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| Number | Title | Issue Date |
| 8092776 | Process for the recovery of selenium from minerals and/or acidic solutions A process and method for recovering elemental selenium, selenite or selenate from minerals and selenium salts solutions using a reducing sugar to reduce selenium before precipitating the elemental selenium, selenite and/or the selenate. ... | 01/10/2012 |
| 8075865 | Lithium argyrodite The invention relates to lithium argyrodite of the general formula (I): Li+(12-n-x)Bn+X2−6-xY−x (I), where Bn+ is selected from the group consisting of P, As, Ge, Ga, Sb, Si,... | 12/13/2011 |
| 8057780 | Method for preparing nanoparticles using carbene derivatives Disclosed herein is a method for synthesizing a nanoparticle using a carbene derivative. More specifically, provided is a method for synthesizing a nanoparticle by adding one or more precursors to an organic solvent to grow a crystal, wherein a specific carbene deri... | 11/15/2011 |
| 8057781 | Fabrication method for chalcopyrite powder The invention provides a fabrication method for a chalcopyrite powder. The fabrication method includes: (a) mixing a Group IB compound and a Group IIIA compound in a solvent; (b) drying or precipitating the solution of step (a) to obtain a precursor containing Group... | 11/15/2011 |
| 8021641 | Methods of making copper selenium precursor compositions with a targeted copper selenide content and precursor compositions and thin films resulting therefrom Precursor compositions containing copper and selenium suitable for deposition on a substrate to form thin films suitable for semi-conductor applications. Methods of forming the precursor compositions using primary amine solvents and methods of forming the thin films... | 09/20/2011 |
| 8012448 | Synthesis of metal chalcogenide nanocrystals using organodichalcogenide reagents A method of synthesizing metal chalcogenide nanocrystals involving the steps of combining an organodichalcogenide, a metal salt and a ligand compound to form a mixture; degassing the mixture to remove air and water from the mixture; heating the mixture at a temperat... | 09/06/2011 |
| 8007756 | Process for the synthesis of nanotubes and fullerene-like nanostructures of transition metal dichalcogenides, quasi one-dimensional structures of transition metals and oxides of transition metals The object of the invention is a process for the synthesis of nanotubes of transition metal dichalcogenides, of fullerene-like nanostructures of transition metal dichalcogenides, of nanotubes of transition metal dichalcogenides, filled with fullerene-like nanostruct... | 08/30/2011 |
| 8003070 | Methods for forming particles from single source precursors Single source precursors are subjected to carbon dioxide to form particles of material. The carbon dioxide may be in a supercritical state. Single source precursors also may be subjected to supercritical fluids other than supercritical carbon dioxide to form particl... | 08/23/2011 |
| 8003071 | Process for producing elemental selenium nanospheres The invention relates to microbiological processes using non-selenium-respiring bacteria for the production of elemental selenium nanospheres having a size in the 50-500 nm range and compositions comprising said nanospheres. The invention further concerns grey eleme... | 08/23/2011 |
| 7968075 | Multi-element metal chalcogenide and method for preparing the same A multi-element metal chalcogenide and a method for preparing the same are provided. The multi-element metal chalcogenide includes multiple metal elements. A multi-element metal chalcogenide powder is prepared, and all of the multiple metal elements of the multi-ele... | 06/28/2011 |
| 7959891 | Process and apparatus for producing inorganic fullerene-like nanoparticles The present invention provides a process for obtaining fullerene-like metal chalcogenide nanoparticles, comprising feeding a metal precursor selected from metal halide, metal carbonyl, organo-metallic compound and metal oxyhalide vapor into a reaction chamber toward... | 06/14/2011 |
| 7955586 | Synthesis of I-III-V12 nanoparticles and fabrication of polycrystalline absorber layers A method for preparing III-VI2 nanoparticles and a thin film of polycrystalline light absorber layers. The method for preparing I-III-VI2 nanoparticles comprises the steps of: (a1) preparing a mixed solution by mixing each element from groups I... | 06/07/2011 |
| 7914762 | Preparation method of chalcopyrite-type compounds with microwave irradiation A method for preparing a chalcopyrite-type semiconductor compound which is widely used as a sunlight-absorbing material. More specifically, disclosed is a method for preparing a chalcopyrite-type compound, in which microwaves are used as heat sources in the preparat... | 03/29/2011 |
| 7829059 | Rapid synthesis of ternary, binary and multinary chalcogenide nanoparticles A method for synthesizing a chalcogenide nanoparticle is provided. The method comprises reacting a metal component with an elemental chalcogen precursor in the presence of an organic solvent. The chalcogenide nanoparticles include ternary, binary and/or multinary ch... | 11/09/2010 |
| 7758843 | Inclusion free cadmium zinc tellurium and cadmium tellurium crystals and associated growth method The present disclosure provides systems and methods for crystal growth of cadmium zinc tellurium (CZT) and cadmium tellurium (CdTe) crystals with an inverted growth reactor chamber. The inverted growth reactor chamber enables growth of single, large, high purity CZT... | 07/20/2010 |
| 7731932 | Methods of processing nanocrystals, and compositions, devices and systems including same Methods of processing nanocrystals to remove excess free and bound organic material and particularly surfactants used during the synthesis process, and resulting nanocrystal compositions, devices and systems that are physically, electrically and chemically integrata... | 06/08/2010 |
| 7727506 | Semiconducting aerogels from cahacogenido clusters with broad applications Soluble chalcogenido clusters together with transition metal ions and main group elements are shown to provide gels having interconnected, open frameworks. Following supercritical drying with liquid carbon dioxide, the chalcogels may be converted to aerogels. The ae... | 06/01/2010 |
| 7678359 | Preparation method of white light quantum dot The invention provides a preparation method of Zn1-xCdxA quantum dot capable of emitting white light, in which A is S or S1-ySey; 0 | 03/16/2010 |
| 7670584 | Inorganic metal chalcogen cluster precursors and methods for forming colloidal metal chalcogenide nanoparticles using the same Methods for forming colloidal metal chalcogenide nanoparticles generally include forming soluble inorganic metal chalcogen cluster precursors, which are then mixed with a surfactant and heated to form the colloidal metal chalcogenide nanoparticles. The soluble inorg... | 03/02/2010 |
| 7641886 | Process and apparatus for producing inorganic fullerene-like nanoparticles The present invention provides a process for obtaining fullerene-like metal chalcogenide nanoparticles, comprising feeding a metal precursor (INi) selected from metal halide, metal carbonyl, organo-metallic compound and metal oxyhalide vapor into a reaction chamber ... | 01/05/2010 |
| 7608237 | Synthesis of nanostructured materials using liquid crystalline templates A process for synthesizing nanostructures is disclosed. The process involves forming a liquid crystalline template by combining a block copolymer, a first reactant in a polar phase, and a nonpolar phase, then contacting the template with a gas phase composed of a se... | 10/27/2009 |
| 7591990 | Processes for preparing chalcopyrite-type compounds and other inorganic compounds There is provided a process for preparing compounds of formula M3M1A2. The process comprises reacting a compound of formula M2M1A2 with a compound of formula M3X2, in the presenc... | 09/22/2009 |
| 7563430 | Inorganic metal chalcogen cluster precursors and methods for forming colloidal metal chalcogenide nanoparticles using the same Methods for forming colloidal metal chalcogenide nanoparticles generally include forming soluble inorganic metal chalcogen cluster precursors, which are then mixed with a surfactant and heated to form the colloidal metal chalcogenide nanoparticles. The soluble inorg... | 07/21/2009 |
| 7563429 | Method of recycling an exhausted selenium filter mass A process for reclaiming spent selenium filter mass containing an inert material. The spent mass is treated with a hydrogen peroxide solution for leaching out selenium content from unspent active substance present in the filter mass to form selenious acid. The filte... | 07/21/2009 |
| 7544343 | CdTe system compound semiconductor single crystal It is to define the resistivity and the contained amount of impurities of a CdTe system compound semiconductor single crystal and to provide a CdTe system compound semiconductor single crystal which is useful as a substrate for optical devices such as an infrared se... | 06/09/2009 |
| 7427382 | Cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds A method is provided for compounding, homogenizing and consolidating compounds. In one embodiment, the charge components are mixed in a controlled addition process, then the newly-formed compound is heated to become totally molten, followed by a rapid quench at room... | 09/23/2008 |
| 7393516 | Preparation of metal chalcogenides from reactions of metal compounds and chalcogen A method of preparing metal chalcogenides from elemental metal or metal compounds has the following steps: providing at least one elemental metal or metal compound; providing at least one element from periodic table groups 13-15; providing at least one chalcogen; an... | 07/01/2008 |
| 7357910 | Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the... | 04/15/2008 |
| 7329399 | Hydrogen trapper compound, method for the production and uses thereof A hydrogen-trapping compound is provided, along with a process for manufacturing the compound, and its uses, wherein the hydrogen-trapping compound is characterized in that it contains at least one metal salt of formula MX(OH), in which M represents a divalent trans... | 02/12/2008 |
| 7309875 | Nanocrystal protective layer for crossbar molecular electronic devices A molecular device is provided. The molecular device comprises a junction formed by a pair of crossed electrodes where a first electrode is crossed by a second electrode at a non-zero angle and at least one connector species including at least one switchable moiety ... | 12/18/2007 |
| 7276224 | Synthesis of nanoporous particles Methods of producing nanoporous particles by spray pyrolysis of a precursor composition including a reactive precursor salt and a nonreactive matrix salt are provided, wherein the matrix salt is used as a templating medium. Nanoporous aluminum oxide particles produc... | 10/02/2007 |
| 7267810 | Method of synthesizing colloidal nanocrystals A method of making nanocrystals involves adding a chalocogen source to a hot solution of a metal-containing non-organometallic compound, such as CdO, in a first ligand solvent, such as TOP, and preferably subsequently cooling the resulting mixture to a lower tempera... | 09/11/2007 |
| 7255962 | Eulytite solid acid electrolytes for electrochemical devices Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a solid acid in a eulytine structure capable of undergoing rotational ... | 08/14/2007 |
| 7255846 | Methods for synthesis of semiconductor nanocrystals and thermoelectric compositions The present invention provides methods for synthesis of IV–VI nanostructures, and thermoelectric compositions formed of such structures. In one aspect, the method includes forming a solution of a Group IV reagent, a Group VI reagent and a surfactant. A reducing ag... | 08/14/2007 |
| 7229602 | Method of preparing metal chalcogenide particles A method of preparing metal chalcogenide particles. The method comprising the step of reacting an amine and metal complex precursors. The metal complex precursors comprising a chalcogenide and an electrophilic group. The reaction forming metal chalcogenide particles... | 06/12/2007 |
| 7208133 | Method for the preparation of IV-VI semiconductor nanoparticles A high temperature non-aqueous synthetic procedure for the preparation of substantially monodisperse IV-VI semiconductor nanoparticles is provided. The procedure includes introducing a first precursor selected from the group consisting of a molecular precursor of a ... | 04/24/2007 |
| 7183018 | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X, A indicates at least one kind of an element select... | 02/27/2007 |
| 7101527 | Mixed anion materials and compounds for novel proton conducting membranes The present invention provides new amorphous or partially crystalline mixed anion chalcogenide compounds for use in proton exchange membranes which are able to operate over a wide variety of temperature ranges, including in the intermediate temperature range of abou... | 09/05/2006 |
| 7083680 | Sublimation and purification method A glass bottle containing a sample of an organic material to be purified is located at a position surrounded by a heater near one end in an outer glass tube. An inner glass tube for catching organic crystals obtained by recrystallization is located at a position nea... | 08/01/2006 |
| 7067733 | Thermoelectric material having crystal grains well oriented in certain direction and process for producing the same Thermoelectric material is produced through a process sequence including a liquid quenching, a primary solidification such as a hot pressing or extrusion and an upset forging; although the C-planes of the crystal grains are directed in parallel to the direction in w... | 06/27/2006 |
