Blue to magenta tunable luminescence from LaGaO3: Bi3+, Cr3+ doped phosphors for field emission display applications

Kamal Ch. Satya; Rao T. K. Visweswara; Samuel T.; Reddy P. V. S. S. S. N.; Jasinski Jacek B.; Ramakrishna Y.; Rao M. C.; Rao K. Ramachandra

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Blue to magenta tunable luminescence from LaGaO3: Bi3+, Cr3+ doped phosphors for field emission display applications

机译：来自Lagao3：Bi3 +，CR3 +掺杂磷光体的蓝色到洋红色可调发光，用于场发射显示应用

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A series of blue to magenta emitting color-tunable LaGaO3: Bi3+/Cr3+ phosphors were prepared by chemical routes, and their phase structure, morphology and photoluminescence (PL) properties were investigated in detail. Luminescence studies indicated that the optimum concentrations of Bi3+ and Cr3+ in LaGaO3 were found to be 1 at% and 3 at%. Co- doping with Bi3+ ions resulted in increased Cr3+ emission intensity and gradual reduction in Bi3+ emission intensity, confirming the presence of a Bi3+Cr3+ energy transfer. The energy transfer (ET) mechanism from the host lattice to the Bi3+ and Cr3+ ions in the LaGaO3: Bi3+/Cr3+ phosphor has been explained. The ET efficiency has been calculated and found to be 55%. The critical ET distance has been calculated by the concentration-quenching method. The enhanced intensity and tuned luminous color of LaGaO3: Bi3+/Cr3+ phosphors provided a promising material for field emission display devices.

机译：通过化学途径制备了一系列蓝色洋红色洋红色洋红色洋红色，并通过化学途径制备了Bi3 + / Cr3 +磷光体，并详细研究了它们的相结构，形态和光致发光（PL）性质。发光研究表明，Lagao3中的Bi3 +和Cr3 +的最佳浓度为1at％，3at％。与Bi3 +离子的共同掺杂导致CR3 +发射强度和Bi3 +发射强度的逐渐降低升高，确认存在BI3 + Cr3 +能量转移。已经解释了来自宿主晶格的能量转移（ET）机理到LAGAO3：BI3 + / CR3 +磷光体中的Bi3 +和Cr3 +离子。 ET效率已经计算并发现为55％。通过浓缩淬火方法计算临界ET距离。 Lagao3的增强强度和调谐发光颜色：Bi3 + / Cr3 +磷光体为场发射显示装置提供了有希望的材料。

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《RSC Advances》 |2017年第71期|共8页
作者
Kamal Ch. Satya; Rao T. K. Visweswara; Samuel T.; Reddy P. V. S. S. S. N.; Jasinski Jacek B.; Ramakrishna Y.; Rao M. C.; Rao K. Ramachandra;
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作者单位

Govt Coll A Dept Phys Crystal Growth &

Nanosci Res Ctr Rajamahendravaram 533105 Andhra Prades India;

Govt Coll A Dept Phys Crystal Growth &

Nanosci Res Ctr Rajamahendravaram 533105 Andhra Prades India;

Govt Coll A Dept Phys Crystal Growth &

Nanosci Res Ctr Rajamahendravaram 533105 Andhra Prades India;

Govt Coll A Dept Phys Crystal Growth &

Nanosci Res Ctr Rajamahendravaram 533105 Andhra Prades India;

Univ Louisville Conn Ctr Renewable Energy Res Louisville KY 40292 USA;

Andhra Univ Dept Engn Phys Visakhapatnam Andhra Prades India;

Andhra Layola Coll Dept Phys Vijayawada AP India;

Govt Coll A Dept Phys Crystal Growth &

Nanosci Res Ctr Rajamahendravaram 533105 Andhra Prades India;

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中图分类化学;
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1. Blue to magenta tunable luminescence from LaGaO3: Bi3+, Cr3+ doped phosphors for field emission display applications [J] . Kamal Ch. Satya, Rao T. K. Visweswara, Samuel T., RSC Advances . 2017,第71期

机译：来自Lagao3：Bi3 +，CR3 +掺杂磷光体的蓝色到洋红色可调发光，用于场发射显示应用
2. Bi3+ and Mn4+ co-doped La2MgGeO6 blue-red tunable emission phosphors based on energy transfer for agricultural applications [J] . Chen Yihao, Wang Qiang, Mu Zhongfei, Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2019,第期

机译：Bi3 +和MN4 +共掺杂La2mgGeO6基于农业应用的能源转移的蓝红色可调发射磷光体
3. Bi3+ and Mn4+ co-doped La2MgGeO6 blue-red tunable emission phosphors based on energy transfer for agricultural applications [J] . Chen Yihao, Wang Qiang, Mu Zhongfei, Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2019,第期

机译：Bi3 +和MN4 +共掺杂La2mgGeO6基于农业应用的能源转移的蓝红色可调发射磷光体
4. Rare-Earth Doped Nanocrystalline Phosphors for Field Emission Display Application [C] . International Students and Young Scientists Workshop Photonics and Microsystems . 2006

机译：稀土掺杂纳米晶体磷光体用于场发射显示应用
5. Modeling on the cathodoluminescence properties of the thin film phosphors for field emission flat panel displays. [D] . Cho, Kyu-Gong. 2000

机译：对用于场发射平板显示器的薄膜磷光体的阴极发光性质进行建模。
6. Dual-Mode Manipulating Multicenter Photoluminescence in a Single-Phased Ba9Lu2Si6O24:Bi3+ Eu3+ Phosphor to Realize White Light/Tunable Emissions [O] . Yue Guo, Sung Heum Park, Byung Chun Choi, -1

机译：单相Ba9Lu2Si6O24：Bi3 +Eu3 +荧光粉中的双模式操纵多中心光致发光可实现白光/可调谐发射。
7. Blue to magenta tunable luminescence from LaGaO3: Bi3+, Cr3+ doped phosphors for field emission display applications [O] . Ch. Satya Kamal, T. K. Visweswara Rao, T. Samuel, 2017

机译：来自Lagao3：Bi3 +，CR3 +掺杂磷光体的蓝色到洋红色可调发光，用于场发射显示应用

Blue to magenta tunable luminescence from LaGaO3: Bi3+, Cr3+ doped phosphors for field emission display applications

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