ZnS:Mn/PF Nanoparticles : A Novel White-light-emitting Phosphor Material

被引：0
|
作者：
Chen, Kuan-Yu [1 ]
Shen, Pin-Chun [1 ]
Hsueh, Hua-Yi [1 ]
Lin, Ching-Fuh [2 ,3 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Grad Inst Elect Engn, Taipei 10617, Taiwan
[3] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
来源：
2014 IEEE 14TH INTERNATIONAL CONFERENCE ON NANOTECHNOLOGY (IEEE-NANO) | 2014年
关键词：
White LED; Solid-State Lighting; Phosphor; Nanomaterial; Low Color Temperature; EMISSION;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A rare-earth free white light-emitting material is attained by synthesizing ZnXMn1-XS (ZnS:Mn) nanostructures caped with poly (9,9-di-n-hexylfluorenyl-2,7-diyl) (PF). The photoluminescence spectrum of ZnS:Mn/PF nanocomposites shows a narrow band emission peaked at 440 nm and a broad band emission ranging from 500 nm to 650 nm under ultraviolet (UV)-light excitation. The blue light is attributed to the band emission of PF. The Orange-yellowish light is contributed to the T-4(1)-(6)A(1) transition of Mn2+ doped in the ZnS crystals. Additionally, the green light originates from the interfacial states formed between PF and ZnS: Mn. White light is then generated through the combination of the three lights, which can be tuned by manipulating the concentration of ZnS:Mn.
引用
收藏
页码：344 / 346
页数：3
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