指纹显现技术是痕迹学乃至物证技术学领域研究的重点内容之一,现行的指纹显现试剂和显现方法仍存在一定的隐患.以稀土荧光粉Zn2SiO4:Mn2,Er3+为研究对象,借助纳米稀土发光材料在生物荧光检测领域的应用思路,通过表面修饰技术、湿法球磨等方法对荧光粉的发光性能、吸附能力和粒径形貌等指标进行优化与控制,使之成功地应用于潜在指纹显现中,能够显现遗留在不同客体上不同遗留时间的潜在指纹;建立了一种高效、无毒、无损、便利的潜在指纹显现技术新方法,并拓展了稀土荧光粉的应用范围.
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