Preparation method of green-emitting phosphor using mesoporous silica, and the green-emitting phosphor thereby

摘要

The present invention is the production of a green fluorescent material using a porous silica accordingly relates to a method and a green fluorescent substance to be produced , specifically, the acid (acid), and a mixture of distilled water and the organic solvent, zinc precursor and manganese precursor, adding a gelling agent, and ethylene glycol, and stirred to gel (gel) for producing a phase (phase 1); Preparing a gel-containing porous silica and porous silica gel was added and stirred prepared in step 1 (step 2); After drying the gel-containing porous silica prepared in step 2, the step of firing for 1-3 hours at a temperature in an oxidizing atmosphere of 1000 to 1200 (step 3); And a green fluorescent material using the porous silica, comprising the step (step 4) to reduction treatment for 1 to 3 hours at a temperature in a reducing atmosphere of 700 to 900 the porous silica containing zinc and manganese firing is performed in the step 3 provides a method of manufacture. Represents a form of rectangle with a method of manufacturing the green phosphor with the porous silica according to the present invention, it is possible to manufacture a green phosphor particle diameter of less than 100 nm, a green phosphor is produced in the conventional core-shell-type to be produced by as compared to the phosphor particle size, particle size distribution, it is more excellent in view of light emission luminance. Further, the prepared green phosphor may be used as a spin coating, ink jet coating method of the luminescent material emitting type transparent display character it is possible to form a film on a transparent substrate such as via a fluorescence after dispersed in a particular solvent. ;