Osram Opto Semiconductors Gmbh

Pacific Light Technologies Corp.

Chevron Oronite Company LLC

The University of Southern Mississippi

Georgeta Masson

Juanita N Kurtin

Steven M Hughes

Brian Theobald

Oun-Ho Park

Matthew J Carillo

Alex C Mayer

Robson F Storey

Kari N Haley

Benjamin Daniel Mangum

C Garrett Campbell

Oun Ho Park

Travis P Holbrook

Alex R Guichard

Paul-Emile B Trudeau

Colin C Reese

Manav Sheoran

William R Ruhe, Jr

David L Morgan

Abran Q Costales

Alex Christopher Mayer

John Robert Miller

Young A Chang

Kirk Nass

Shawn Scully

Shawn R Scully

Roland Ma

William Raymond Ruhe

Abran Costales

Colin Reese

Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.

Method for forming a composite having semiconductor structures including a nanocrystalline core and shell embedded in a matrix

Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Ris cationic initiator residue; Ris a polyolefin group; Rand Rare each, independently in each &#x2014;(CRR) unit, H, alkyl, alkoxy, or alkylaryl; Rand Rare each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.

Polyolefin dispersants and methods of making and using thereof

The light conversion efficiency of a solar cell is enhanced by using an optical downshifting layer in cooperation with a photovoltaic material. The optical downshifting layer converts photons having wavelengths in a supplemental light absorption spectrum into photons having a wavelength in the primary light absorption spectrum of the photovoltaic materiaL The cost effectiveness and efficiency of solar cells platforms can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic materiaL The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response to the photovoltaic materiaL The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.

Optical downshifting layer

Provided herein are polyimide dispersants, as well as methods for producing polyimide dispersants. The polyimides can be defined by the formula below wherein A, individually for each occurrence, represents a cyclic diimide moiety represented by the structure below where B represents a cyclic moiety substituted with a first cyclic imide group and a second cyclic imide group; Y, individually for each occurrence, represents a bivalent linking group; L, individually for each occurrence, is absent or represents a cyclic imide group; R, individually for each occurrence, represents a polymeric tail; and n is an integer from 1 to 20.

Polyimide dispersants and methods of making and using thereof

Quantum dot delivery methods are described. In a first example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles. The method also involves forming a dispersion of the plurality of nano-particles in a medium for delivery or storage, wherein the medium is free of organic solvent. In a second example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles in an organic solvent. The method also involves drying the plurality of nano-particles for delivery or storage, the drying removing entirely all of the organic solvent.

Quantum dot (QD) delivery method

The light conversion efficiency of a solar cell () is enhanced by using an optical downshifting layer () in cooperation with a photovoltaic material (). The optical downshifting layer converts photons () having wavelengths in a supplemental light absorption spectrum into photons () having a wavelength in the primary light absorption spectrum of the photovoltaic material. The cost effectiveness and efficiency of solar cells platforms () can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic material. The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response of the photovoltaic material. The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.

Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.

Dispersants, method of making, and using same

A solar concentrator module () employs a luminescent concentrator material () between photovoltaic cells () having their charge-carrier separation junctions () parallel to front surfaces () of photovoltaic materialof the photovoltaic cells (). Intercell areas () covered by the luminescent concentrator material () occupy from 2 to 50% of the total surface area of the solar concentrator modules (). The luminescent concentrator material () preferably employs quantum dot heterostructures, and the photovoltaic cells () preferably employ low-cost high-efficiency photovoltaic materials (), such as silicon-based photovoltaic materials.

Quantum dot and luminescent material made therefrom

Composite having semiconductor structures including a nanocrystalline core and shell

Composites having semiconductor structures embedded in a matrix are described. In an example, a composite includes a matrix material. A plurality of semiconductor structures is embedded in the matrix material. Each semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material. Each semiconductor structure also includes a nanocrystalline shell composed of a second, different, semiconductor material at least partially surrounding the anisotropic nanocrystalline core. An insulator layer encapsulates each nanocrystalline shell and anisotropic nanocrystalline core pairing.

Composite having semiconductor structure including a nanocrystalline core and shell embedded in a matrix

Solar module employing quantum luminescent lateral transfer concentrator

Ceramic compositions having a dispersion of nano-particles therein and methods of fabricating ceramic compositions having a dispersion of nano-particles therein are described. In an example, a method of forming a composition having a dispersion of nano-particles therein includes forming a mixture of semiconductor nano-particles and ceramic precursor molecules. A ceramic matrix is formed from the ceramic precursor molecules. The ceramic matrix includes a dispersion of the semiconductor nano-particles therein. In another example, a composition includes a medium including ceramic precursor molecules. The medium is a liquid or gel at 25 degrees Celsius. A plurality of semiconductor nano-particles is suspended in the medium.

Ceramic composition having dispersion of nano-particles therein and methods of fabricating same

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Lafayette, CA, United States of America

Georgeta Masson