CAS: 12024-10-1; Gallium Sulfide

专利信息

专利号:US-2007074541-A1
优先权日:2003-10-10
标 题:Synthesis of germanium sulphide and related compounds
发明人：BADDING JOHN V; HEWAK DANIEL W; HUANG CHUNG-CHE
权利人:UNIV SOUTHAMPTON
摘要:The invention relates to synthesis of germanium sulphide glasses and optical devices formed therefrom. In a chemical vapour deposition process, germanium tetrachloride is reacted with hydrogen sulphide at temperatures in the range 450-700° C. to form germanium sulphide. Lower temperatures within this range of 450-550° C. directly produce a glass, whereas higher temperatures within the range of 600-700° C. produce a crystalline powder which can then be reduced to a glass by subsequent melting and annealing. The reaction is preferably carried out at atmospheric pressure or slightly higher. Thin films and bulk glasses suitable for optical waveguides can be formed directly in one processing step as can powders and microspheres. The materials synthesised are of a high purity with low oxide impurities and only trace levels of transition metal ions.

专利号:US-7241479-B2
优先权日:2003-08-22
标 题 :Thermal CVD synthesis of nanostructures
发明人：RAO APPARAO M; RAO RAHUL
权利人:UNIV CLEMSON
摘要:The present invention is generally directed to a novel process for the production of nanowires and nanobelts and the novel nanostructures which can be produced according to the disclosed processes. The process can be carried out at ambient pressure and includes locating a metal in a reaction chamber, heating the chamber to a temperature at which the metal becomes molten, and flowing a vapor-phase reactant through the chamber. The vapor-phase reactant and the molten metal can react through a thermal CVD process, and nanostructures can form on the surface of the molten metal. Dimensions of the nanostructures can be controlled by reaction temperature.

专利号:US-11053439-B2
优先权日:2019-02-05
标题:Methods for synthesis of inorganic nanostructures using molten salt chemistry
发明人：CURLEY JOHN J; TU ALEXANDER; GUO WENZHOU; WANG CHUNMING; IPPEN CHRISTIAN; HOTZ CHARLES
权利人:NANOSYS INC
摘要:The invention relates to highly luminescent nanostructures with strong blue light absorbance, particularly core/shell nanostructures comprising an In(1-x)GaxP core and ZnSe and/or ZnS shell layers, wherein 0
专利号:US-7153703-B2
优先权日:2001-05-14
标 题 :Synthesis of stable colloidal nanocrystals using organic dendrons
发明人：PENG XIAOGANG; CHEN HAIYAN
权利人:UNIV ARKANSAS
摘要:A method for stabilizing colloidal suspensions of nanocrystals or nanoparticles in a solvent or solid matrix is provided by coating the nanocrystals with bulky organic molecules, specifically dendrons. By coating nanocrystals with a dense organic dendron coat and further cross-linking the dendron ligands, oxidation of the nanocrystals and dissociation of the ligands are avoided. This invention allows nanocrystals to undergo rigorous purification and processing. It may regularly be applied to a variety of nanocrystals.

专利号:US-2020325395-A1
优先权日:2019-02-05
标 题 :Methods for synthesis of inorganic nanostructures using molten salt chemistry

专利号:US-2004101976-A1
优先权日:2001-05-14
标 题 :Synthesis of stable colloidal nanocrystals using organic dendrons