Down-shifting and down-conversion emission properties of novel CdO-P_2O_5 invert glasses activated with Pr~(3+) and Pr~(3+)/Yb~(3+) for photonic applications

Romero-Romo W.; Carmona-Tellez S.; Lozada-Morales R.; Soriano-Romero O.; Caldino U.; Alvarez-Ramos M. E.; Zayas Ma E.; Meza-Rocha A. N.

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Down-shifting and down-conversion emission properties of novel CdO-P_2O_5 invert glasses activated with Pr~(3+) and Pr~(3+)/Yb~(3+) for photonic applications

机译：用PR〜（3+）和PR〜（3 +）/ YB〜（3+）激活新型CDO-P_2O_5反转眼镜的新型CDO-P_2O_5反转玻璃的透明和下转换性能进行光子应用

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The down-shifting and down-conversion emission properties of novel CdO-P2O5 invert glasses activated with Pr3+ and Pr3+/Yb3+ were respectively studied. The down-shifting emission spectra of Pr6O11 singly doped glasses upon 443 nm excitation (Pr3+: 3H4 - 3P2), displayed the feature Pr3+ transitions in the visible and near-infrared (NIR) regions, reaching the optimum intensity at 0.7 and 0.3 mol% of Pr6O11, respectively. The emission tonality can be adjusted from the reddish-orange to orange-pink region, depending on the Pr6O11 content. Such fact coupled with the superposition of the blue light excitation might be attractive for white light-emitting diodes (WLEDs) applications. The cross-relaxation processes involved between Pr3+-Pr3+ pairs seem to be mediated by an electric quadrupole-quadrupole interaction, as revealed by the Inokuti-Hirayama model. The emission spectra of the Pr6O11 and Yb2O3 doped glasses upon 443 nm excitation showed, in addition to the Pr3+ related transitions, a band at 977 nm associated with the Yb3+: 2F5/2 - 2F7/2 transition, which gradually grows at expenses of nonradiative energy transfer from Pr3+. This process might lead to a down-conversion (quantum cutting) emission with theoretical quantum efficiencies up to 144%. Analysis complemented by the Inokuti-Hirayama or Dexter model revealed that the non-radiative Pr3+ - Yb3+ energy transfer process arisen from Pr3+: 3P0 and 1D2 levels are most likely dominated by electric dipole-dipole and quadrupole-quadrupole interactions, respectively. The global emission properties suggest that the Pr3+ and Pr3+/Yb3+ activated CdO-P2O5 invert glasses might be interesting for WLEDs and crystalline silicon (c-Si) solar cell applications.

机译：分别研究了用PR3 +和PR3 + / YB3 +激活的新型CDO-P2O5倒剂眼镜的透明和下转换发射性能。在443nm激发（Pr3 +：3h4 - ＆ 3p2）上，Pr6O11的次换热光谱在443 nm激发（Pr3 +：3h4 - ＆ 3p2）上显示出可见光和近红外（NIR）区域的特征PR3 +过渡，达到0.7和0.3的最佳强度莫尔％的PR6O11。根据PR6O11含量，可以从红橙色到橙色粉红色区域调节排放色调。与蓝光激励叠加相结合的这种事实可能对白光二极管（WLED）应用具有吸引力。 PR3 + -PR3 +对之间涉及的交叉放松过程似乎是由电动四极轴 - 四极相互作用的介导的，如Inokuti-Hirayama模型所揭示的那样。除了PR3 +相关的转变之外，PR6O11和YB2O3掺杂眼镜的发射光谱显示在443nm激发中，除了PR3 +相关的转变之外，与YB3 +：2F5 / 2-＆gt相关的977nm处的带。 2F7 / 2过渡，逐渐在PR3 +的非相互能量转移的费用中增长。该过程可能导致下转换（量子切割）发射，具有理论量子效率高达144％。互相 - Hirayama或DEXTER模型补充的分析表明，非辐射PR3 + - ＆ YB3 +能量转移过程从PR3 +：3P0和1D2水平分别由电偶极 - 偶极和四极 - 四极其相互作用。全局排放特性表明PR3 +和PR3 + / YB3 +激活的CDO-P2O5反转眼镜对于WLEDS和晶体硅（C-Si）太阳能电池应用可能是有趣的。

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来源
《Optical Materials》 |2021年第6期|111009.1-111009.10|共10页
作者
Romero-Romo W.; Carmona-Tellez S.; Lozada-Morales R.; Soriano-Romero O.; Caldino U.; Alvarez-Ramos M. E.; Zayas Ma E.; Meza-Rocha A. N.;
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作者单位

Benemerita Univ Autonoma Puebla Postgrad Fis Aplicada Fac Ciencias Fisicomatemat Av San Claudio & Av 18 Sur Puebla Pue 72570 Mexico;

CONACYT Benemerita Univ Autonoma Puebla Postgrad Fis Aplicada Fac Ciencias Fisicomatemat Av 14 & Av San Claudio Puebla Mexico;

Benemerita Univ Autonoma Puebla Postgrad Fis Aplicada Fac Ciencias Fisicomatemat Av San Claudio & Av 18 Sur Puebla Pue 72570 Mexico;

Benemerita Univ Autonoma Puebla Postgrad Fis Aplicada Fac Ciencias Fisicomatemat Av San Claudio & Av 18 Sur Puebla Pue 72570 Mexico;

Univ Autonoma Metropolitana Iztapalapa Dept Fis POB 55-534 Mexico City 09340 DF Mexico;

Univ Sonora UNISON Dept Fis Blvd Luis Encinas & Rosales S-N Hermosillo 83000 Sonora Mexico;

Univ Sonora Dept Invest Fis Edificio 3I Blvd Edificio 5 E Luis Encinas S-N Hermosillo 83000 Sonora Mexico;

CONACYT Benemerita Univ Autonoma Puebla Postgrad Fis Aplicada Fac Ciencias Fisicomatemat Av 14 & Av San Claudio Puebla Mexico;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Down-shifting emission; Down-conversion emission; WLEDs and c-Si solar Cell applications;

机译：下降排放;倒置转换发射;WLED和C-Si太阳能电池应用;

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Down-shifting and down-conversion emission properties of novel CdO-P_2O_5 invert glasses activated with Pr~(3+) and Pr~(3+)/Yb~(3+) for photonic applications

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