High color purity red-emission of NaGdTiO_4:Pr~(3+) via quenching of ~3P_0 emission under low-voltage cathode ray excitation

Su Zhang; Hongbin Liang; Chunmeng Liu; Zeming Qi; Tao Shao; Yuyin Wang

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High color purity red-emission of NaGdTiO_4:Pr~(3+) via quenching of ~3P_0 emission under low-voltage cathode ray excitation

机译：NaGdTiO_4：Pr〜（3+）在低压阴极射线激发下通过淬灭〜3P_0发出的高色纯度红光

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A high color purity red emission is obtained in Pr~(3+) activated NaGdTiO_4 (NGTP) materials. The International Commission on Illumination (CIE) chromaticity coordinates are calculated to be 0.663, 0.337, which are very close to the National Television System Committee (NTSC) red color 0.67, 0.34. The good color coordinates are due to intensive quenching of ~3P_0 - ~3H_4 emissions through the metal-to-metal intervalence charge transfer. Interestingly, the high color purity red emitting is observed not only under UV light excitation but also under low-voltage cathode ray excitation. The results indicate that NGTP may have a potential application in field emission displays.

机译：在Pr〜（3+）活化的NaGdTiO_4（NGTP）材料中获得了高色纯度的红色发光。计算得出国际照明委员会（CIE）色度坐标为0.663，0.337，非常接近国家电视系统委员会（NTSC）红色0.67，0.34。良好的颜色坐标归因于通过金属间间隔电荷转移对〜3P_0-〜3H_4发射进行的强烈淬灭。有趣的是，不仅在紫外光激发下，而且在低压阴极射线激发下也观察到高色纯度的红色发光。结果表明，NGTP可能在场发射显示器中具有潜在的应用。

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《Optics Letters》 |2013年第5期|共3页
作者
Su Zhang; Hongbin Liang; Chunmeng Liu; Zeming Qi; Tao Shao; Yuyin Wang;
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1. High color purity red-emission of NaGdTiO_4:Pr~(3+) via quenching of ~3P_0 emission under low-voltage cathode ray excitation [J] . Su Zhang, Hongbin Liang, Chunmeng Liu, Optics Letters . 2013,第5期

机译：NaGdTiO_4：Pr〜（3+）在低压阴极射线激发下通过淬灭〜3P_0发出的高色纯度红光
2. A high color purity red-emission phosphor based on Sm~(3 +) and Eu~(3 +) co-doped Ba_3Bi(PO_4)_3 [J] . Materials Research Bulletin . 2020,第Juna期

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3. Simultaneous improvement in emission intensity and spectral purity of red photon upconversion in Gd_2O_3:Yb~(3+)/Er~(3+) phosphors under 1550 nm excitation [J] . Tao Pang Applied Physics . 2020,第9期

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5. Fabrication, characterization and integration of carbon nanotube cathodes for field emission X-ray source. [D] . Calderon-Colon, Xiomara. 2009

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8. Color television systems using a single gun color cathode ray tube Patent [R] . Gaiser, E. E., Hillborn, E. H. 1971

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High color purity red-emission of NaGdTiO_4:Pr~(3+) via quenching of ~3P_0 emission under low-voltage cathode ray excitation

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