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Dysprosium-doped potassium-sodium niobate-based transparent ceramic for white-light LED and preparation method of the dysprosium-doped potassium-sodium niobate-based transparent ceramic
The invention discloses dysprosium-doped potassium-sodium niobate-based transparent ceramic for a white light LED and a preparation method of the dysprosium-doped potassium-sodium niobate-based transparent ceramic; the chemical general formula of the dysprosium-doped potassium-sodium niobate-based transparent ceramic is 0.005 Dy <-> (K0. 5Na0. 5NbO3) <-x > Ba (Sc0. 5Nb0. 5) O3, wherein x=2-10 mol%. According to the invention, rare earth dysprosium ion doped potassium sodium niobate-based ceramic is used, a ceramic green body is prepared through a solid phase method, then sintering molding is carried out, and the white light transparent ceramic with the transmittance reaching 56.81% (900 nm) is obtained. The method is simple in process step, good in repeatability, easy to operate and capable of obtaining the transparent potassium-sodium niobate-based ceramic for the white light LED, and the density of the transparent potassium-sodium niobate-based ceramic is high.
本发明公开了一种白光LED用镝掺杂的铌酸钾钠基透明陶瓷及其制备方法，其化学通式为0.005Dy‑(KNaNbO)‑xBa(ScNb)O，其中，x=2‑10mol%。本发明用稀土镝离子掺杂铌酸钾钠基陶瓷，通过固相法制备陶瓷生坯，然后烧结成型，得到透过率达56.81%(900nm)的白光透明陶瓷。本发明工艺步骤简单，重复性好，易于操作，能得到致密度较高的白光LED用透明铌酸钾钠基陶瓷。
Dysprosium-doped potassium-sodium niobate-based transparent ceramic for white-light LED and preparation method of the dysprosium-doped potassium-sodium niobate-based transparent ceramic
The invention discloses dysprosium-doped potassium-sodium niobate-based transparent ceramic for a white light LED and a preparation method of the dysprosium-doped potassium-sodium niobate-based transparent ceramic; the chemical general formula of the dysprosium-doped potassium-sodium niobate-based transparent ceramic is 0.005 Dy <-> (K0. 5Na0. 5NbO3) <-x > Ba (Sc0. 5Nb0. 5) O3, wherein x=2-10 mol%. According to the invention, rare earth dysprosium ion doped potassium sodium niobate-based ceramic is used, a ceramic green body is prepared through a solid phase method, then sintering molding is carried out, and the white light transparent ceramic with the transmittance reaching 56.81% (900 nm) is obtained. The method is simple in process step, good in repeatability, easy to operate and capable of obtaining the transparent potassium-sodium niobate-based ceramic for the white light LED, and the density of the transparent potassium-sodium niobate-based ceramic is high.
本发明公开了一种白光LED用镝掺杂的铌酸钾钠基透明陶瓷及其制备方法，其化学通式为0.005Dy‑(KNaNbO)‑xBa(ScNb)O，其中，x=2‑10mol%。本发明用稀土镝离子掺杂铌酸钾钠基陶瓷，通过固相法制备陶瓷生坯，然后烧结成型，得到透过率达56.81%(900nm)的白光透明陶瓷。本发明工艺步骤简单，重复性好，易于操作，能得到致密度较高的白光LED用透明铌酸钾钠基陶瓷。
Dysprosium-doped potassium-sodium niobate-based transparent ceramic for white-light LED and preparation method of the dysprosium-doped potassium-sodium niobate-based transparent ceramic
一种白光LED用镝掺杂的铌酸钾钠基透明陶瓷及其制备方法
LIN CONG (Autor:in) / WANG HUAJING (Autor:in) / DAI LE (Autor:in) / WU XIAO (Autor:in) / LIN TENGFEI (Autor:in)
05.05.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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