公开(公告)号：US20130115172A1

公开(公告)日：2013-05-09

申请号：US13670870

申请日：2012-11-07

Applicant: Korea Institute of Science and Technology

Inventor： Ho Seong JANG ,  Kyoungja WOO ,  Kipil LIM

IPC: C09K11/77 ,  A61K49/08

CPC classification number: C09K11/7772 ,  A61K49/08 ,  B82Y30/00 ,  B82Y40/00 ,  C09K11/7773 ,  Y10S977/773 ,  Y10S977/892

Abstract: The present invention relates to a nanophosphor and method for synthesizing the same, and provides a nanophosphor containing fluoride-based nanoparticles co-doped with Yb3+ and Er3+ expressed by the following Chemical Formula 1, NaY1−w−z−x−yGdwLzF4:Yb3+x,Er3+y  (1) wherein, the description of the values x, y, w, z, and L is the same as defined above.The nanophosphor may exhibit an excellent luminous intensity despite having a small particle size, and be excited by infrared rays to emit visible light, and have magnetic properties and thus can be used as a contrast agent, a counterfeit prevention code, and the like.

Abstract translation: 纳米荧光体及其制造方法技术领域本发明涉及一种纳米荧光体及其合成方法，提供了由以下化学式1，NaY1-wzx-yGdwLzF4：Yb3 + x，Er3 +表示的与Yb3 +和Er3 +共掺杂的含氟系纳米粒子纳米荧光体， y（1）其中，x，y，w，z和L的描述与上述定义相同。 纳米荧光体即使具有小的粒径也可以表现出优异的发光强度，并且被红外线激发以发射可见光，并且具有磁性，因此可以用作造影剂，防伪代码等。

公开(公告)号：US20130287703A1

公开(公告)日：2013-10-31

申请号：US13869453

申请日：2013-04-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ho Seong JANG ,  Kyoungja WOO ,  Kipil LIM

IPC: C09K11/77

CPC classification number: C09K11/7773 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  Y10S977/773 ,  Y10S977/892 ,  Y10S977/896 ,  Y10S977/93 ,  Y10S977/948 ,  Y10S977/95 ,  Y10T428/2982

Abstract: The present invention relates to a nanophosphor and a synthesis method thereof, and provides a nanophosphor comprising a first compound of Formula 1, wherein the first compound is fluoride-based one which is co-doped with Ce3+ and Tb3+. NaGd1−p−q−rMrF4:Ce3+p,Tb3+q   (1) In the Formula 1, descriptions on the p, q, r and M are overlapped with what was described in the detailed description of the present invention, so their concrete description are omitted. The nanophosphor has good light emission intensity and magnetic property as well as up-conversion and/or down-conversion property able to emit visible light after excitation by infrared and/or ultraviolet rays, so can be applied to a contrast agent and a counterfeit prevention code.

Abstract translation: 纳米荧光体及其合成方法技术领域本发明涉及纳米荧光体及其合成方法，其特征在于，提供包含第一化合物的纳米荧光体，其中第一化合物为与Ce 3+和Tb 3+共掺杂的基于氟化物的纳米荧光体。 NaGd1-pq-rMrF4：Ce3 + p，Tb3 + q（1）在式1中，关于p，q，r和M的描述与本发明的详细描述中所描述的相反，因此具体描述 被省略。 纳米荧光体具有良好的发光强度和磁特性以及能够通过红外线和/或紫外线激发后能够发出可见光的上转换和/或下变换特性，因此可以应用于造影剂和防伪 码。