Abstract:
The present invention concerns ortho-Terphenyls of general formula (I); wherein R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of H; CN; NO 2 ; and saturated, unsaturated or aromatic C 1 -C 40 hydrocarbon residues, which can be substituted 1 - to 5- fold with F, CI, OH, NH 2 , CN and/or NO 2 , and wherein one or more -CH 2 -groups can be replaced by -O-, -NH-, -S-, -C(=O)O-, -OC(=O)- and/or -C(=O)-; and X and Y are the same or different, and selected from the group consisting of F, CI, Br, I, and OTf (trifluoromethanesulfonate); and their use for the preparation of graphene nanoribbons as well as a process for the preparation of graphene nanoribbons from said ortho-Terphenyls.
Abstract:
The present invention relates to the use of an electrochemical capacitor, which comprises electrochemically exfoliated graphene, for AC line filtering.
Abstract:
The present invention relates to porous films comprising (A) from 51 wt.-% to 99.9 wt.-% based on the total weight of the film of at least one porous metal-organic framework material, the material comprising at least one at least bidentate organic compound coordinated to at least one metal ion; (B) from 0.1 wt.-% to 49 wt.-% based on the total weight of the film of at least one fibrillated fluoropolymer; and (C) 0 wt.-% to 48.9 wt.-% based on the total weight of the film of an additive component. The invention further relates to a composition for preparing such a film and its use.
Abstract:
Core-shell particles comprising low bulk density carbon, especially graphene, in the shell are disclosed, also disclosed is a method for producing such core-shell particles, a method for preparing a polymer containing low bulk density carbon, especially graphene, a polymer obtainable by this method and the use of this polymer as or for producing a gas barrier material, an electrically conductive material, a thermally conductive material or a mechanically reinforced material.
Abstract:
The present invention relates to nitrogen-doped graphene, a method for its preparation and its use for producing a catalyst, an electrode, a battery, a supercapacitor, preferably an all solid state supercapacitor, or an aerogel. The invention further relates to catalysts, electrodes, all solid state supercapacitors (ASSS) and aerogels comprising nitrogen-doped graphene.
Abstract:
The present invention relates to a process for carrying out a chemical reaction in a chemical reactor, in which at least one starting material, which is an organic chemical compound comprising 1 to 80 carbon atoms, is converted into at least one reaction product in a fluid phase in the presence of a film comprising solid catalyst particles, which catalyze said chemical reaction, and comprising an organic polymer in fibrillated form, wherein the mass fraction of the sum of the starting material and of the reaction product based on the total mass of the fluid phase is in the range from 0.01 to 1.
Abstract:
Verfahren zur Weiterverwertung eines wasserhaltigen Kohlenstoffrohmaterials umfassend die Behandlung des Kohlenstoffrohmaterials mit Kohlenstoffdioxid oder Wasserdampf oder deren Mischung bei erhöhter Temperatur und das Versetzen des so erhaltenen Kohlenstoffmaterials mit einer Säure.
Abstract:
The present invention relates to a process for the preparation of nanoporous carbon foams, comprising at least the following steps(a) preparation of a nanoporous nitrogen comprising resin foam,(b) heating the foam of step (a) to a first temperature of 200 to 650 °C using a heating rate of 1 to 10 °C/min, and holding this first temperature for 1 to 6 hours,(c) further heating the foam of step (b) to a second temperature of 650 to 1400 °C using a heating rate of 1 to 10°C/min, and holding this second temperature for 1 to 4 hours to obtain the nanoporous carbon foam, to a nanoporous carbon foam, obtainable with this process, and to the use of this nanoporous carbon foam in applications of energy storage, adsorption, water desalination, IR absorber additive or catalysis.
Abstract:
The present invention relates to a process for preparing graphene, comprising (i) providing in a chemical deposition chamber a substrate which has a surface S1, (ii) subjecting the substrate to a thermal pre-treatment while feeding at least one gaseous or supercritical oxidant into the chemical deposition chamber so as to bring the surface S1 into contact with the at least one gaseous or supercritical oxidant and obtain a pre-treated surface S2, (iii) preparing graphene on the pre-treated surface S2 by chemical deposition.
Abstract:
An electrically conductive inter layer is provided between hole transport layer and counter electrode in a solid dye-sensitized solar cell or a Perovskite solar cell and a process is provided for the production of said inter layer. This process can beneficially be integrated in a process for the production of printed solid dye-sensitized solar cells or Perovskite solar cells under ambient conditions.