A platform for research: civil engineering, architecture and urbanism
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The invention belongs to the technical field of luminescent materials, and discloses structure-adjustable transparent fluorescent ceramic as well as a preparation method and application thereof. The transparent fluorescent ceramic comprises a single MgAl2Si4O12: Eu < 2 + > crystal phase, a single Mg2Al4Si5O18: Eu < 2 + > crystal phase, and at least one of double crystal phases of MgAl2Si4O12: Eu < 2 + > and Mg2Al4Si5O18: Eu < 2 + >. The transparent fluorescent ceramic provided by the invention has the advantages of good stability, good blue light luminescence performance (the quantum efficiency exceeds 88% and even reaches 90%), deep defect levels (for example, 0.73 eV and 0.97 eV), good optical information storage capability and the like, and has long afterglow luminescence characteristic at high temperature, and the afterglow duration is as long as tens of minutes.
本发明属于发光材料技术领域，公开了一种结构可调的透明荧光陶瓷及其制备方法和应用。该透明荧光陶瓷，包括单一MgAl2Si4O12:Eu2+晶相、单一Mg2Al4Si5O18:Eu2+晶相、以及MgAl2Si4O12:Eu2+和Mg2Al4Si5O18:Eu2+双晶相中的至少一种。本发明的透明荧光陶瓷，稳定性好，具有蓝光发光性能好(量子效率超过88％，甚至达到90％)，拥有较深的缺陷能级(例如分别为0.73eV、0.97eV)具有良好的光信息存储能力等优点，并且在高温下有着长余辉发光特性，且余辉时长长达数十分钟。
The invention belongs to the technical field of luminescent materials, and discloses structure-adjustable transparent fluorescent ceramic as well as a preparation method and application thereof. The transparent fluorescent ceramic comprises a single MgAl2Si4O12: Eu < 2 + > crystal phase, a single Mg2Al4Si5O18: Eu < 2 + > crystal phase, and at least one of double crystal phases of MgAl2Si4O12: Eu < 2 + > and Mg2Al4Si5O18: Eu < 2 + >. The transparent fluorescent ceramic provided by the invention has the advantages of good stability, good blue light luminescence performance (the quantum efficiency exceeds 88% and even reaches 90%), deep defect levels (for example, 0.73 eV and 0.97 eV), good optical information storage capability and the like, and has long afterglow luminescence characteristic at high temperature, and the afterglow duration is as long as tens of minutes.
本发明属于发光材料技术领域，公开了一种结构可调的透明荧光陶瓷及其制备方法和应用。该透明荧光陶瓷，包括单一MgAl2Si4O12:Eu2+晶相、单一Mg2Al4Si5O18:Eu2+晶相、以及MgAl2Si4O12:Eu2+和Mg2Al4Si5O18:Eu2+双晶相中的至少一种。本发明的透明荧光陶瓷，稳定性好，具有蓝光发光性能好(量子效率超过88％，甚至达到90％)，拥有较深的缺陷能级(例如分别为0.73eV、0.97eV)具有良好的光信息存储能力等优点，并且在高温下有着长余辉发光特性，且余辉时长长达数十分钟。
Transparent fluorescent ceramic with adjustable structure as well as preparation method and application of transparent fluorescent ceramic
一种结构可调的透明荧光陶瓷及其制备方法和应用
2024-08-06
Patent
Electronic Resource
Chinese
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