 -aryl, COOR 7 , OR 8 ,1or two adjacent groups R 2 to R 6 together form a ring, X is a single bond or C 1 -C 6 -alkylene; R 7 , R 8 are C 1 -C 20 -alkyl; or a salt of the carboxylic acid, and/or 20(b)a compound of the general formula (II) (R 9 -O-)(R 10 -O-)(R 11 -O-)PO (II) wherein R 9 to R 11 independently of each other indicate C 1 -C 20 -alkyl, C 2 -C 20 -alkenyl, C 2 -C 6 -alkynyl, C 3 -C 7 -cycloalkyl, C 6 -C 12 -aryl, unsubstituted or substituted with one or more groups selected from OH and NH 2 ,or R 9 to R 11 are each independently a polydiol moiety having a molecular weight MW of 500 30 to 30000g/mol which is optionally capped at the end by -C-C20-alkyl and/or at the connection to O atom bonding to P by C 1 -C 20 -alkylene,or R 10 , R 11 are each independently H. The invention further relates to a process for producing the soft-magnetic powder and an electronic component comprising the soft-magnetic powder.
Abstract:
The invention relates to a composition for producing magnetic cores comprising 90 to 95% by weight of a soft magnetic powder and 5 to 10% by weight of a polymer matrix material, each based on the mass of the composition, wherein the polymer matrix material comprises 50 to 0% by weight of a thermoplastic polyurethane based on the mass of the polymer. The invention further relates to a process for producing the composition and a magnetic core made of the composition.
Abstract:
The invention concerns a process for coating soft-magnetic powder, which comprises the step of treating the soft-magnetic powder with a solution containing: A) at least one inhibitor, which is a 5- to 12-membred heterocyclic compound con¬ taining at least one substituted or unsubstituted ring-nitrogen atom and at least one ring-carbon atom, wherein one ring atom is substituted with C 2 - C 28 alkyl, C 2 - C 28 alkenyl or C 2 - C 28 alkynyl; and optionally B) at least one inhibitor, which is a compound with general formula (I), wherein R 1 indicates C 2 - C 28 alkyl, C 2 - C 28 alkenyl or C 2 - C 28 alkynyl; R 2 and R 3 independently of each other indicate H, C 1 - C 6 alkyl, C 2 - C 6 alkenyl, C 1 - C 6 alkynyl, C 3 - C 7 cycloalkyl or C 6 - C 12 aryl. The invention further relates to a soft-magnetic powder containing inhibitors of class A) and class B), use of such powder as well as an electronic component comprising such powder.
Abstract:
Disclosed is an organic solar cell with a photoactive region which comprises at least one organic donor material in contact with at least one organic acceptor material, wherein the donor material and the acceptor material form a donor-acceptor heterojunction and wherein the photoactive region comprises at least one substituted perylene.
Abstract:
Disclosed is an organic solar cell which comprises at least one photoactive region which comprises at least one indanthrene compound which is in contact with at least one fullerene compound, and the use of indanthrene compounds in organic photovoltaics, especially in the form of a component cell of a tandem cell.