Highly Efficient and Thermally Stable Blue-Emitting AlN:Eu2+ Phosphor for Ultraviolet White Light-Emitting Diodes
Highly Efficient and Thermally Stable Blue-Emitting AlN:Eu2+ Phosphor for Ultraviolet White Light-Emitting Diodes
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DOI：
10.1021/jp901327j
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发表时间：
2009-05-28
影响因子：
3.7
通讯作者：
Takeda, Takashi
中科院分区：
文献类型：
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作者：
Inoue, Kazuo;Hirosaki, Naoto;Takeda, Takashi
将AlN、α-Si3N4和Eu2O3的粉末混合物在1.0 MPa N-2气氛下于1500-2050℃烧制4 h，合成了Eu2+激活的AlN荧光粉。研究了烧制样品的相纯度、光致发光特性、热猝灭和量子效率。在低掺杂浓度的 Eu2+ 下形成单一 AlN 纤锌矿相（
An Eu2+-activated AlN phosphor was synthesized by firing the powder mixture of AlN, alpha-Si3N4, and Eu2O3 at 1500-2050 degrees C for 4 h under 1.0 MPa N-2. The phase purity, photoluminescent properties, thermal quenching, and quantum efficiency of the fired samples were investigated. A single AlN wurtzite phase was formed at low doping concentrations of Eu2+ (