The present invention relates to compositions comprising at least one polymer which contains triarylamine repeating units, and at least one metal complex, to methods for the production thereof, and the use thereof in electronic devices, especially in organic electroluminescent devices, so-called OLEDs (OLED=Organic Light Emitting Diode). The present invention also relates to organic electroluminescent devices which contain said compositions

The present invention relates to compositions comprising at least one polymer containing repeat triarylamine units and comprising at least one salt, to processes for production thereof and to the use thereof in electronic devices, especially in organic electroluminescent devices, called OLEDs (OLED=organic light-emitting diodes). The present invention also further relates to organic electroluminescent devices comprising these compositions.

The present invention generally relates to artificial photosystems and methods of their use, for example in artificial photosynthesis, wherein the artificial photosystems comprise one or more light-harvesting antenna (LHA) comprising a conjugated polyelectrolyte (CPE) complex (CPEC) comprising a donor CPE and an acceptor CPE, wherein the donor CPE and acceptor CPE are an electronic energy transfer (EET) donor/acceptor pair.

A polymer compound having a constitutional unit represented by the following formula (1): ##STR00001##

An aromatic amine derivative represented by the following formula (1): wherein Z.sub.1 is a group represented by the following formula (2); Z.sub.2 is a group represented by the following formula (3) or (3′); and P and Q are independently a group represented by the following formula (4) or (5): ##STR00001##

The present invention relates to nanoparticles of π-conjugated polymers. The present invention also relates to an aqueous composition comprising these polymeric nanoparticles, to processes for making the nanoparticles, and to the use of these nanoparticles in the fabrication of electronic devices and components.

A composition for forming an underlayer film necessary for facilitating alignment of self-assembled film into desired vertical pattern. Composition for forming an underlayer film of self-assembled film including a polymer having unit structure containing aliphatic polycyclic structure of aliphatic polycyclic compound in main chain. The polymer is a polymer having unit structure containing aliphatic polycyclic structure of aliphatic polycyclic compound with aromatic ring structure of aromatic ring-containing compound or polymer chain derived from vinyl group of vinyl group-containing compound in main chain. The polymer has unit structure of Formula (1):
X—Y  Formula (1)
wherein X is single bond, divalent group having vinyl structure as polymer chain, or divalent group having aromatic ring-containing structure as polymer chain, and Y is divalent group having aliphatic polycyclic structure as polymer chain. The aliphatic polycyclic compound is bi- to hexa-cyclic diene compound. The aliphatic polycyclic compound is dicyclopentadiene or norbornadiene.

A composition for forming an organic film contains a polymer having a partial structure shown by the following general formula (1A) or (1B), and an organic solvent, where Ar.sub.1 and Ar2 represent a benzene ring or naphthalene ring which optionally have a substituent; X represents a single bond or methylene group; a broken line represents a bonding arm; R represents a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms; and W.sub.1 represents a hydroxyl group, an alkyloxy group having 1 to 10 carbon atoms, or an organic group having at least one aromatic ring optionally having a substituent. A composition for forming an organic film, the composition containing a polymer with high carbon content and thermosetting property as to enable high etching resistance and excellent twisting resistance; a patterning process using the composition; and a polymer suitable for the composition for forming an organic film. ##STR00001##

Embodiments of the invention relate to a composite film and a fabrication method thereof, a photoelectric element and a photoelectric apparatus. The fabrication method of the composite film includes: preparing a polyfluorene-based compound solution, wherein the polyfluorene-based compound solution includes polyfluorene or polyfluorene derivatives; preparing a quantum dot solution; mixing the polyfluorene-based compound solution and the quantum dot solution together to prepare a mixed solution; removing a solvent in the mixed solution to prepare the composite film.

Water soluble light harvesting multichromophores that have an ultraviolet absorption maximum are provided. In some embodiments, the multichromophores include a conjugated segment including a fused 6-5-6 tricyclic co-monomer and a UV absorbance-modifying co-monomer. The multichromophores may include an acceptor chromophore covalently linked to the multichromophore in energy-receiving proximity therewith. In some embodiments, a specific binding member is covalently linked to the multichromophore. Also provided are methods of evaluating a sample for the presence of a target analyte and methods of labelling a target molecule using compositions including the light harvesting multichromophores. Kits and systems for practicing the subject methods are also provided.