The present invention discloses an organic compound represented by the following formula (1) and an organic electroluminescence device using the organic compound as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material. The organic compound may lower a driving voltage or power consumption, or may increase a current efficiency or half-life of the organic electroluminescence device.

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The same definition as described in the present invention.

Conformationally strained irans-cycloalkenes and derivatives thereof suitable for radiolabeling in a subject in need thereof.

Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein each Z.sup.1 and Z.sup.2 independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.

A composition for solar cell electrodes, an electrode formed of the same, and a method of forming an electrode, the composition including a conductive powder; a glass frit; at least one of a cyclosiloxane compound and a silsesquioxane compound; and an organic vehicle.

A silicon-containing electron transporting material and its application are disclosed. The silicon-containing electron transporting material employs a silicon-containing compound with a novel structure containing one or more silicon atoms and a specific group. The compound can be used as an electron transporting layer of an electroluminescent device, which can effectively improve the lifetime of the device and improve device performance. An electroluminescent device and compound formulation are also disclosed.

A near-infrared fluorescent probe has fluorescence in the near-infrared region. Like CaSiR-1, the probe has rhodamines as the fluorescent mother nucleus and accumulates in the cytoplasm. The probe makes it possible to visualize concentration fluctuations in metal ions, such as calcium ions, within the body. The fluorescent probe includes a compound represented by the following general formula or a salt of the compound:

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Methods for fabricating a membrane with an organosilica material which is a polymer comprising independent units of Formula [Z.sup.3Z.sup.4SiCH.sub.2].sub.3 (I), wherein each Z.sup.3 represents a hydroxyl group, a C.sub.1-C.sub.4 alkoxy group or an oxygen atom bonded to a silicon atom of another unit or an active site on the support and each Z.sup.4 represents a hydroxyl group, a C.sub.1-C.sub.4 alkoxy group, a C.sub.1-C.sub.4 alkyl group, an oxygen atom bonded to a silicon atom of another unit or an active site on the support are provided. Methods of removing a contaminant from a hydrocarbon stream are also provided.

The invention relates to compounds with benzindenofluorene base bodies having a structure of formula (I): ##STR00001##
and to the use thereof in electronic devices, in particular in organic electroluminescent devices.

A composition for an organic photoelectronic device, an organic photoelectronic device, and a display device, the composition comprising a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2: ##STR00001##

A silole derivative is of formula (I): ##STR00001## each of the groups in the above formula is defined as those in the description. The silole derivative of formula (I) has aggregation-induced emission performance, and is particularly applicable in luminescent parts and devices, fluorescent probes, biological imaging, lubricating oils and greases. A lubricating grease composition has photoluminescence performance, as well as one or more of advantageous anti-oxidation properties, anti-wear properties, extreme pressure properties and anti-rust properties. It is applicable in many mechanical equipment in electrical industry, metallurgical industry, food industry, paper industry, automobile industry and aircraft industry.