| 简介 |
The present invention relates to a method for preparing silicate luminous materials and silicate luminous materials and, specifically, to the method for preparing silicate luminous materials comprising : a hydrothermal treatment step of obtaining silica layered materials substituted with rare earth metals by treating a reacting solution, which is an aqueous solution comprising rare earth metal ions, NaOH and silica, with hydrothermal treatment; and a plasticizing step of forming crystalline silica materials by plasticizing the silica layered materials substituted with rare earth metals. The method for preparing silicate luminous materials simply and economically manufactures silicate luminous materials having excellent luminescence intensity by strong covalent bond property and can be used as luminous materials for an LED since the silicate luminous materials are stable at the high temperature and simply and economically manufactures silicate luminous materials capable of selectively using luminescence such as red, green, blue etc since the various kinds of rare earth metals can be substituted for silicon.COPYRIGHT KIPO 2014 |
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