Abstract:
There is provided p-type organic polymers of general formula I. The polymers may be useful as semi-conducting material. Thus, thin films and devices comprising such polymers are also provided.
Abstract:
The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I), and compounds of formula (III), wherein Y, Y 15 , Y 16 and Y 17 are independently of each other a group of formula and their use as IR absorber, organic semiconductor in organic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers and compounds according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers and compounds according to the invention are used in organic field effect transistors, organic photovoltaics and photodiodes.
Abstract:
A formulation including: an organic semiconducting polymer selected from the diketopyrrolopyrrole (DPP) and fused thiophene copolymer structures of the formulas (I), (II), or combinations thereof, or salts thereof, in an amount of from 0.1 to 5 wt% based on the total weight of the formulation: forumulas (I) and (II), respectively, where m is an integer from 1 to 2, n is an integer from 4 to 80, X and Y are independently selected from a divalent heteroaryl, such as a thiophene, R 1 , R 2 , R 3 , and R 4 is each a hydrocarbylene substituent as defined herein, a first solvent is selected from a cyclic aliphatic in an amount of from 2 to 98 wt%; and a second solvent selected from an aromatic in an amount of from 98 to 2 wt%. Also disclosed are method of making and using the disclosed formulations, for example, for use in electronic devices.
Abstract:
The invention relates to formulations comprising ionic organic compounds for use in electron transport layers or electron collecting layers of organic electronic (OE) devices, more specifically in organic photovoltaic (OPV) devices, to electron transport layers comprising or being made through the use of such formulations, and to OE and OPV devices comprising such formulations or electron transport layers.
Abstract:
The present invention relates to an organic semiconductor compound for an organic electronic element such as an organic thin film transistor (OTFT) and to the use thereof. More particularly, the present invention relates to a diketopyrrolopyrrole polymer as a novel organic semiconductor compound having high pi-electron overlap by introducing an electron donor compound into a diketopyrrolopyrrole derivative, and to an organic electronic element of which the charge mobility and the on/off ratio are improved by using the diketopyrrolopyrrole polymer as an organic semiconductor layer.
Abstract:
The present invention relates to polymers (I), or (II), and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film- forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes.
Abstract:
This disclosure relates to a photovoltaic cell that includes a first electrode, a second electrode, and a photoactive layer disposed between the first and second electrodes. The photoactive layer includes a photoactive polymer containing a first monomer repeat unit, which contains a moiety of formula (1), in which A and R are defined in the specification.