Abstract: Some embodiments provide a compound represented by Formula 1: wherein R1, R2, R3, R6, R7, and R8 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; provided that: at least one of R1, R2, and R3 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl and at least one of R6, R7, and R8 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; and R4 and R5 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl.

Abstract: Some embodiments provide a compound represented by Formula 1: wherein R1, R2, R3, R6, R7, and R8 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; provided that: at least one of R1, R2, and R3 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl and at least one of R6, R7, and R8 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; and R4 and R5 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl.

Abstract: Some embodiments provide a compound represented by Formula 1: wherein R1, R2, R3, R6, R7, and R8 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; provided that: at least one of R1, R2, and R3 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl and at least one of R6, R7, and R8 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; and R4 and R5 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl.

Abstract: Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are useful for synthesizing nanoparticles of metals, semiconductors, ceramics or any other material class where the precursors are either in liquid form or can be dissolved or suspended in a suitable liquid. Methods of feeding nebulized droplets and central gas into a radio frequency plasma torch and apparatus for generating nanoparticles are also described.

Abstract: Embodiments of the present invention relate to semiconducting carbon-containing devices and methods of making thereof. The semi-conducting carbon containing devices comprise an n-type semiconducting layer and a p-type semiconducting layer, both of which are positioned over a substrate. The n-type semiconducting layer can be formed by pyrolyzing a carbon- and nitrogen-containing polymer, and the p-type semiconducting layer can be formed by pyrolyzing an aromatic- and aliphatic-group-containing polymer. In some embodiments, the devices are solar cell devices.

Abstract: Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer.

Abstract: A ceramic composite laminate includes a wavelength-converting layer and a non-emissive layer, wherein the ceramic composite laminate has a wavelength conversion efficiency (WCE) of at least 0.650. The ceramic composite laminate can also include a wavelength-converting ceramic layer comprising an emissive material and a scattering material, wherein the laminated composite has a total transmittance of between about 40% to about 85%. The wavelength-converting layer may be formed from plasma YAG:Ce powder.

Abstract: Some embodiments provide a compound represented by Formula 1: wherein R1, R2, R3, R6, R7, and R8 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; provided that: at least one of R1, R2, and R3 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl and at least one of R6, R7, and R8 is selected from optionally substituted carbazolyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl; and R4 and R5 are independently selected from the group consisting of H, optionally substituted C1-12 alkyl, optionally substituted phenyl, optionally substituted diphenylamine and optionally substituted diphenylaminophenyl.

Abstract: Disclosed herein are compositions comprising an electron transport compound, an emissive compound, and an organic solvent. The emissive compound comprises an organic indium complex attached to a nanoparticle core. These compositions are useful in fabricating light emitting devices and can be deposited on a substrate via a printing process.

Abstract: A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light.

Abstract: Compounds including optionally substituted Ring Systems 1-4 may be used as hosts in light-emitting devices.

Abstract: A solvothermal process for making inorganic nanoparticles is described. Inorganic nanoparticles can be produced by forming a suspension or solution comprising at least one group II-IV and lanthanide metal inorganic salt in a first medium, disposing the suspension or solution in a sealed chamber having an interior pressure, elevating the interior pressure of the sealed chamber to an initial interior pressure prior to the heating, heating the suspension or solution to a peak temperature higher than the normal boiling point of the first medium, optionally adding a second medium to the suspension or solution after the heating.

Abstract: Disclosed herein are compounds represented by a formula: Wherein Ar1, Cb, Ph1, Het1, and A are described herein. Compositions and light-emitting devices related thereto are also disclosed.

Abstract: Disclosed herein are some embodiments related to a polymer composition comprising a base polymer and a block copolymer additive. Laminated constructs, methods of preparing the polymer compositions and the laminate constructs, and devices related thereto are also disclosed.

Abstract: Disclosed herein are processes for making a plurality of substantially phase-pure metal oxide particles, the particles comprising a garnet structure, the process comprising: subjecting a dispersion of precursors to a solvothermal treatment to form a garnet intermediate and applying a flow-based thermochemical process to said garnet intermediate.

Abstract: Disclosed herein are compounds represented by Formula 1, wherein R1, Ar1, X, Ar2, Ara, and Het are described herein. Compositions and light-emitting devices related thereto are also disclosed.

Abstract: Disclosed herein are compounds represented by a formula: R1—O-A-C?C-D, where R1, A, and D are defined as described herein. Compositions and light-emitting devices related thereto are also disclosed.

Abstract: Some embodiments provide luminescent ceramics which have a lower amount of dopant than conventional luminescent ceramics. In some embodiments, the luminescent ceramic comprises a host material comprising a rare earth element and at least one rare earth dopant, wherein the rare earth dopant may be about 0.01% to 0.5% of the rare earth atoms present in the material. Some embodiments provide luminescent ceramic comprising: a polycrystalline phosphor represented by the formula (A1-xEx)3B5O12. Some embodiments provide a light-emitting device comprising a luminescent ceramic disclosed herein.

Abstract: Some embodiments provide a light-emitting device comprising: a light-emitting diode; a substantially transparent encapsulating material having a refractive index in the range of about 1.3 to about 1.8; a layer of low refractive index material having a refractive index in the range of about 1 to about 1.2; and a translucent ceramic phosphor having a refractive index in the range of about 1.6 to about 2.7, and is substantially dome-shaped with substantially uniform thickness. Some embodiments provide a light-emitting device comprising: a substrate; a light-emitting diode mounted on a surface of the substrate; and a substantially hemispheric cover mounted on the surface of the substrate so as to enclose the light emitting diode; wherein the substantially hemispheric cover comprises an outer layer, a middle layer, and an inner layer arranged concentrically, with the inner layer being nearest the light-emitting diode.

Abstract: An optical film capable of converting blue light to yellow light and a while light emitting device comprising the optical film are described.