Abstract:
A process to produce a polyolefin reactive telechelic pre-polymer comprising reacting alkyl-c/5-cyclooctene and optionally czs-cyclooctene, in the presence of a multifunctional chain transfer agent possessing two or more amino groups wherein the two or more amino groups are protected by one or more protecting groups under ring opening metathesis polymerization conditions to form a dicarbamate telechelic unsaturated polyolefm pre-polymer is provided.
Abstract:
The present invention provides a conductive material comprising: (A) a π-conjugated polymer, and (B) a dopant polymer which contains one or more repeating units selected from “a1” to “a4” respectively represented by the following general formula (1) and has a weight-average molecular weight in the range of 1,000 to 500,000, (C) a nanoparticle which is selected from a gold nanoparticle, a silver nanoparticle, and a platinum nanoparticle and has a particle diameter of 1 to 200 nm. There can be provided a conductive material that has excellent film-formability and also can form a conductive film having high transparency and conductivity, superior flexibility and flatness when the film is formed from the material.
Abstract:
The present invention relates to polymers comprising a repeating unit of the formula I, or III and their use as organic semiconductor in organic devices, especially an organic field effect transistor (OFET), or 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.
Abstract:
An OLED comprising a hole-transporting layer and light-emitting layer wherein the hole-transporting layer comprises a hole-transporting polymer wherein no more than 5% of the polystyrene equivalent polymer weight measured by gel permeation chromatography consists of chains with weight of less than 50,000.
Abstract:
Composition which may be useful in an organic light emitting diode, the composition having a fluorescent light-emitting polymer with light-emitting repeat units, and a triplet-accepting unit mixed with the light-emitting polymer.
Abstract:
The invention relates to the field of polymers and olefin polymerization, and more specifically olefin metathesis polymerization. The invention provides regioregular alternating polymers and methods of synthesizing such polymers. To demonstrate, polymers were synthesized and modified with a FRET pair (Trp/Dansyl) post-polymerization.
Abstract:
Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formulae (I), (II), or (III):
Abstract:
A thermoelectric conversion element (1) having, on a substrate (12), a first electrode (13), a thermoelectric conversion layer (14), and a second electrode 15, wherein a nano conductive material and a low band gap material are contained in the thermoelectric conversion layer (14); an article for thermoelectric power generation and a power supply for a sensor using the thermoelectric conversion element (1); and a thermoelectric conversion material containing the nano conductive material and the low band gap material.
Abstract:
An embodiment of the present invention relates to a polymer or oligomer (A) containing a structural unit with hole transport properties, and also containing at least one type of organic group selected from the group consisting of groups having an ester linkage, groups having a carbonyl linkage, groups having an amide linkage, and groups having an imide linkage.
Abstract:
Compounds of the formula D-S1-A-S2—B1 wherein A comprises a 2,7-disubstituted 9,9-fluoroalkyl fluorene diradical of the formula wherein S1, S2, D and B1 have meanings given in the description that are useful as charge transport and emissive materials for the fabrication of electronic devices such as diodes, transistors, and photovoltaic devices.