Patent ID: 8282860
Filing Date: 2012-10-09
Classification: B22F,B82Y,C09D

Abstract:
1. A method for preparation of silver nanoparticles comprising the steps of: a) preparing a silver complex compound by reacting the silver compound represented by the following formula 1 with at least one or two mixtures selected from ammonium carbamate compound, ammonium carbonate compound or ammonium bicarbonate compound represented by the following formulas 2 to 4; and b) preparing the silver nanoparticles by reacting the silver complex compound prepared in the a) step with a reducer, or by reducing or pyrolyzing the silver complex compound by applying heat thereto, from the above formulas 1 to 4, X represents a substituent selected from oxygen, sulfur, halogen, cyano, cyanate, carbonate, nitrate, nitrite, sulfate, phosphate, thiocyanate, chlorate, perchlorate, tetrafluoro borate, acetylacetonate, carboxylate, and the derivatives thereof; n represents integers of 1 to 4; R1 to R6 are independently hydrogen, C