SHS of Eu2+-doped β-SiAlON phosphors: Impacts of N2 pressure and Si particle size
SHS of Eu2+-doped β-SiAlON phosphors: Impacts of N2 pressure and Si particle size
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Eu2 掺杂β-SiAlON 荧光粉的SHS：N2 压力和Si 颗粒尺寸的影响
DOI：
10.1016/j.ceramint.2016.12.095
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发表时间：
2017-04
影响因子：
5.2
通讯作者：
Jie Zhang
中科院分区：
文献类型：
--
作者：
Qi Wang;Yiyao Ge;Ying Chen;Siyuan Sun;Zhaobo Tian;Jie Zhang
自蔓延高温合成（SHS）法是一种高效制备Eu掺杂β-SiAlON绿色荧光粉的方法。合成产物的成分为Si5.5Al0.5O0.5N7.5：0.035Eu2+，具有较高的相纯度、较好的均匀性和等轴晶形貌。在紫外光或蓝光激发下，获得了覆盖450-650 nm范围的强绿色光发射光谱。系统地研究了反应体系中氮气压力和反应物平均粒径这两个最重要的参数对SHS反应的影响。实验结果表明，这两个因素对荧光粉的物相组成、显微结构和发光性能有显著影响。在β-SiAlON：Eu ~（2+）荧光粉的SHS合成中，选择4 MPa的N_2气压和采用细粒度的Si反应物，可显著提高荧光粉的发光性能。
Self-propagation high-temperature synthesis (SHS) method was developed as a highly-efficient route for the preparation of Eu-doped β-SiAlON green phosphors. The as-synthesized products with composition Si5.5Al0.5O0.5N7.5:0.035Eu2+were featured with high phase purity, good uniformity and equiaxed grain morphology. Strong green light emission spectra covering the range of 450–650 nm were obtained under the excitation of UV or blue light. The impacts of the nitrogen pressure in the reaction system and average particle size of Si reactant, which were two of the most vital parameters in the SHS reaction, were systematically investigated. Based on the experimental results, these two factors were confirmed to have striking influences on the phase composition, microstructure and photoluminescence properties of resultant phosphors. In the SHS for β-SiAlON:Eu2+phosphors, there demonstrated that the selection of N2pressure of 4 MPa and the utilization of Si reactants with fine particle size would bring about remarkable enhancement in the photoluminescence properties.
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影响因子：
5.2
作者：
Yiyao Ge;Ying Chen;Siyuan Sun;Zhaobo Tian;Jie Zhang;Z. Xie
通讯作者：
Yiyao Ge;Ying Chen;Siyuan Sun;Zhaobo Tian;Jie Zhang;Z. Xie
影响因子：
4.6
作者：
Kexin Chen;M. Costa;Heping Zhou;J. Ferreira
通讯作者：
Kexin Chen;M. Costa;Heping Zhou;J. Ferreira
影响因子：
2.3
作者：
Jing Niu;G. Saito;T. Akiyama
通讯作者：
Jing Niu;G. Saito;T. Akiyama
影响因子：
1.7
作者：
B. Jang;J. Park;Joon-soo Kim;S. Han;Hong-Soo Kim;Y. Ahn;S. Yoo
通讯作者：
B. Jang;J. Park;Joon-soo Kim;S. Han;Hong-Soo Kim;Y. Ahn;S. Yoo
影响因子：
5.7
作者：
Huabin Wang;Jiecai Han;S. Du
通讯作者：
Huabin Wang;Jiecai Han;S. Du