EVIDENT TECHNOLOGIES Patent applications |
Patent application number | Title | Published |
20140241977 | Purification of Nanocrystals for Thermoelectric, Solar, and Electronic Applications - Disclosed herein is a method of purifying and doping a population of semiconductor nanocrystals. The method includes mixing the population of semiconductor nanocrystals having a first material system and a first ligand with a set of particles in the presence of a first solvent, the set of particles having a second material system which is different from the first material system and a second ligand which is different from the first ligand, to form a mixture. The method also includes facilitating a ligand exchange and an ionic exchange in the mixture, altering the first material system of the population of semiconductor nanocrystals to a third material system, different from the first material system and the second material system. The method includes sonicating the mixture and isolating the population of semiconductor nanocrystals having the third material system and the second ligand from the mixture. | 08-28-2014 |
20140158945 | Methods of Increasing the Thermoelectric Performance of a Material - Embodiments of the invention relate generally to increasing the thermoelectric performance of a material. In one embodiment, the invention provides a method of improving the thermoelectric performance of a material, the method comprising: obtaining a powdered semiconductor material; and applying a current to the powdered semiconductor material | 06-12-2014 |
20130270692 | Method for Creating Semiconductor Junctions with Reduced Contact Resistance - Embodiments of the invention relate generally to creating semiconductor junctions with reduced contact resistance. In one embodiment, the invention provides a method of forming a composition of material, the method comprising: providing at least two populations of semiconducting materials; layering the at least two populations of semiconducting materials to form at least two layers; and consolidating the at least two populations of semiconducting materials, wherein the consolidating creates an electrical connection between the at least two layers. | 10-17-2013 |
20130087747 | Quantum Confined Thermoelectric Compositions - Embodiments of the invention relate generally to nanocrystal compositions of matter. In one embodiment, the invention provides a composition comprising: a matrix material; and a plurality of quantum confined semiconductor nanocrystals embedded in the matrix material, wherein the composition has a first grain size of less than approximately 500 nm. | 04-11-2013 |
20130082212 | Consolidation Methodologies for Semiconductor Nanomaterials - Embodiments of the invention relate generally to methods of consolidating semiconductor nanomaterials. In one embodiment, the invention provides a method of consolidating a material comprising: mixing a population of semiconductor nanocrystals with a matrix material and a solvent; heating the mixture to remove the solvent; and consolidating the semiconductor nanocrystals and the matrix material into a consolidated material | 04-04-2013 |
20100291724 | METHOD OF PRODUCING HIGH PERFORMANCE PHOTOVOLTAIC AND THERMOELECTRIC NANOSTRUCTURED BULK AND THIN FILMS - Embodiments of the invention provide methods of forming photovoltaic or thermoelectric materials, including photovoltaic or thermoelectric films. In one embodiment, the invention provides a method of forming a photovoltaic material, the method comprising: depositing an inorganic capped nanoparticle solution onto a substrate; and heating the substrate. | 11-18-2010 |
20100226849 | Semiconductor Nanocrystal Synthesis Using a Catalyst Assisted Two-phase Reaction - A method for producing a high yield of high quality, low size distribution, and size tunable semiconductor nanocrystals. The method produces III-V, II-VI, II-V, IV-VI, IV, ternary, quarternary, and quinary semiconductor nanocrystals (quantum dots) using a catalyst assisted two-phase reaction. | 09-09-2010 |
20090246900 | Shaped Articles Comprising Semiconductor Nanocrystals and Methods of Making and Using Same - A shaped article comprising a plurality of semiconductor nanocrystals. Devices incorporating shaped articles are also provided. Methods of manufacturing shaped articles by various molding processes are also provided. | 10-01-2009 |
20080246017 | LIGHT-EMITTING DEVICE HAVING SEMICONDUCTOR NANOCRYSTAL COMPLEXES - Light-emitting devices are provided that incorporate one or more underlying LED chips or other light sources and a layer having one or more populations of nanoparticles disposed over the light source. The nanoparticles may absorb some light emitted by the underlying source, and re-emit light at a different level. By varying the type and relative concentration of nanoparticles, different emission spectra may be achieved. White light and specialty-color emission may be achieved. Devices also may include multiple LED chips, with nanoparticles disposed over one or more underlying chips in an array. | 10-09-2008 |
20080237546 | Method of making semiconductor nanocrystal composites - A semiconductor nanocrystal composite comprising a semiconductor nanocrystal composition dispersed in an inorganic matrix material and a method of making same are provided. The method includes providing a semiconductor nanocrystal composition having a semiconductor nanocrystal core, providing a surfactant formed on the outer surface of the composition, and replacing the surfactant with an inorganic matrix material. The semiconductor nanocrystal composite emits light having wavelengths between about 1 and about 10 microns. | 10-02-2008 |