Fluorescent powder and preparation method and application thereof

The invention relates to fluorescent powder and a preparation method and application thereof. The chemical formula of the fluorescent powder is Sr La(PO4)(SiO4): yEu, wherein x isgreater than or equal to 0.01 and less than or equal to 0.3, Eu comprises Eu and Eu, and y is greater than or equal to 0.001 and less than or equal to 0.5. The fluorescent powder disclosed bythe invention is prepared by doping europium ions into a phosphor matrix, can effectively realize white light emission, has the advantages of high luminous intensity and easiness in preparation, and has huge market prospect and application value in the field of photoluminescence. The preparation method disclosed by the invention is simple, low in raw material price, low in equipment requirement, good in repeatability and suitable for large-scale production. 本发明涉及一种荧光粉及其制备方法与应用。本发明的荧光粉，化学式为SrLa(PO)(SiO)：yEu，其中，0.01≤x≤0.3；Eu包括Eu和Eu，0.001≤y≤0.5。本发明的荧光粉通过在磷光体基质中掺杂铕离子而制备，能有效实现白光发射，具有发光强度高、易于制备的优点，在光致发光领域有着巨大的市场前景和应用价值。本发明的制备方法