납 기반 금속 할로겐화물 페로브스카이트 나노결정을 포함하는 위조 방지 패턴 및 그의 제조방법
简介：An anti-counterfeiting pattern comprising lead-based metal halide perovskite nanocrystals and a method for manufacturing the same are disclosed. The anti-counterfeiting pattern comprises: an absorptive substrate; and a light-emitting portion comprising lead (Pb)-based perovskite nanocrystals and having a pattern; wherein the light-emitting portion exhibits a photoluminescence phenomenon upon irradiation with ultraviolet rays, and although the photoluminescence colors visible to the naked eye are similar, each has a different emission spectrum, so that even without forming a complex pattern, the anti-counterfeiting function is excellent.展开
公开/公告号：KR1027508830000(B1)
主分类号：B42D 25/ 387(书；书籍封皮；活页；不包含在其他类目中的特殊开本或形式的印刷品；与上述物品使用有关的装置；可动条带的记录或读出设备)
分类号：B42D 25/ 387;B42D 25/ 415;C09K 11/ 664;C09K 11/ 665
