Patent ID: 8803141
Filing Date: 2014-08-12
Classification: C23C,H01L,Y10T

Abstract:
1. A hydrazinium metal chalcogenide prepared by a process comprising: contacting: at least one metal chalcogenide, a hydrazine compound represented by the formula: wherein each of R 1 , R 2 , R 3 and R 4 is independently selected from the group consisting of: hydrogen, aryl, methyl, ethyl and a linear, branched or cyclic alkyl of 3-6 carbon atoms, and optionally an elemental chalcogen selected from the group consisting of: S, Se, Te and a combination thereof, to produce a solution of a hydrazinium-based precursor of said metal chalcogenide in said hydrazine compound; and isolating hydrazinium-based precursor of said metal chalcogenide as a substantially pure product.