Preparation method of green environment-friendly water-soluble Ag-IN-S/ZNS quantum dot material

The invention provides a preparation method of a green environment-friendly water-soluble Ag-IN-S/ZNS quantum dot material. According to the water-soluble light-emitting Ag-IN-S/ZNS quantum dot material, a precipitation method is adopted to prepare core-shell type quantum dots. AIS (AIS/Zn quantum dot luminescence) with a fraction up to 10-11 is selected, and the color range of visible light waveband which can be covered is from deep red to blue green, wherein the photoluminescence (Pl) quantum yield can reach 80%. The material is free of toxic heavy metals such as cadmium and the like, is green and environmentally friendly, and can be widely applicable to the aspects of biological fluorescence labeling, display illumination and the like. 本发明提供种绿色环保的水溶性Ag-In-S/ZnS量子点材料的制备方法。水溶性发光的Ag-In-S/ZnS量子点材料，采用沉淀法制备了核壳型量子点。高达10−11分数的大小选择AIS（AIS/ZnS量子点发光）可覆盖可见光波段的颜色范围从深红色到蓝绿色，其中中间产物的光致发光（PL）量子产率达到80%。无镉等有毒重金属，绿色环保广泛适用于生物荧光标记，显示照明等方面。