Abstract:
A graphene based screen-printable ink, an electrode comprising such inks and a supercapacitor comprising such electrode are disclosed. The screen-printable ink comprises (a) nano grapheme platelets, (b) a polymer comprising aniline monomeric units, and (c) at least one solvent.
Abstract:
A field effect element comprising: a source electrode and a drain-electrode, a semiconducting layer comprising a semiconducting compound being in contact with the source electrode and the drain electrode, - a gate electrode, and a dielectric layer comprising one or more compounds selected from hygroscopic organic compounds and/or from nanoparticulate inorganic compounds being arranged between the semiconducting layer and the gate electrode, wherein said hygroscopic organic compounds have a water absorption capability of more than 1.2 % by weight, and a hydrophobic insulating layer being arranged between the gate electrode and the dielectric layer preventing diffusion of water into the one or more hygroscopic compounds of the dielectric layer during the time of use of the field effect element, said hydrophobic insulating layer having a water absorption capability of less than 1.2 % by weight, the semiconducting layer, the dielectric layer or the hydrophobic insulating layer, or a combination thereof, being disposable from a liquid; and a process for producting the same.
Abstract:
Process for preparing tris-ortho-metallated iridium complexes of the formula (I) where R1, R2, R3, R4, R5, R6 and X have the meanings given in the description, Ir complexes which can be prepared by the process of the invention, the use of the Ir complexes as emitter molecule in organic light-emitting diodes (OLEDs), a light-emitting layer comprising the Ir complexes, an OLED comprising this light-emitting layer and an apparatus comprising an OLED according to the present invention.
Abstract:
The present invention relates to an electromagnetic millimetre wave absorber material, preferably having a volume resistivity of more than 1 Ocm, containing solid particles having an aspect ratio (length:diameter) of at least 5 of a first electrically conductive material, particles having an aspect ratio (length:diameter) of less than 5 of a second electrically conductive material and an electrically non-conductive polymer, wherein the absorber material is capable of absorbing electromagnetic waves in a frequency region of 60 GHz or more. The invention also relates to its use and method for absorbing as well as a sensor apparatus comprising said absorber material.
Abstract:
A resin composition, comprising (a) at least one epoxy resin, and (b) at least one siloxane-type curing agent of formula C22 or C31 (C22) (C31) wherein the resin composition does essentially not contain any fluoride or bromide.
Abstract:
Una composición líquida que comprende A) un ingrediente activo absorbente de rayos UV orgánico que es poco soluble en agua y poco soluble en aceite, en forma disuelta seleccionada de - compuestos de hidroxifeniltriazina; - compuestos de triazina sustituidos con polifenilo; y - 2,4,6-trianilino-p-(carbo-2'-etilhexil-1'-oxi)-1,3,5-triazina; B) un aceite que es soluble en agua a 20 °C hasta un máximo de 20 g/l seleccionado de un hidrocarburo aromático, un alcanoato de alquilo, una amida de ácido graso o un éster de dialquilo de un ácido alquildioico, y C) un líquido iónico que comprende un catión y un anión, donde el catión se selecciona de un amonio de fórmula (I) N+R1R2R3R4 (I) y R1, R2, R3 y R4, independientemente uno de otro, son C1-C20alquilo y/o C1-C20hidroxialquilo; un imidazolio de la fórmula (II).**Fórmula** y R5 es hidrógeno o C1-C20alquilo, R6 es C1-C20alquilo, y R7 es hidrógeno o C1-C20alquilo, un derivado de piridinio N-sustituido; un derivado de pirazolio N,N'-disustituido; y un derivado de guanidinio; y en el que el anión se selecciona de un carboxilato, sulfonato, sulfato, fosfonato, fosfato, halógeno, bis(trifluorosulfonil)imida, tetracloruro de aluminio, fluoruro de fósforo y dicianimida.
Abstract:
Process for preparing tris-ortho-metallated iridium complexes of the formula (I) where R1, R2, R3, R4, R5, R6 and X have the meanings given in the description, Ir complexes which can be prepared by the process of the invention, the use of the Ir complexes as emitter molecule in organic light-emitting diodes (OLEDs), a light-emitting layer comprising the Ir complexes, an OLED comprising this light-emitting layer and an apparatus comprising an OLED according to the present invention.