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.

This invention is directed to separation, optimization and purification of nano-materials using self-assembled perylene diimide membranes, wherein said perylene diimide membrane is recyclable.

The present invention relates to organic semiconductor compositions and organic semiconductor layers and devices comprising such organic semiconductor compositions. The invention is also concerned with methods of preparing such organic semiconductor compositions and layers and uses thereof. The invention has application particularly in the field of displays such as organic field effect transistors (OFETS), integrated circuits, organic light emitting diodes (OLEDS), photodetectors, organic photovoltaic (OPV) cells, sensors, lasers, memory elements and logic circuits.

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.

The present invention provides semiconducting compounds, oligomers and polymers of formula ##STR00001##
wherein A.sup.1 and A.sup.2 can be the same or different and are S or Se, E is selected from the group consisting of ##STR00002## The compounds, oligomers and polymers of formula of formula (1) are suitable for use in electronic devices such as organic field effect transistors.

Photo-activated polymers and co-polymers exhibit colors in the visible spectrum when photo-activated. The photo-active polymers, co-polymers and combinations thereof may be utilized in articles to impart color to the articles. For example, the photo-active polymers may be utilized in printing technology, such as in 2D printing and/or in 3D-printing methods to impart colors to articles.

Disclosed are semiconducting or conducting organic small molecules, oligomers, and polymers that are based on a donor-acceptor strategy featuring heavy group 16 elements (Se and Te) at the core of acceptor unit(s). The small molecules, oligomers, and polymers can have the following generic structure and can be used in areas such as organic electronic materials and devices: ##STR00001##

The present invention relates to electroluminescent polymers which comprise indenofluorenarylamine derivatives as recurring units, to a process for the preparation thereof, to blends and formulations comprising these polymers, and to the use of these polymers or blends in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs.

Disclosed are an active layer composition for a solar cell containing a two-dimensional conjugated polymer that has excellent thermal/chemical stability and may improve power conversion efficiency of an organic solar cell via realization of high open-circuit voltage and short-circuit current, a preparation method of the composition, and an organic solar cell containing the composition. The composition contains a two-dimensional conjugated polymer having a repeating unit represented by a following Chemical Formula 4-2 as an electron donor material: ##STR00001##
wherein the Chemical Formula 4-2, n is an integer of 5 to 2000.

A temperature integrity sensor or more precisely a temperature continuity sensor of a product which needs to be kept at a temperature below its degradation temperature, is provided. The product includes a refrigerated or frozen edible product; a pharmaceutical product such as a vaccine, or an antibiotic; or a biological-medical product such as a sample of a body fluid or tissue, or an organ. The sensor is based on RFID technology, in particular passive RFID technology.